Page last updated: 2024-10-30

letrozole and Pregnancy

letrozole has been researched along with Pregnancy in 365 studies

Pregnancy: The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH.

Research Excerpts

ExcerptRelevanceReference
"To evaluate the efficacy of combination treatment of letrozole and clomiphene citrate (CC) in comparison to that of letrozole alone to induce ovulation in infertile women with polycystic ovary syndrome (PCOS)."9.69A triple-blind, randomized controlled trial, comparing combined letrozole and clomiphene versus only letrozole for ovulation induction in women with polycystic ovarian syndrome. ( Hota, S; Kalidoss, VK; Panda, SR; Sharmila, V, 2023)
" In total, 1078 women with PCOS will be randomised (1:1) to the letrozole-stimulated or HRT group in their first FET cycle and their pregnancy and perinatal outcomes during this cycle will be followed up and analysed."9.69Live birth after letrozole-stimulated cycles versus hormone replacement treatment cycles for the first frozen embryo transfer in women with polycystic ovary syndrome: protocol for a multicentre randomised controlled trial. ( Deng, B; Feng, YR; Gong, F; Li, Y; Lin, G; Ma, Y; Wang, X; Wu, Y; Zhang, C; Zhang, S, 2023)
"We conducted a prospective randomised controlled trial to explore the efficacy of clomiphene citrate (CC) and Letrozole (LTZ) for improving fecundity in infertile women with minimal to mild endometriosis after operative laparoscopy."9.51Ovulation induction with clomiphene citrate or letrozole following laparoscopy in infertile women with minimal to mild endometriosis: a prospective randomised controlled trial. ( Chen, H; Fu, J; Huang, W; Liu, D; Wang, Q; Yang, S; Zhou, L, 2022)
"To estimate the effect of letrozole and clomiphene citrate in women with infertility and polycystic ovarian syndrome (PCOS)."9.41Letrozole Compared With Clomiphene Citrate for Polycystic Ovarian Syndrome: A Systematic Review and Meta-analysis. ( Geng, Y; Hu, R; Huang, Y; Li, F; Liu, Z; Song, Y; Zhang, M, 2023)
"To compare the efficacy of letrozole and clomiphene citrate (CC) for ovulation induction in infertile women with polycystic ovarian syndrome (PCOS)."9.41Letrozole versus clomiphene citrate for ovulation induction in anovulatory women with polycystic ovarian syndrome: A randomized controlled trial. ( Bansal, S; Goyal, M; Sharma, C; Shekhar, S, 2021)
"To study the feasibility of a randomized controlled trial (RCT) comparing intrauterine insemination (IUI) with and without letrozole in couples with unexplained or mild male factor infertility STUDY DESIGN: We performed a randomized pilot study including 100 couples with unexplained or mild male factor infertility in the Reproductive Medicine Centre of Peking University Third Hospital in China."9.41Intrauterine insemination (IUI) with or without letrozole for unexplained or mild male factor infertility: A randomized pilot study. ( Huang, S; Li, N; Li, R; Luo, L; Mol, BWJ; Norman, RJ; Qiao, J; Wang, H; Wang, L; Wang, R; Yan, H, 2021)
"To compare the effects of letrozole and human menopausal gonadotropin (HMG) in the treatment of patients with polycystic ovary syndrome (PCOS) resistant to clomiphene citrate (CC)."9.34Letrozole and human menopausal gonadotropin for ovulation induction in clomiphene resistance polycystic ovary syndrome patients: A randomized controlled study. ( Chen, L; Hong, T; Huang, X; Jiang, F; Shi, S; Zhuang, Y, 2020)
" We have designed a multicenter randomized controlled trial (RCT) to evaluate whether personalized or fixed acupuncture increases the likelihood of live births in infertile women with polycystic ovary syndrome (PCOS) compared with letrozole or placebo letrozole."9.34A multicenter randomized trial of personalized acupuncture, fixed acupuncture, letrozole, and placebo letrozole on live birth in infertile women with polycystic ovary syndrome. ( Gao, X; Hu, M; Hu, R; Hu, Z; Huang, S; Lai, M; Li, J; Li, S; Liang, X; Liu, J; Ma, H; Ng, EHY; Qiao, J; Quan, K; Shang, H; Stener-Victorin, E; Wang, C; Wang, X; Wen, Q; Wen, X; Xia, T; Zheng, Y, 2020)
"Considering that clinical trial studies are limited in polycystic ovary syndrome (PCOS) patients, and there is no consensus on an optimum endometrial preparation protocol for frozen embryo transfer (FET), the present study was designed as a randomized clinical trial to compare the reproductive outcomes following stimulated cycles with letrozole plus human menopausal gonadotropin (HMG) for endometrial preparation compared with routine AC-FET."9.34The effect of letrozole versus artificial hormonal endometrial preparation on pregnancy outcome after frozen-thawed embryos transfer cycles: a randomized clinical trial. ( Farid Mojtahedi, M; Hosseini-Najarkolaee, E; Hosseini-Najarkolaei, A; Kashani, L; Moini, A; Salehi, E, 2020)
"To evaluate whether a combination of letrozole and clomiphene citrate (CC) results in higher ovulation rates than letrozole alone in infertile women with polycystic ovary syndrome (PCOS)."9.30A randomized controlled trial of combination letrozole and clomiphene citrate or letrozole alone for ovulation induction in women with polycystic ovary syndrome. ( Kresowik, JD; Mejia, RB; Summers, KM; Van Voorhis, BJ, 2019)
"The purpose is a comparison of effectiveness of myo-inositol and metformin in infertile women with polycystic ovary syndrome (PCOS) treated with letrozole."9.30The effectiveness of inositol and metformin on infertile polycystic ovary syndrome women with resistant to letrozole. ( Bazarganipour, F; Kutenaee, MA; Pourghasem, S; Taghavi, SA, 2019)
"A total of 202 patients with clomiphene citrate (CC) -resistant polycystic ovary syndrome (PCOS) were randomly allocated into two arms of induction of ovulation; the first group (n = 102) received CC 100 mg and metformin 500 mg while the second group (n = 100) received letrozole 2."9.27Clomiphene citrate combined with metformin versus letrozole for induction of ovulation in clomiphene-resistant polycystic ovary syndrome: a randomized clinical trial. ( Rezk, M; Saif El-Nasr, I; Shaheen, AE, 2018)
"To compare the therapeutic efficacy of clomiphene citrate (CC) and letrozole (LE) on ovulation, pregnancy, and live birth in women with polycystic ovary syndrome (PCOS); and to ensure if LE can replace CC as the first-line therapy for ovulation induction in these women."9.24Comparison of clomiphene citrate and letrozole for ovulation induction in women with polycystic ovary syndrome: a prospective randomized trial. ( Feng, G; Fu, J; Huang, W; Liu, C; Liu, D; Tan, J; Wang, Q; Yang, S, 2017)
"We aimed to compare the cost effectiveness of letrozole versus purified urinary follicle stimulating hormone (FSH) in treating patients with clomiphene citrate (CC)-resistant polycystic ovary syndrome (PCOS)."9.24Cost effectiveness of letrozole and purified urinary FSH in treating women with clomiphene citrate-resistant polycystic ovarian syndrome: a randomized controlled trial. ( Hassan, A; Shehata, N; Wahba, A, 2017)
"Letrozole appears to improve live birth rates and pregnancy rates in infertile women with anovulatory PCOS, compared to SERMs, when used for ovulation induction, followed by intercourse."9.22Aromatase inhibitors (letrozole) for ovulation induction in infertile women with polycystic ovary syndrome. ( Farquhar, C; Franik, S; Kiesel, L; Kremer, JA; Le, QK, 2022)
"To investigate the optimal ovulation induction with the combination of combining letrozole(LE),clomiphene citrate (CC),and human menopausal gonadotropin (HMG) in polycystic ovary syndrome(PCOS) patients resistant to CC or LE."9.22[Optimal Ovulation Induction in Polycystic Ovary Syndrome Resistant to Clomiphene Citrate or Letrozole.] ( Chen, Y; Zhang, D, 2016)
"To evaluate the effects of letrozole and cabergoline in a rat model of ovarian hyperstimulation syndrome (OHSS)."9.22Comparison of the effects of letrozole and cabergoline on vascular permeability, ovarian diameter, ovarian tissue VEGF levels, and blood PEDF levels, in a rat model of ovarian hyperstimulation syndrome. ( Apaydın, N; Cengiz, H; Eskicioğlu, F; Genç, M; Şahin, N; Sivrikoz, ON; Töz, E; Turan, GA, 2016)
"To study whether a combination of berberine and letrozole results in higher live births than letrozole alone in infertile women with polycystic ovary syndrome (PCOS)."9.22Randomized controlled trial of letrozole, berberine, or a combination for infertility in the polycystic ovary syndrome. ( Liang, RN; Liu, JP; Ma, HX; Ng, EH; Shao, XG; Wang, YY; Wu, XK; Xue, HY, 2016)
"Clomiphene is the current first-line infertility treatment in women with the polycystic ovary syndrome, but aromatase inhibitors, including letrozole, might result in better pregnancy outcomes."9.19Letrozole versus clomiphene for infertility in the polycystic ovary syndrome. ( Alvero, R; Baker, V; Barnhart, KT; Bates, GW; Brzyski, RG; Casson, P; Christman, GM; Coutifaris, C; Diamond, MP; Eisenberg, E; Haisenleder, DJ; Huang, H; Krawetz, SA; Legro, RS; Lucidi, S; Ohl, D; Santoro, N; Schlaff, WD; Snyder, P; Trussell, JC; Usadi, R; Yan, Q; Zhang, H, 2014)
"The aim of the present study was to investigate the clinical value of low‑dose aspirin in combination with Tiao Jing Cu Yun pills in patients with polycystic ovary syndrome (PCOS) by measuring follicular peripheral blood flow parameters and the clinical efficacy."9.19Effects of combining low‑dose aspirin with a Chinese patent medicine on follicular blood flow and pregnancy outcome. ( Du, B; Jiang, X; Ma, M; Shi, L; Zhang, Q; Zhao, Y; Zhou, L, 2014)
"The expression of estrogen receptor-α (ERα) and progesterone receptor (PR) transcripts, as well as ERα protein, in placentae was suppressed by letrozole pretreatment in second trimester termination of pregnancy."9.17The effect of letrozole with misoprostol for medical termination of pregnancy on the expression of steroid receptors in the placenta. ( Gao, J; Ho, PC; Lee, KF; Lee, VC; Ng, EH; Yeung, WS, 2013)
" In this study, we used a combination of letrozole and clomiphene in patients resistant to both drugs individually, and studied the effects of this combination in ovulation and pregnancy in resistant PCOS patients."9.17Combined letrozole and clomiphene versus letrozole and clomiphene alone in infertile patients with polycystic ovary syndrome. ( Dehghan, M; Ghasemi-Rad, M; Hajishafiha, M; Kiarang, N; Sadegh-Asadi, N; Shayegh, SN, 2013)
"To compare the hormonal-metabolic profiles and reproductive outcomes between women receiving metformin plus letrozole and women undergoing bilateral ovarian drilling in clomiphene citrate (CC)-resistant women with polycystic ovary syndrome (PCOS)."9.17Efficacy of combined metformin-letrozole in comparison with bilateral ovarian drilling in clomiphene-resistant infertile women with polycystic ovarian syndrome. ( Abd Elgafor, I, 2013)
"The objective of this study was to compare the efficacy of letrozole versus clomiphene citrate as an ovulation induction drug in polycystic ovarian syndrome (PCOS) patients of Indian origin."9.16Comparison of efficacy of letrozole and clomiphene citrate in ovulation induction in Indian women with polycystic ovarian syndrome. ( Banerjee Ray, P; Chakraborti, PS; Ray, A, 2012)
"To evaluate pregnancy rates with letrozole and clomiphene citrate (CC) alone for superovulation in an intrauterine insemination program for women with recently surgically treated minimal to mild endometriosis."9.16Randomized comparison of superovulation with letrozole vs. clomiphene citrate in an IUI program for women with recently surgically treated minimal to mild endometriosis. ( Abd Elaal, I; Abu Hashim, H; El Rakhawy, M, 2012)
"We previously demonstrated that a sequential regimen of letrozole and misoprostol resulted in a marked reduction in the serum estradiol concentration and in a higher efficacy of first-trimester termination of pregnancy than misoprostol alone."9.16Effect of letrozole on uterine artery Doppler flow indices prior to first-trimester termination of pregnancy: a randomized controlled trial. ( Ho, PC; Lee, VC; Ng, EH; Tang, OS; Yeung, TW; Yeung, WS, 2012)
"Our previous randomized controlled study showed that the complete abortion rate in termination of pregnancy up to 63 days with the combined use of letrozole for 3 days followed by vaginal misoprostol was significantly higher than that of misoprostol alone."9.16A pilot study on the use of a 7-day course of letrozole followed by misoprostol for the termination of early pregnancy up to 63 days. ( Ho, PC; Lee, VC; Ng, EH; Yeung, TW, 2012)
"To compare the role of an aromatase inhibitor (letrozole) with a GnRH agonist (triptorelin) versus case control on the pregnancy rate and recurrence of symptoms and signs in patients with endometriosis."9.15A comparison of the effect of short-term aromatase inhibitor (letrozole) and GnRH agonist (triptorelin) versus case control on pregnancy rate and symptom and sign recurrence after laparoscopic treatment of endometriosis. ( Alborzi, M; Alborzi, S; Dehbashi, S; Hamedi, B; Omidvar, A, 2011)
" We performed two pilot studies to assess the feasibility of using letrozole in combination with either mifepristone or misoprostol for termination of pregnancy up to 63 days."9.15A pilot study on the use of letrozole with either misoprostol or mifepristone for termination of pregnancy up to 63 days. ( Ho, PC; Lee, VC; Ng, EH; Tang, OS; Yeung, WS, 2011)
"To compare the success rate and side effects of letrozole and misoprostol versus misoprostol alone for medical termination of early pregnancy."9.15Misoprostol with or without letrozole pretreatment for termination of pregnancy: a randomized controlled trial. ( Ho, PC; Lee, VCY; Ng, EHY; Yeung, WSB, 2011)
"To compare the clinical outcomes of letrozole and laparoscopic ovarian drilling (LOD) in patients with clomiphene-citrate-resistant polycystic ovary syndrome (PCOS)."9.15Reproductive outcome after letrozole versus laparoscopic ovarian drilling for clomiphene-resistant polycystic ovary syndrome. ( Abdellah, MS, 2011)
"To evaluate the outcome of long letrozole therapy for induction of ovulation in patients with clomiphene-resistant polycystic ovary syndrome (PCOS)."9.14Extended letrozole therapy for ovulation induction in clomiphene-resistant women with polycystic ovary syndrome: a novel protocol. ( Badawy, A; Eid, M; Mosbah, A; Tharwat, A, 2009)
"To compare the effect of letrozole with laparoscopic ovarian diathermy (LOD) for ovulation induction in clomiphene citrate (CC) resistant women with polycystic ovary syndrome (PCOS)."9.14Letrozole versus laparoscopic ovarian diathermy for ovulation induction in clomiphene-resistant women with polycystic ovary syndrome: a randomized controlled trial. ( Abu Hashim, H; Badawy, A; Mashaly, AM, 2010)
"Meta-analysis was used to evaluate the efficacy and safety of aspirin combined with letrozole in the treatment of polycystic ovary syndrome (PCOS)."9.12Effectiveness and safety of aspirin combined with letrozole in the treatment of polycystic ovary syndrome: a systematic review and meta-analysis. ( Su, F; Wang, M; Wang, Z; Yu, Q, 2021)
"The objective of this systematic review was to examine the literature and to compare the effectiveness of letrozole (LE) versus laparoscopic ovarian drilling (LOD) for the induction of ovulation in women with clomiphene citrate (CC)-resistant polycystic ovary syndrome (PCOS)."9.01Letrozole versus laparoscopic ovarian drilling in clomiphene citrate-resistant women with polycystic ovary syndrome: a systematic review and meta-analysis of randomized controlled trials. ( Cheng, G; Hu, S; Wang, Y; Xia, W; Yu, Q; Zhu, C, 2019)
"The purpose of this systematic review was to evaluate the efficacy of pretreatment with letrozole prior to either a first- or second-trimester medical termination of pregnancy."8.98Letrozole pretreatment prior to medical termination of pregnancy: a systematic review. ( Murphy, KE; Nash, CM; Philp, L; Shah, P, 2018)
"Letrozole appears to improve live birth and pregnancy rates in subfertile women with anovulatory polycystic ovary syndrome, compared to clomiphene citrate."8.98Aromatase inhibitors (letrozole) for subfertile women with polycystic ovary syndrome. ( Eltrop, SM; Farquhar, C; Franik, S; Kiesel, L; Kremer, JA, 2018)
"The objective of the present systematic review and meta-analysis was to examine the literature and to identify the results of randomized controlled trials (RCTs) comparing the use of letrozole to clomiphene citrate (CC) for ovulation induction in patients with polycystic ovary syndrome (PCOS)."8.91Letrozole versus clomiphene citrate in polycystic ovary syndrome: systematic review and meta-analysis. ( Geber, S; Roque, M; Sampaio, M; Tostes, AC; Valle, M, 2015)
"Metformin, an insulin-sensitizing drug commonly used to treat Type 2 Diabetes Mellitus (T2DM), has been increasingly used off-label for the treatment of polycystic ovary syndrome (PCOS), which affects at least 5-10% of reproductive- age women."8.90The utility of metformin therapy in reproductive-aged women with polycystic ovary syndrome (PCOS). ( Nathan, N; Sullivan, SD, 2014)
"To assess the effects of tamoxifen or letrozole, in addition to standard COS protocols, on the breast cancer-free interval in premenopausal women with ER positive breast cancer who undergo COS for embryo or oocyte cryopreservation."8.89Tamoxifen or letrozole versus standard methods for women with estrogen-receptor positive breast cancer undergoing oocyte or embryo cryopreservation in assisted reproduction. ( Balkenende, E; Dahhan, T; Goddijn, M; Linn, S; van Wely, M, 2013)
"The aim of this study was to systematically compare the clinical efficacy and safety of letrozole with clomiphene citrate for ovulation induction in women with polycystic ovary syndrome (PCOS)."8.87Meta-analysis of letrozole versus clomiphene citrate in polycystic ovary syndrome. ( He, D; Jiang, F, 2011)
"To evaluate whether extending letrozole (LE) treatment duration could induce ovulation in women with polycystic ovary syndrome (PCOS) who previously failed to ovulate after a 5-day regimen of 5 mg LE daily for at least 1 ovulation induction cycle, defined as "LE resistance"."8.31Extending letrozole treatment duration is effective in inducing ovulation in women with polycystic ovary syndrome and letrozole resistance. ( Fu, Y; Zhu, X, 2023)
"No studies have been conducted on the impact of different types of ovulatory dysfunction on the outcomes of frozen-thawed embryo transfers (FETs) in a letrozole-stimulated cycle in women with polycystic ovarian syndrome (PCOS)."8.31Comparison of pregnancy outcomes of letrozole-induced frozen-thawed embryo transfer cycles in PCOS women with two different abnormal ovulation patterns: A retrospective cohort study. ( Cao, JX; Hou, JW; Jiang, WJ; Song, JY; Sun, ZG; Wang, DD; Yan, MH, 2023)
"To investigate the pregnancy and neonatal outcomes of letrozole-stimulated frozen embryo transfer (LTZ-FET) cycles compared with natural FET cycles (NC-FET)."8.31Pregnancy and neonatal outcomes of letrozole versus natural cycle frozen embryo transfer of autologous euploid blastocyst. ( Aghajanova, L; Bavan, B; Beshar, IE; Gardner, RM; Johal, JK; Lathi, RB; Milki, AA; Zhang, WY, 2023)
"To assess efficacy of adjuvant dexamethasone during letrozole cycles for ovulation induction (OI) in women with letrozole-resistant polycystic ovary syndrome (PCOS)."8.31Ovulation induction with letrozole and dexamethasone in infertile patients with letrozole-resistant polycystic ovary syndrome. ( Babayev, SN; Baumgarten, SC; Neblett, MF; Shenoy, CC, 2023)
" This study was performed to explore the relationship between follicle size, endometrial thickness, and types of ovarian stimulation (Clomiphene citrate/CC vs Letrozole) with biochemical pregnancy rate in women undergone IUI."8.31Association between follicle size, endometrial thickness, and types of ovarian stimulation (Clomiphene citrate and Letrozole) with biochemical pregnancy rate in women undergone intrauterine insemination. ( Krisnadi, SR; Nugrahani, AD; Rachmawati, A; Santoso, SA, 2023)
" Previous studies have shown that administration of letrozole, a non-steroidal aromatase inhibitor for cancer treatment, increased the clinical pregnancy rate in women with endometriosis, but the mechanisms remain to be determined."8.12Letrozole promotes the expression of integrin αvβ3 and HOXA10 in endometrium of endometriosis. ( Li, C; Li, M; Li, R; Wang, L; Zhang, H; Zhang, J, 2022)
"To evaluate and compare pregnancy outcomes between letrozole ovulation induction, natural, and programmed frozen-thawed embryo transfer (FET) cycles in a population based in the United States."8.12Pregnancy outcomes after frozen-thawed embryo transfer using letrozole ovulation induction, natural, or programmed cycles. ( Bartolucci, A; Benadiva, C; Engmann, L; Godiwala, P; Grady, J; Grow, D; Makhijani, R; Nulsen, J, 2022)
"To evaluate the efficacy and safety of gonadotropin-releasing hormone agonist (GnRHa) combined with a levonorgestrel-releasing intrauterine device (LNG-IUD) or aromatase inhibitor (letrozole) in women with endometrial carcinoma or atypical endometrial hyperplasia who wished to preserve fertility."8.12Oncological and reproductive outcomes for gonadotropin-releasing hormone agonist combined with aromatase inhibitors or levonorgestrel-releasing intra-uterine system in women with endometrial cancer or atypical endometrial hyperplasia. ( Cao, D; Chen, J; Cheng, N; Peng, P; Shen, K; Wang, J; Yang, J; Yu, M; Zhang, Y; Zhou, H, 2022)
"To investigate the efficacy of oral letrozole (LE) starting on day 3 or 5 of the menstrual cycle in patients with polycystic ovary syndrome (PCOS)."8.12Effect of different timing of letrozole initiation on pregnancy outcome in polycystic ovary syndrome. ( Chen, Y; Gao, M; Jin, X; Shi, L; Ye, S; Zhang, Z, 2022)
"This study aimed to investigate the impact of letrozole use during frozen embryo transfer cycles on obstetrical and perinatal outcomes of singleton and twin pregnancies compared with artificial frozen cycles among women with polycystic ovary syndrome."8.02Letrozole-induced frozen embryo transfer cycles are associated with a lower risk of hypertensive disorders of pregnancy among women with polycystic ovary syndrome. ( Bian, X; Mao, X; Wang, B; Wei, M; Wu, L; Zhang, J; Zhang, S, 2021)
"We sought to compare the efficacy of the letrozole (LTZ) stair-step protocol with clomiphene citrate (CC) stair-step protocol in the management of 150 mg dose of CC-resistant polycystic ovary syndrome (PCOS) patients."8.02Comparison of the efficacy of letrozole stair-step protocol with clomiphene citrate stair-step protocol in the management of clomiphene citrate-resistant polycystic ovary syndrome patients. ( Oğlak, SC; Sakar, MN, 2021)
"Children of women with polycystic ovary syndrome who conceived with letrozole (LTZ) or clomiphene (CC) in the PPCOS II study or women with unexplained infertility (AMIGOS study) who conceived with LTZ, CC, or gonadotropin (GN)."7.96Pregnancy registry: three-year follow-up of children conceived from letrozole, clomiphene, or gonadotropins. ( Alvero, R; Baker, V; Barnhart, KT; Casson, P; Cedars, MI; Christman, GM; Coutifaris, C; Coward, RM; Diamond, MP; Dodson, WC; Eisenberg, E; Estes, SJ; Hansen, KR; Huang, H; Krawetz, SA; Kunselman, A; Legro, RS; Robinson, R; Rosen, RM; Santoro, N; Schlaff, WD; Stetter, C; Trussell, JC; Usadi, R; Zhang, H, 2020)
"To study the use of the aromatase inhibitor letrozole for treatment of ectopic pregnancy compared with methotrexate."7.96Aromatase inhibitor letrozole: a novel treatment for ectopic pregnancy. ( Abdalla, KA; Abdalla, NK; Hassanin, KMA; Hozayen, WG; Mitwally, MF, 2020)
" This study aimed to investigate the clinical effect of letrozole use or hMG stimulation on pregnancy and neonatal outcomes in ovulatory patients undergoing FET."7.91Pregnancy And Neonatal Outcomes Of hMG Stimulation With Or Without Letrozole In Endometrial Preparation For Frozen-Thawed Embryo Transfer In Ovulatory Women: A Large Retrospective Cohort Study. ( Cai, R; Fan, Y; Huang, J; Kuang, Y; Lin, J; Wang, N; Wang, Y, 2019)
"To investigate whether live birth rate (LBR) following frozen-thawed embryo transfer in letrozole-stimulated cycles (L-FET) differs from LBR after artificial-cycle frozen-thawed embryos transfers (AC-FET) in women with polycystic ovary syndrome (PCOS)."7.91Letrozole use during frozen embryo transfer cycles in women with polycystic ovary syndrome. ( Chen, Q; Fan, Y; Kuang, Y; Liu, H; Mao, X; Wang, Y; Xiao, Y; Zhang, J, 2019)
"We compared sonographic findings, fertility results, pregnancy complications and congenital anomalies in two groups of women treated with letrozole and CC."7.88Comparison of the pregnancy outcomes and the incidence of fetal congenital abnormalities in infertile women treated with letrozole and clomiphene citrate. ( Akbari Sene, A; Ashrafi, M; Ghorbani, S, 2018)
"BACKGROUND Women with polycystic ovary syndrome (PCOS) undergoing in vitro fertilization (IVF) are given letrozole before a trigger injection of human chorionic gonadotropin (hCG) to lower estrogen (E2) levels, but can experience ovarian hyperstimulation syndrome (OHSS)."7.88A Retrospective Study of Letrozole Treatment Prior to Human Chorionic Gonadotropin in Women with Polycystic Ovary Syndrome Undergoing In Vitro Fertilization at Risk of Ovarian Hyperstimulation Syndrome. ( Chen, Y; Hao, C; Yang, T; Zhao, J, 2018)
"This retrospective study investigated the efficacy and safety of letrozole for patients with polycystic ovary syndrome (PCOS)."7.88Letrozole for patients with polycystic ovary syndrome: A retrospective study. ( Guang, HJ; Li, F; Shi, J, 2018)
"Variable dose letrozole-FSH protocol can maintain lower peak estradiol levels and reduce estrogen exposure after breast cancer operation and chemotherapy."7.83Twin delivery after IVF-ET with variable dose letrozole-FSH protocol of lower estradiol in a patient previously treated for breast cancer: a case report. ( Diao, H; Hu, GZ; Zhang, CJ; Zhang, Y, 2016)
"To study the efficiency of letrozole, an aromatase inhibitor, in endometrial preparation for cryopreserved-thawed embryo transfer (FET) in women with polycystic ovarian syndrome (PCOS)."7.80Letrozole stimulation in endometrial preparation for cryopreserved-thawed embryo transfer in women with polycystic ovarian syndrome: a pilot study. ( Chen, YZ; Hu, YJ; Huang, HF; Zhu, YM, 2014)
"To assess the feasibility of adding letrozole to the standard regimen of mifepristone and misoprostol for termination of pregnancy up to 63 days."7.79A pilot study on the combined use of letrozole, mifepristone and misoprostol in termination of first trimester pregnancy up to 9 weeks' gestation. ( Chai, J; Ho, PC, 2013)
"Low-dose (LD, 150 IU; n = 34) versus high-dose (HD, >150 IU; n = 117) FSH start in 151 patients with breast cancer (BCa) undergoing ovarian stimulation for embryo cryopreservation with letrozole (LE) before cancer treatment."7.78Does higher starting dose of FSH stimulation with letrozole improve fertility preservation outcomes in women with breast cancer? ( Lee, S; Oktay, K, 2012)
"To determine the effect of intravaginal micronized P on pregnancy rates in clomiphene citrate and letrozole ovulation induction cycles in women with polycystic ovary syndrome (PCOS)."7.76Luteal support with intravaginal progesterone increases clinical pregnancy rates in women with polycystic ovary syndrome using letrozole for ovulation induction. ( Aubuchon, M; Khabbaz, M; Montville, CP; Thomas, MA; Williams, DB, 2010)
"Letrozole induction of ovulation in clomiphene citrate-resistant women with polycystic ovary syndrome is associated with an ovulation rate of 54."7.73Letrozole induction of ovulation in women with clomiphene citrate-resistant polycystic ovary syndrome may not depend on the period of infertility, the body mass index, or the luteinizing hormone/follicle-stimulating hormone ratio. ( Eldosoky, M; Elnashar, A; Fouad, H; Saeid, N, 2006)
"Letrozole, with lower incidences of LUF, is more effective than clomiphene citrate for the induction of ovulation in IUI cycles."6.80Effects of Letrozole-HMG and Clomiphene-HMG on Incidence of Luteinized Unruptured Follicle Syndrome in Infertile Women Undergoing Induction Ovulation and Intrauterine Insemination: A Randomised Trial. ( Akbari Asbagh, F; Azmoodeh, A; Ghaseminejad, A; Hamzehgardeshi, Z; Pejman Manesh, M, 2015)
" The aim of the study was to evaluate the effectiveness and efficacy of letrozole and clomiphene citrate (CC) combined with human menopausal gonadotropin (HMG) in CC-resistant infertile women with PCOS."6.80Use of letrozole and clomiphene citrate combined with gonadotropins in clomiphene-resistant infertile women with polycystic ovary syndrome: a prospective study. ( Liu, S; Lu, X; Mao, H; Xi, W; Xue, X; Yang, Y, 2015)
"letrozole for 5 treatment cycles (or approximately up to 25 weeks)."6.77The Pregnancy in Polycystic Ovary Syndrome II (PPCOS II) trial: rationale and design of a double-blind randomized trial of clomiphene citrate and letrozole for the treatment of infertility in women with polycystic ovary syndrome. ( Brzyski, RG; Casson, PR; Christman, GM; Coutifaris, C; Diamond, MP; Eisenberg, E; Kunselman, AR; Legro, RS; Santoro, N; Schlaff, WD; Taylor, HS; Zhang, H, 2012)
"To compare the efficacy of letrozole to recombinant FSH for ovarian stimulation combined with IUI in a group of patients that had failed to conceive after clomiphene citrate (CC) and IUI."6.73Randomized controlled trial comparing superovulation with letrozole versus recombinant follicle-stimulating hormone combined with intrauterine insemination for couples with unexplained infertility who had failed clomiphene citrate stimulation and intraute ( Botsis, D; Creatsas, GK; Gregoriou, O; Konidaris, S; Papadias, K; Vlahos, NF, 2008)
"PCOS patients with an increased LH/FSH ratio, AMH, FAI, and late menarche may need an increased dosage of LET for a treatment response, which could be helpful in designing a personalized treatment strategy."5.91Predictors of response to ovulation induction using letrozole in women with polycystic ovary syndrome. ( Chen, S; Chen, Z; Guo, Z; Hao, Y; Hu, P; Yu, Q, 2023)
"Letrozole (LE) has been found to improve the luteal function."5.91The effect of gonadotrophin-releasing hormone agonist versus human chorionic gonadotrophin trigger on pregnancy and neonatal outcomes in Letrozole-HMG IUI cycles. ( Chen, L; Gao, Y; Jiang, S; Kuang, Y; Long, H; Wang, Y; Xi, Q, 2023)
"8."5.91Letrozole-stimulated endometrial preparation protocol is a superior alternative to hormone replacement treatment for frozen embryo transfer in women with polycystic ovary syndrome, a cohort study. ( Cai, S; Gong, F; Guo, H; Li, X; Li, Y; Lin, G; Ma, S; Peng, Y; Tan, H; Tang, Y; Wang, X; Zhang, S, 2023)
"Letrozole treatment is considered an effective option in endometrial preparation for frozen embryo transfers in patients with ovulation disorders or irregular menstruation; however, the effectiveness of letrozole-induced endometrial preparation remains unclear in ovulatory patients."5.72Letrozole-induced endometrial preparation improved the pregnancy outcomes after frozen blastocyst transfer compared to the natural cycle: a retrospective cohort study. ( Ezoe, K; Fukuda, J; Kato, K; Shinohara, K; Takeshima, K, 2022)
"To evaluate the efficacy of combination treatment of letrozole and clomiphene citrate (CC) in comparison to that of letrozole alone to induce ovulation in infertile women with polycystic ovary syndrome (PCOS)."5.69A triple-blind, randomized controlled trial, comparing combined letrozole and clomiphene versus only letrozole for ovulation induction in women with polycystic ovarian syndrome. ( Hota, S; Kalidoss, VK; Panda, SR; Sharmila, V, 2023)
" In total, 1078 women with PCOS will be randomised (1:1) to the letrozole-stimulated or HRT group in their first FET cycle and their pregnancy and perinatal outcomes during this cycle will be followed up and analysed."5.69Live birth after letrozole-stimulated cycles versus hormone replacement treatment cycles for the first frozen embryo transfer in women with polycystic ovary syndrome: protocol for a multicentre randomised controlled trial. ( Deng, B; Feng, YR; Gong, F; Li, Y; Lin, G; Ma, Y; Wang, X; Wu, Y; Zhang, C; Zhang, S, 2023)
"Letrozole has been applied during controlled ovarian hyperstimulation (COH) to reduce the rate of OHSS in women undergoing long-term Gonadotropin-releasing Hormone Analog (GnRHa) treatment for assisted fertility."5.62Prednisone combined with letrozole reduced risk of ovarian hyperstimulation syndrome (OHSS) in women undergoing long-term gonadotropin-releasing hormone analog treatment. ( Chen, H; Cheng, J; Fang, L; Qu, X; Ruan, M; Yang, S; Zhao, J, 2021)
"Letrozole was associated with significantly higher clinical pregnancy (38."5.62Letrozole as first-line drug for ovulation induction in treatment-naïve infertile polycystic ovarian syndrome women. ( Joseph, T; Kamath, MS; Kunjummen, AT; Rebekah, G; Waanbah, BD, 2021)
"Clomiphene citrate (CC) and letrozole are ovulatory stimulants that, despite high ovulation rates, achieve low pregnancy rates."5.51The Effect of Clomiphene Citrate and Letrozole in Apoptotic Pathways and Cell Cycle in Human Primary Cumulus Cells and the Protective Effect of Estradiol. ( Aguiar, LPT; Coelho, SS; Del Puerto, HL; Ferreira, MCF; Moraes, LM; Oliveira, GG; Oliveira, RM; Prazeres, PHDM; Silveira, CO; Souza, FHS, 2022)
"Considering the presence of sexual dysfunction in patients with polycystic ovary syndrome, our aim was to provide scientific evidence studying effect of oral probiotic on sexual function in patients with PCOS treated with letrozole in an Iranian population."5.51Probiotic effects on sexual function in women with polycystic ovary syndrome: a double blinded randomized controlled trial. ( Azizi-Kutenaee, M; Bazarganipour, F; Heidari, S; Taghavi, SA, 2022)
"To examine the effect of letrozole on oocyte quality and pregnancy outcome in assisted reproductive technology (ART)."5.51The impact of letrozole on oocyte quality in assisted reproductive technology (ART); a randomized double-blind clinical trial. ( Amanpour, S; Bandarian, F; Bandarian, M; Hossein Rashidi, B; Shahrokh Tehraninejad, E, 2022)
"We conducted a prospective randomised controlled trial to explore the efficacy of clomiphene citrate (CC) and Letrozole (LTZ) for improving fecundity in infertile women with minimal to mild endometriosis after operative laparoscopy."5.51Ovulation induction with clomiphene citrate or letrozole following laparoscopy in infertile women with minimal to mild endometriosis: a prospective randomised controlled trial. ( Chen, H; Fu, J; Huang, W; Liu, D; Wang, Q; Yang, S; Zhou, L, 2022)
"Letrozole-treated patients required a significantly lower amount of gonadotropins units (p < 0."5.48Mild ovarian stimulation with letrozole plus fixed dose human menopausal gonadotropin prior to IVF/ICSI for infertile non-obese women with polycystic ovarian syndrome being pre-treated with metformin: a pilot study. ( Cantatore, C; Caringella, AM; Caroppo, E; D'Amato, G; Palini, S; Stanziano, A, 2018)
"To estimate the effect of letrozole and clomiphene citrate in women with infertility and polycystic ovarian syndrome (PCOS)."5.41Letrozole Compared With Clomiphene Citrate for Polycystic Ovarian Syndrome: A Systematic Review and Meta-analysis. ( Geng, Y; Hu, R; Huang, Y; Li, F; Liu, Z; Song, Y; Zhang, M, 2023)
"This review focuses on the efficacy of letrozole stimulated frozen-thawed embryo transfer (FET) compared to hormone replacement therapy (HRT) FET in women with polycystic ovarian syndrome (PCOS) and/or oligo-anovulation."5.41The future of frozen-thawed embryo transfer in hormone replacement therapy cycles. ( Asserhøj, LL; Dam, TV; Løssl, K; Pinborg, A; Spangmose, AL, 2023)
"To evaluate the effectiveness and safety of IVF versus expectant management, unstimulated intrauterine insemination (IUI), and IUI with ovarian stimulation using gonadotropins, clomiphene citrate (CC), or letrozole in improving pregnancy outcomes."5.41In vitro fertilisation for unexplained subfertility. ( Bhattacharya, S; Gibreel, A; Kamath, MS; Pandian, Z; Sunkara, SK, 2023)
"To compare the efficacy of letrozole and clomiphene citrate (CC) for ovulation induction in infertile women with polycystic ovarian syndrome (PCOS)."5.41Letrozole versus clomiphene citrate for ovulation induction in anovulatory women with polycystic ovarian syndrome: A randomized controlled trial. ( Bansal, S; Goyal, M; Sharma, C; Shekhar, S, 2021)
"To study the feasibility of a randomized controlled trial (RCT) comparing intrauterine insemination (IUI) with and without letrozole in couples with unexplained or mild male factor infertility STUDY DESIGN: We performed a randomized pilot study including 100 couples with unexplained or mild male factor infertility in the Reproductive Medicine Centre of Peking University Third Hospital in China."5.41Intrauterine insemination (IUI) with or without letrozole for unexplained or mild male factor infertility: A randomized pilot study. ( Huang, S; Li, N; Li, R; Luo, L; Mol, BWJ; Norman, RJ; Qiao, J; Wang, H; Wang, L; Wang, R; Yan, H, 2021)
"Letrozole is a potent, nonsteroidal, aromatase inhibitor, originally used for postmenopausal breast cancer therapy, at present its only registered indication."5.37Use of the aromatase inhibitor letrozole for ovulation induction in women with polycystic ovarian syndrome. ( Casper, RF; Mitwally, MF, 2011)
"To compare the effects of letrozole and human menopausal gonadotropin (HMG) in the treatment of patients with polycystic ovary syndrome (PCOS) resistant to clomiphene citrate (CC)."5.34Letrozole and human menopausal gonadotropin for ovulation induction in clomiphene resistance polycystic ovary syndrome patients: A randomized controlled study. ( Chen, L; Hong, T; Huang, X; Jiang, F; Shi, S; Zhuang, Y, 2020)
" We have designed a multicenter randomized controlled trial (RCT) to evaluate whether personalized or fixed acupuncture increases the likelihood of live births in infertile women with polycystic ovary syndrome (PCOS) compared with letrozole or placebo letrozole."5.34A multicenter randomized trial of personalized acupuncture, fixed acupuncture, letrozole, and placebo letrozole on live birth in infertile women with polycystic ovary syndrome. ( Gao, X; Hu, M; Hu, R; Hu, Z; Huang, S; Lai, M; Li, J; Li, S; Liang, X; Liu, J; Ma, H; Ng, EHY; Qiao, J; Quan, K; Shang, H; Stener-Victorin, E; Wang, C; Wang, X; Wen, Q; Wen, X; Xia, T; Zheng, Y, 2020)
"Considering that clinical trial studies are limited in polycystic ovary syndrome (PCOS) patients, and there is no consensus on an optimum endometrial preparation protocol for frozen embryo transfer (FET), the present study was designed as a randomized clinical trial to compare the reproductive outcomes following stimulated cycles with letrozole plus human menopausal gonadotropin (HMG) for endometrial preparation compared with routine AC-FET."5.34The effect of letrozole versus artificial hormonal endometrial preparation on pregnancy outcome after frozen-thawed embryos transfer cycles: a randomized clinical trial. ( Farid Mojtahedi, M; Hosseini-Najarkolaee, E; Hosseini-Najarkolaei, A; Kashani, L; Moini, A; Salehi, E, 2020)
"To evaluate whether a combination of letrozole and clomiphene citrate (CC) results in higher ovulation rates than letrozole alone in infertile women with polycystic ovary syndrome (PCOS)."5.30A randomized controlled trial of combination letrozole and clomiphene citrate or letrozole alone for ovulation induction in women with polycystic ovary syndrome. ( Kresowik, JD; Mejia, RB; Summers, KM; Van Voorhis, BJ, 2019)
"The purpose is a comparison of effectiveness of myo-inositol and metformin in infertile women with polycystic ovary syndrome (PCOS) treated with letrozole."5.30The effectiveness of inositol and metformin on infertile polycystic ovary syndrome women with resistant to letrozole. ( Bazarganipour, F; Kutenaee, MA; Pourghasem, S; Taghavi, SA, 2019)
"Almost all of the previous studies related with co-administration of letrozole in IVF cycles were performed in poor responders and letrozole may reduce the total gonadotropin dose required for ovarian stimulation, and the pregnancy rate did not decrease in poor responders."5.30Letrozole supplementation during controlled ovarian stimulation in expected high responders: a pilot randomized controlled study. ( Gong, F; Lin, G; Lu, G; Yang, X, 2019)
"A total of 202 patients with clomiphene citrate (CC) -resistant polycystic ovary syndrome (PCOS) were randomly allocated into two arms of induction of ovulation; the first group (n = 102) received CC 100 mg and metformin 500 mg while the second group (n = 100) received letrozole 2."5.27Clomiphene citrate combined with metformin versus letrozole for induction of ovulation in clomiphene-resistant polycystic ovary syndrome: a randomized clinical trial. ( Rezk, M; Saif El-Nasr, I; Shaheen, AE, 2018)
"To compare the therapeutic efficacy of clomiphene citrate (CC) and letrozole (LE) on ovulation, pregnancy, and live birth in women with polycystic ovary syndrome (PCOS); and to ensure if LE can replace CC as the first-line therapy for ovulation induction in these women."5.24Comparison of clomiphene citrate and letrozole for ovulation induction in women with polycystic ovary syndrome: a prospective randomized trial. ( Feng, G; Fu, J; Huang, W; Liu, C; Liu, D; Tan, J; Wang, Q; Yang, S, 2017)
"We aimed to compare the cost effectiveness of letrozole versus purified urinary follicle stimulating hormone (FSH) in treating patients with clomiphene citrate (CC)-resistant polycystic ovary syndrome (PCOS)."5.24Cost effectiveness of letrozole and purified urinary FSH in treating women with clomiphene citrate-resistant polycystic ovarian syndrome: a randomized controlled trial. ( Hassan, A; Shehata, N; Wahba, A, 2017)
" We included randomized controlled trials (RCTs) comparing IUI-OS with gonadotrophins, letrozole and CC among couples with unexplained infertility."5.22Ovarian stimulation strategies for intrauterine insemination in couples with unexplained infertility: a systematic review and individual participant data meta-analysis. ( Cohlen, BJ; D'Hooghe, TM; Danhof, NA; Dankert, T; Diamond, MP; Erdem, M; Legro, RS; Mochtar, MH; Mol, BWJ; Peeraer, K; Showell, M; Thyagaraju, C; van Eekelen, R; van Wely, M; Wang, R; Wessel, JA, 2022)
"Letrozole appears to improve live birth rates and pregnancy rates in infertile women with anovulatory PCOS, compared to SERMs, when used for ovulation induction, followed by intercourse."5.22Aromatase inhibitors (letrozole) for ovulation induction in infertile women with polycystic ovary syndrome. ( Farquhar, C; Franik, S; Kiesel, L; Kremer, JA; Le, QK, 2022)
"To investigate the optimal ovulation induction with the combination of combining letrozole(LE),clomiphene citrate (CC),and human menopausal gonadotropin (HMG) in polycystic ovary syndrome(PCOS) patients resistant to CC or LE."5.22[Optimal Ovulation Induction in Polycystic Ovary Syndrome Resistant to Clomiphene Citrate or Letrozole.] ( Chen, Y; Zhang, D, 2016)
"To evaluate the effects of letrozole and cabergoline in a rat model of ovarian hyperstimulation syndrome (OHSS)."5.22Comparison of the effects of letrozole and cabergoline on vascular permeability, ovarian diameter, ovarian tissue VEGF levels, and blood PEDF levels, in a rat model of ovarian hyperstimulation syndrome. ( Apaydın, N; Cengiz, H; Eskicioğlu, F; Genç, M; Şahin, N; Sivrikoz, ON; Töz, E; Turan, GA, 2016)
"To study whether a combination of berberine and letrozole results in higher live births than letrozole alone in infertile women with polycystic ovary syndrome (PCOS)."5.22Randomized controlled trial of letrozole, berberine, or a combination for infertility in the polycystic ovary syndrome. ( Liang, RN; Liu, JP; Ma, HX; Ng, EH; Shao, XG; Wang, YY; Wu, XK; Xue, HY, 2016)
" A total of 750 infertile women with polycystic ovary syndrome (PCOS) were randomly assigned to up to receive five cycles of letrozole or clomiphene citrate."5.20Impact of Male and Female Weight, Smoking, and Intercourse Frequency on Live Birth in Women With Polycystic Ovary Syndrome. ( Allshouse, AA; Alvero, R; Casson, PR; Christman, GM; Coutifaris, C; Diamond, MP; Eisenberg, E; Krawetz, SA; Legro, RS; Polotsky, AJ; Santoro, N; Schlaff, WD; Trussell, JC; Zhang, H, 2015)
"Ovulation induction with letrozole during endometrial preparation for FET has a higher rate of pregnancy success and a lower abortion rate than HRT."5.19Letrozole ovulation induction: an effective option in endometrial preparation for frozen-thawed embryo transfer. ( Chai, XS; Chen, JL; Li, SJ; Nie, MF; Tao, GS; Zhang, YJ; Zhou, YY, 2014)
"Clomiphene is the current first-line infertility treatment in women with the polycystic ovary syndrome, but aromatase inhibitors, including letrozole, might result in better pregnancy outcomes."5.19Letrozole versus clomiphene for infertility in the polycystic ovary syndrome. ( Alvero, R; Baker, V; Barnhart, KT; Bates, GW; Brzyski, RG; Casson, P; Christman, GM; Coutifaris, C; Diamond, MP; Eisenberg, E; Haisenleder, DJ; Huang, H; Krawetz, SA; Legro, RS; Lucidi, S; Ohl, D; Santoro, N; Schlaff, WD; Snyder, P; Trussell, JC; Usadi, R; Yan, Q; Zhang, H, 2014)
"The aim of the present study was to investigate the clinical value of low‑dose aspirin in combination with Tiao Jing Cu Yun pills in patients with polycystic ovary syndrome (PCOS) by measuring follicular peripheral blood flow parameters and the clinical efficacy."5.19Effects of combining low‑dose aspirin with a Chinese patent medicine on follicular blood flow and pregnancy outcome. ( Du, B; Jiang, X; Ma, M; Shi, L; Zhang, Q; Zhao, Y; Zhou, L, 2014)
"The expression of estrogen receptor-α (ERα) and progesterone receptor (PR) transcripts, as well as ERα protein, in placentae was suppressed by letrozole pretreatment in second trimester termination of pregnancy."5.17The effect of letrozole with misoprostol for medical termination of pregnancy on the expression of steroid receptors in the placenta. ( Gao, J; Ho, PC; Lee, KF; Lee, VC; Ng, EH; Yeung, WS, 2013)
" In this study, we used a combination of letrozole and clomiphene in patients resistant to both drugs individually, and studied the effects of this combination in ovulation and pregnancy in resistant PCOS patients."5.17Combined letrozole and clomiphene versus letrozole and clomiphene alone in infertile patients with polycystic ovary syndrome. ( Dehghan, M; Ghasemi-Rad, M; Hajishafiha, M; Kiarang, N; Sadegh-Asadi, N; Shayegh, SN, 2013)
"To compare the hormonal-metabolic profiles and reproductive outcomes between women receiving metformin plus letrozole and women undergoing bilateral ovarian drilling in clomiphene citrate (CC)-resistant women with polycystic ovary syndrome (PCOS)."5.17Efficacy of combined metformin-letrozole in comparison with bilateral ovarian drilling in clomiphene-resistant infertile women with polycystic ovarian syndrome. ( Abd Elgafor, I, 2013)
"The objective of this study was to compare the efficacy of letrozole versus clomiphene citrate as an ovulation induction drug in polycystic ovarian syndrome (PCOS) patients of Indian origin."5.16Comparison of efficacy of letrozole and clomiphene citrate in ovulation induction in Indian women with polycystic ovarian syndrome. ( Banerjee Ray, P; Chakraborti, PS; Ray, A, 2012)
"To evaluate pregnancy rates with letrozole and clomiphene citrate (CC) alone for superovulation in an intrauterine insemination program for women with recently surgically treated minimal to mild endometriosis."5.16Randomized comparison of superovulation with letrozole vs. clomiphene citrate in an IUI program for women with recently surgically treated minimal to mild endometriosis. ( Abd Elaal, I; Abu Hashim, H; El Rakhawy, M, 2012)
"We previously demonstrated that a sequential regimen of letrozole and misoprostol resulted in a marked reduction in the serum estradiol concentration and in a higher efficacy of first-trimester termination of pregnancy than misoprostol alone."5.16Effect of letrozole on uterine artery Doppler flow indices prior to first-trimester termination of pregnancy: a randomized controlled trial. ( Ho, PC; Lee, VC; Ng, EH; Tang, OS; Yeung, TW; Yeung, WS, 2012)
"Our previous randomized controlled study showed that the complete abortion rate in termination of pregnancy up to 63 days with the combined use of letrozole for 3 days followed by vaginal misoprostol was significantly higher than that of misoprostol alone."5.16A pilot study on the use of a 7-day course of letrozole followed by misoprostol for the termination of early pregnancy up to 63 days. ( Ho, PC; Lee, VC; Ng, EH; Yeung, TW, 2012)
"Letrozole has beneficial effect on endometrium, an action that may improve the implantation and pregnancy rates in women with unexplained infertility."5.16Letrozole versus clomiphene citrate for superovulation in Egyptian women with unexplained infertility: a randomized controlled trial. ( Abdel-Azeem, AA; Ibrahim, MI; Moustafa, RA, 2012)
"To compare the role of an aromatase inhibitor (letrozole) with a GnRH agonist (triptorelin) versus case control on the pregnancy rate and recurrence of symptoms and signs in patients with endometriosis."5.15A comparison of the effect of short-term aromatase inhibitor (letrozole) and GnRH agonist (triptorelin) versus case control on pregnancy rate and symptom and sign recurrence after laparoscopic treatment of endometriosis. ( Alborzi, M; Alborzi, S; Dehbashi, S; Hamedi, B; Omidvar, A, 2011)
" We performed two pilot studies to assess the feasibility of using letrozole in combination with either mifepristone or misoprostol for termination of pregnancy up to 63 days."5.15A pilot study on the use of letrozole with either misoprostol or mifepristone for termination of pregnancy up to 63 days. ( Ho, PC; Lee, VC; Ng, EH; Tang, OS; Yeung, WS, 2011)
"To compare the success rate and side effects of letrozole and misoprostol versus misoprostol alone for medical termination of early pregnancy."5.15Misoprostol with or without letrozole pretreatment for termination of pregnancy: a randomized controlled trial. ( Ho, PC; Lee, VCY; Ng, EHY; Yeung, WSB, 2011)
"To compare the clinical outcomes of letrozole and laparoscopic ovarian drilling (LOD) in patients with clomiphene-citrate-resistant polycystic ovary syndrome (PCOS)."5.15Reproductive outcome after letrozole versus laparoscopic ovarian drilling for clomiphene-resistant polycystic ovary syndrome. ( Abdellah, MS, 2011)
"To evaluate the outcome of long letrozole therapy for induction of ovulation in patients with clomiphene-resistant polycystic ovary syndrome (PCOS)."5.14Extended letrozole therapy for ovulation induction in clomiphene-resistant women with polycystic ovary syndrome: a novel protocol. ( Badawy, A; Eid, M; Mosbah, A; Tharwat, A, 2009)
"To compare the effect of letrozole with laparoscopic ovarian diathermy (LOD) for ovulation induction in clomiphene citrate (CC) resistant women with polycystic ovary syndrome (PCOS)."5.14Letrozole versus laparoscopic ovarian diathermy for ovulation induction in clomiphene-resistant women with polycystic ovary syndrome: a randomized controlled trial. ( Abu Hashim, H; Badawy, A; Mashaly, AM, 2010)
" The implantation and clinical pregnancy rates were higher in the MF group and the total cancellation rate was higher in the GnRH antagonist/letrozole group, but these findings were not statistically significant."5.14GnRH antagonist/letrozole versus microdose GnRH agonist flare protocol in poor responders undergoing in vitro fertilization. ( Ahmadi, S; Davar, R; Firouzabadi, RD; Oskouian, H, 2010)
"To compare the effectiveness of letrozole and clomiphene citrate (CC) in induction of ovulation in polycystic ovary syndrome (PCOS)."5.14Comparison of efficacy of aromatase inhibitor and clomiphene citrate in induction of ovulation in polycystic ovarian syndrome. ( Begum, A; Begum, MR; Ferdous, J; Quadir, E, 2009)
"The aim of this study was to determine the risks of congenital malformations and pregnancy loss with letrozole compared with clomiphene primarily, and with other fertility drugs and natural conception."5.12Risk of foetal harm with letrozole use in fertility treatment: a systematic review and meta-analysis. ( Achilli, C; Bhide, P; Coomarasamy, A; Legro, RS; Pundir, J; Rombauts, L; Sabatini, L; Teede, H; Thangaratinam, S; Zamora, J, 2021)
"Meta-analysis was used to evaluate the efficacy and safety of aspirin combined with letrozole in the treatment of polycystic ovary syndrome (PCOS)."5.12Effectiveness and safety of aspirin combined with letrozole in the treatment of polycystic ovary syndrome: a systematic review and meta-analysis. ( Su, F; Wang, M; Wang, Z; Yu, Q, 2021)
"5 mg, 5 mg of letrozole is associated with more follicles and a higher pregnancy rate."5.12A randomized trial of superovulation with two different doses of letrozole. ( Al-Fadhli, R; Buckett, W; Sylvestre, C; Tan, SL; Tulandi, T, 2006)
"Adding metformin to clomiphene citrate in clomiphene-resistant polycystic ovary syndrome (PCOS) patients increases ovulatory response."5.12Efficacy of combined metformin-letrozole in comparison with metformin-clomiphene citrate in clomiphene-resistant infertile women with polycystic ovarian disease. ( Ansari, Sh; Bagheri, M; Sohrabvand, F, 2006)
"Letrozole produced a comparable pregnancy rate vs."5.12Use of letrozole versus clomiphene citrate combined with gonadotropins in intrauterine insemination cycles: a pilot study. ( Jee, BC; Kim, KC; Kim, SH; Ku, SY; Lee, WD; Suh, CS, 2006)
"A low-cost stimulation protocol that includes letrozole and hMG in normal responders for assisted reproductive technologies resulted in a satisfactory ongoing pregnancy rate."5.12Preliminary experience with a low-cost stimulation protocol that includes letrozole and human menopausal gonadotropins in normal responders for assisted reproductive technologies. ( Grabia, A; Kopelman, S; Mlayes, L; Papier, S; Pesce, R; Sueldo, C, 2006)
"Superovulation and IUI with letrozole and CC are associated with similar pregnancy rates, but the miscarriage rate is higher with CC."5.11A randomized trial of letrozole versus clomiphene citrate in women undergoing superovulation. ( Al-Fozan, H; Al-Khadouri, M; Tan, SL; Tulandi, T, 2004)
" With letrozole treatment in the same patients with PCOS, ovulation occurred in 9 of 12 cycles (75%) and pregnancy was achieved in 3 patients (25%)."5.09Use of an aromatase inhibitor for induction of ovulation in patients with an inadequate response to clomiphene citrate. ( Casper, RF; Mitwally, MF, 2001)
" We included randomized controlled trials that compared a stimulation regimen with CC, Letrozole or gonadotrophins to each other or to natural cycle IUI among couples with unexplained infertility."5.05IUI for unexplained infertility-a network meta-analysis. ( Danhof, NA; Mochtar, MH; Mol, BWJ; van der Veen, F; van Wely, M; Wang, R, 2020)
"In women with PCOS, letrozole improves live birth and clinical pregnancy rates and reduces time-to-pregnancy compared to CC and therefore can be recommended as the preferred first-line treatment for women with PCOS and infertility."5.01First-line ovulation induction for polycystic ovary syndrome: an individual participant data meta-analysis. ( Amer, SA; Bhattacharya, S; Bordewijk, EM; Falbo, A; Federica, G; Gao, J; Homburg, R; Huang, W; Johnson, NP; Kar, S; König, TE; Legro, RS; Li, W; Lord, J; Mol, BW; Moll, E; Morin-Papunen, L; Nazik, H; Norman, RJ; Özmen, Ü; Palomba, S; Sahin, Y; van Wely, M; Vegetti, W; Wang, R; Williams, CD; Wu, X; Zhang, H, 2019)
"The objective of this systematic review was to examine the literature and to compare the effectiveness of letrozole (LE) versus laparoscopic ovarian drilling (LOD) for the induction of ovulation in women with clomiphene citrate (CC)-resistant polycystic ovary syndrome (PCOS)."5.01Letrozole versus laparoscopic ovarian drilling in clomiphene citrate-resistant women with polycystic ovary syndrome: a systematic review and meta-analysis of randomized controlled trials. ( Cheng, G; Hu, S; Wang, Y; Xia, W; Yu, Q; Zhu, C, 2019)
"To estimate the clinical effectiveness, as determined by positive pregnancy test, of letrozole compared with clomiphene citrate for ovarian stimulation in patients with unexplained infertility."5.01Letrozole Compared With Clomiphene Citrate for Unexplained Infertility: A Systematic Review and Meta-analysis. ( Bedrick, BS; Colditz, GA; Eskew, AM; Hardi, A; Jungheim, ES; Stoll, CRT; Tuuli, MG, 2019)
"The purpose of this systematic review was to evaluate the efficacy of pretreatment with letrozole prior to either a first- or second-trimester medical termination of pregnancy."4.98Letrozole pretreatment prior to medical termination of pregnancy: a systematic review. ( Murphy, KE; Nash, CM; Philp, L; Shah, P, 2018)
"Letrozole appears to improve live birth and pregnancy rates in subfertile women with anovulatory polycystic ovary syndrome, compared to clomiphene citrate."4.98Aromatase inhibitors (letrozole) for subfertile women with polycystic ovary syndrome. ( Eltrop, SM; Farquhar, C; Franik, S; Kiesel, L; Kremer, JA, 2018)
"We found no conclusive evidence indicating that clomiphene citrate or letrozole with or without gonadotropins differed from gonadotropins in GnRH agonist or antagonist protocols with respect to their effects on live-birth or pregnancy rates, either in the general population of women undergoing IVF treatment or in women who were poor responders."4.95Oral medications including clomiphene citrate or aromatase inhibitors with gonadotropins for controlled ovarian stimulation in women undergoing in vitro fertilisation. ( Bhattacharya, S; Gibreel, A; Kamath, MS; Lor, KY; Maheshwari, A, 2017)
"Randomised controlled trials comparing eight ovulation induction treatments in women with WHO group II anovulation: clomiphene, letrozole, metformin, clomiphene and metformin combined, tamoxifen, gonadotropins, laparoscopic ovarian drilling, and placebo or no treatment."4.95Treatment strategies for women with WHO group II anovulation: systematic review and network meta-analysis ( Bhattacharya, S; Costello, MF; Johnson, NP; Kim, BV; Legro, RS; Mol, BW; Ng, EH; Norman, RJ; van Wely, M; Wang, R; Zhang, H, 2017)
"The objective of the present systematic review and meta-analysis was to examine the literature and to identify the results of randomized controlled trials (RCTs) comparing the use of letrozole to clomiphene citrate (CC) for ovulation induction in patients with polycystic ovary syndrome (PCOS)."4.91Letrozole versus clomiphene citrate in polycystic ovary syndrome: systematic review and meta-analysis. ( Geber, S; Roque, M; Sampaio, M; Tostes, AC; Valle, M, 2015)
"Letrozole appears to improve live birth and pregnancy rates in subfertile women with anovulatory PCOS, compared to clomiphene citrate."4.90Aromatase inhibitors for subfertile women with polycystic ovary syndrome. ( Farquhar, C; Franik, S; Kremer, JA; Nelen, WL, 2014)
"Metformin, an insulin-sensitizing drug commonly used to treat Type 2 Diabetes Mellitus (T2DM), has been increasingly used off-label for the treatment of polycystic ovary syndrome (PCOS), which affects at least 5-10% of reproductive- age women."4.90The utility of metformin therapy in reproductive-aged women with polycystic ovary syndrome (PCOS). ( Nathan, N; Sullivan, SD, 2014)
"The objective of this study is to investigate and compare the effectiveness of letrozole and clomiphene citrate for improving fertility outcomes, including pregnancy rate, miscarriage rate, multiple pregnancy rate, and incidence rate of adverse events, number of dominant follicles, endometrial thickness at hCG day and serum E2 on hCG day."4.90Letrozole versus clomiphene citrate for unexplained infertility: a systematic review and meta-analysis. ( Chen, W; Lang, J; Liu, A; Zheng, C, 2014)
"To assess the effects of tamoxifen or letrozole, in addition to standard COS protocols, on the breast cancer-free interval in premenopausal women with ER positive breast cancer who undergo COS for embryo or oocyte cryopreservation."4.89Tamoxifen or letrozole versus standard methods for women with estrogen-receptor positive breast cancer undergoing oocyte or embryo cryopreservation in assisted reproduction. ( Balkenende, E; Dahhan, T; Goddijn, M; Linn, S; van Wely, M, 2013)
" The Pregnancy in PCOS trial II will determine the safety and efficacy of clomiphene citrate compared to letrozole, in achieving live birth in infertile women with PCOS."4.88Reproductive impact of polycystic ovary syndrome. ( Legro, RS; Usadi, RS, 2012)
"The aim of this study was to systematically compare the clinical efficacy and safety of letrozole with clomiphene citrate for ovulation induction in women with polycystic ovary syndrome (PCOS)."4.87Meta-analysis of letrozole versus clomiphene citrate in polycystic ovary syndrome. ( He, D; Jiang, F, 2011)
"Use of letrozole is associated with a higher chance of uncomplicated pregnancy and a lower risk of multiple pregnancy than clomiphene citrate."4.85[Ovulation induction by means of letrozole]. ( Ekerhovd, E, 2009)
"Ovulation induction with letrozole is associated with an ovulation rate of 70%-84% and a pregnancy rate of 20%-27% per cycle."4.83A new era in ovulation induction. ( Casper, R; Holzer, H; Tulandi, T, 2006)
"To evaluate whether extending letrozole (LE) treatment duration could induce ovulation in women with polycystic ovary syndrome (PCOS) who previously failed to ovulate after a 5-day regimen of 5 mg LE daily for at least 1 ovulation induction cycle, defined as "LE resistance"."4.31Extending letrozole treatment duration is effective in inducing ovulation in women with polycystic ovary syndrome and letrozole resistance. ( Fu, Y; Zhu, X, 2023)
"Women with severe adenomyosis would benefit from letrozole or a combination of GnRHa plus letrozole before receipt of treatment with assisted reproductive technology."4.31Pituitary suppression with GnRH agonists before ART may be insufficient to treat women with severe adenomyosis. ( Cozzolino, M; Galliano, D; Pellicer, A; Pellicer, N, 2023)
"In letrozole OI cycles followed by IUI, lower LBRs and clinical pregnancy rates were found in women with lower E2 levels than in those with higher E2 levels at the 25th, 50th, and 75th percentile E2 level quartiles."4.31Live birth associated with peak serum estradiol levels in letrozole intrauterine insemination cycles. ( Devine, K; Imudia, AN; Jahandideh, S; Kodama, S; New, EP; Plosker, SM, 2023)
"No studies have been conducted on the impact of different types of ovulatory dysfunction on the outcomes of frozen-thawed embryo transfers (FETs) in a letrozole-stimulated cycle in women with polycystic ovarian syndrome (PCOS)."4.31Comparison of pregnancy outcomes of letrozole-induced frozen-thawed embryo transfer cycles in PCOS women with two different abnormal ovulation patterns: A retrospective cohort study. ( Cao, JX; Hou, JW; Jiang, WJ; Song, JY; Sun, ZG; Wang, DD; Yan, MH, 2023)
"To assess efficacy of adjuvant dexamethasone during letrozole cycles for ovulation induction (OI) in women with letrozole-resistant polycystic ovary syndrome (PCOS)."4.31Ovulation induction with letrozole and dexamethasone in infertile patients with letrozole-resistant polycystic ovary syndrome. ( Babayev, SN; Baumgarten, SC; Neblett, MF; Shenoy, CC, 2023)
" This study was performed to explore the relationship between follicle size, endometrial thickness, and types of ovarian stimulation (Clomiphene citrate/CC vs Letrozole) with biochemical pregnancy rate in women undergone IUI."4.31Association between follicle size, endometrial thickness, and types of ovarian stimulation (Clomiphene citrate and Letrozole) with biochemical pregnancy rate in women undergone intrauterine insemination. ( Krisnadi, SR; Nugrahani, AD; Rachmawati, A; Santoso, SA, 2023)
"To compare the characteristics and efficacy of progestin-primed ovarian stimulation (PPOS) protocol plus letrozole versus PPOS protocol alone for patients with normal ovarian function who received in vitro fertilization/intracytoplasmic sperm injection-embryo transfer (IVF/ICSI-ET) assisted pregnancy treatment."4.12Progestin-primed ovarian stimulation protocol with or without letrozole for patients with normal ovarian reserve: a retrospective cohort study. ( Deng, K; Diao, H; Jiang, S; Jiang, X; Zhang, C, 2022)
" Previous studies have shown that administration of letrozole, a non-steroidal aromatase inhibitor for cancer treatment, increased the clinical pregnancy rate in women with endometriosis, but the mechanisms remain to be determined."4.12Letrozole promotes the expression of integrin αvβ3 and HOXA10 in endometrium of endometriosis. ( Li, C; Li, M; Li, R; Wang, L; Zhang, H; Zhang, J, 2022)
"The risks of pregnancy, livebirth, multiple gestation, preterm birth, neonatal intensive care unit (NICU) admission and congenital malformations were higher for letrozole compared with clomiphene in participants with polycystic ovarian syndrome (PCOS), though no treatment differences were observed in those with unexplained infertility."4.12Emulating a target trial of the comparative effectiveness of clomiphene citrate and letrozole for ovulation induction. ( Chiu, YH; Hernán, MA; Hernández-Díaz, S; Hsu, J; Rinaudo, P; Yland, JJ, 2022)
"Implantation rates, clinical pregnancy rates and live birth delivery rates were significantly higher in letrozole administered patients in comparison to controls among POSEIDON group 3 women (0."4.12Effects of letrozole co-treatment on outcomes of gonadotropin-releasing hormone antagonist cycles in POSEIDON groups 3 and 4 expected poor responders. ( Kahraman, A; Tulek, F, 2022)
" We retrospectively compared the pregnancy and neonatal outcomes after frozen single-blastocyst transfer with endometrial preparation by HRT regimen (n = 3540), ovulation induction by human menopausal gonadotropin (hMG) regimen (n = 226), and ovulation induction by letrozole regimen (n = 175)."4.12Ovulation induction regimens are associated with a higher rate of livebirth after frozen single-blastocyst transfer among women with polycystic ovary syndrome. ( Niu, Y; Suo, L; Wang, Y; Wei, D; Zhao, D; Zou, J, 2022)
"For infertile women with normal menstrual cycle undergoing FET, mildly stimulated cycles with letrozole present a relatively large advantage compared with HRT cycle and natural cycle, with higher live birth pregnancy, indicating that letrozole administration could improve pregnancy outcomes in this population."4.12Comparison of different endometrial preparation protocols on frozen embryo transfer pregnancy outcome in patients with normal ovulation. ( Bai, M; Chen, P; Lou, L; Lv, M; Xiao, Q; Xu, Y; Yu, J; Zhang, Z, 2022)
"To evaluate the efficacy and safety of gonadotropin-releasing hormone agonist (GnRHa) combined with a levonorgestrel-releasing intrauterine device (LNG-IUD) or aromatase inhibitor (letrozole) in women with endometrial carcinoma or atypical endometrial hyperplasia who wished to preserve fertility."4.12Oncological and reproductive outcomes for gonadotropin-releasing hormone agonist combined with aromatase inhibitors or levonorgestrel-releasing intra-uterine system in women with endometrial cancer or atypical endometrial hyperplasia. ( Cao, D; Chen, J; Cheng, N; Peng, P; Shen, K; Wang, J; Yang, J; Yu, M; Zhang, Y; Zhou, H, 2022)
"To investigate the efficacy of oral letrozole (LE) starting on day 3 or 5 of the menstrual cycle in patients with polycystic ovary syndrome (PCOS)."4.12Effect of different timing of letrozole initiation on pregnancy outcome in polycystic ovary syndrome. ( Chen, Y; Gao, M; Jin, X; Shi, L; Ye, S; Zhang, Z, 2022)
"To compare the effects of human menopausal gonadotropin (HMG) combined with letrozole (LE) to HMG only for ovarian stimulation on pregnancy outcome of infertile patients undergoing artificial insemination by husband (AIH) due to unexplained or mild male factors."4.12Retrospective analysis: The application of human menopausal gonadotropin combined with letrozole for IUI in patients undergoing artificial insemination by husband due to unexplained or mild male factors. ( Chen, JQ; Chen, XW; Li, HQ; Lu, XP; Pan, XL; Su, NJ, 2022)
"To evaluate the clinical effect of mild stimulation with letrozole on pregnancy outcomes in ovulatory women undergoing frozen embryo transfer (FET) compared to natural cycle."4.02Frozen Embryo Transfer in Mildly Stimulated Cycle With Letrozole Compared to Natural Cycle in Ovulatory Women: A Large Retrospective Study. ( Cai, R; Chen, Q; Huang, J; Khor, S; Kuang, Y; Li, D; Lu, X; Lyu, Q, 2021)
"The objective of this study was to examine the pregnancy outcomes from frozen embryo transfer (FET) cycles using different endometrial preparation regimens, compared to ovulation induction with letrozole (letrozole OI)."4.02Retrospective cohort study on preparation regimens for frozen embryo transfer. ( Atkinson, M; Crittenden, J; Sjoblom, C; Smith, H, 2021)
"This study aimed to investigate the impact of letrozole use during frozen embryo transfer cycles on obstetrical and perinatal outcomes of singleton and twin pregnancies compared with artificial frozen cycles among women with polycystic ovary syndrome."4.02Letrozole-induced frozen embryo transfer cycles are associated with a lower risk of hypertensive disorders of pregnancy among women with polycystic ovary syndrome. ( Bian, X; Mao, X; Wang, B; Wei, M; Wu, L; Zhang, J; Zhang, S, 2021)
"The combined Stop GnRH-ag, letrozole priming, and multiple-dose GnRH-ant COH protocol revealed significantly higher number of follicles >13 mm on the day of hCG administration and higher number of oocytes retrieved, with non-significantly more TQEs and a reasonable clinical pregnancy rate."4.02A Novel Stimulation Protocol for Poor-Responder Patients: Combining the Stop GnRH-ag Protocol with Letrozole Priming and Multiple-Dose GnRH-ant: A Proof of Concept. ( Aizer, A; Haas, J; Kirshenbaum, M; Nahum, R; Orvieto, R, 2021)
"Clinical data (patient baseline characteristics, sperm quality, hormonal status, and cycle data) from 1029 IUI procedures performed in 413 couples stimulated by clomiphene citrate, letrozole, or gonadotropins were used to build several models to predict clinical pregnancy."4.02Can methods of artificial intelligence aid in optimizing patient selection in patients undergoing intrauterine inseminations? ( Kovač, V; Kozar, N; Reljič, M, 2021)
"We sought to compare the efficacy of the letrozole (LTZ) stair-step protocol with clomiphene citrate (CC) stair-step protocol in the management of 150 mg dose of CC-resistant polycystic ovary syndrome (PCOS) patients."4.02Comparison of the efficacy of letrozole stair-step protocol with clomiphene citrate stair-step protocol in the management of clomiphene citrate-resistant polycystic ovary syndrome patients. ( Oğlak, SC; Sakar, MN, 2021)
"Children of women with polycystic ovary syndrome who conceived with letrozole (LTZ) or clomiphene (CC) in the PPCOS II study or women with unexplained infertility (AMIGOS study) who conceived with LTZ, CC, or gonadotropin (GN)."3.96Pregnancy registry: three-year follow-up of children conceived from letrozole, clomiphene, or gonadotropins. ( Alvero, R; Baker, V; Barnhart, KT; Casson, P; Cedars, MI; Christman, GM; Coutifaris, C; Coward, RM; Diamond, MP; Dodson, WC; Eisenberg, E; Estes, SJ; Hansen, KR; Huang, H; Krawetz, SA; Kunselman, A; Legro, RS; Robinson, R; Rosen, RM; Santoro, N; Schlaff, WD; Stetter, C; Trussell, JC; Usadi, R; Zhang, H, 2020)
" This article reports a case of successful ovulation induction and pregnancy with letrozole combined with HMG."3.96Successful live birth in a woman with resistant ovary syndrome treated with letrozole and HMG: A case report. ( Mu, Z; Song, J; Sun, Z; Yu, Y, 2020)
"To study the use of the aromatase inhibitor letrozole for treatment of ectopic pregnancy compared with methotrexate."3.96Aromatase inhibitor letrozole: a novel treatment for ectopic pregnancy. ( Abdalla, KA; Abdalla, NK; Hassanin, KMA; Hozayen, WG; Mitwally, MF, 2020)
" This study aimed to investigate the clinical effect of letrozole use or hMG stimulation on pregnancy and neonatal outcomes in ovulatory patients undergoing FET."3.91Pregnancy And Neonatal Outcomes Of hMG Stimulation With Or Without Letrozole In Endometrial Preparation For Frozen-Thawed Embryo Transfer In Ovulatory Women: A Large Retrospective Cohort Study. ( Cai, R; Fan, Y; Huang, J; Kuang, Y; Lin, J; Wang, N; Wang, Y, 2019)
"75 mg monthly (dep-GnRH-ag) and letrozole 5 mg daily improves pregnancy outcomes in patients with at least two unexplained failed embryo transfers (ETs) but without a previous diagnosis of endometriosis."3.91Management of recurrent implantation failure by gonadotropin-releasing hormone agonist and aromatase inhibitor suppression, in women without evidence of endometriosis. ( Dahan, MH; Elliott, B; Khayat, S, 2019)
"To investigate whether live birth rate (LBR) following frozen-thawed embryo transfer in letrozole-stimulated cycles (L-FET) differs from LBR after artificial-cycle frozen-thawed embryos transfers (AC-FET) in women with polycystic ovary syndrome (PCOS)."3.91Letrozole use during frozen embryo transfer cycles in women with polycystic ovary syndrome. ( Chen, Q; Fan, Y; Kuang, Y; Liu, H; Mao, X; Wang, Y; Xiao, Y; Zhang, J, 2019)
" Clinical pregnancy rates were higher among women who received GnRH agonist plus letrozole compared with women who received GnRH agonist only or women without pretreatment (63%, 42%, and 40%, respectively; P<."3.91Effect of GnRH agonist and letrozole treatment in women with recurrent implantation failure. ( Balayla, J; Dahan, MH; Dahan, SY; Shrem, G; Steiner, N; Tan, SL; Tannus, S; Volodarsky-Perel, A, 2019)
"In an IUI program for unexplained or mild male-factor infertility, ovarian stimulation with letrozole may significantly increase live birth rates while controlling multiple pregnancy rates."3.88Ovarian stimulation in infertile women treated with the use of intrauterine insemination: a cohort study from China. ( Huang, S; Li, R; Mol, BWJ; Qiao, J; Wang, H; Wang, R, 2018)
"We compared sonographic findings, fertility results, pregnancy complications and congenital anomalies in two groups of women treated with letrozole and CC."3.88Comparison of the pregnancy outcomes and the incidence of fetal congenital abnormalities in infertile women treated with letrozole and clomiphene citrate. ( Akbari Sene, A; Ashrafi, M; Ghorbani, S, 2018)
"BACKGROUND Women with polycystic ovary syndrome (PCOS) undergoing in vitro fertilization (IVF) are given letrozole before a trigger injection of human chorionic gonadotropin (hCG) to lower estrogen (E2) levels, but can experience ovarian hyperstimulation syndrome (OHSS)."3.88A Retrospective Study of Letrozole Treatment Prior to Human Chorionic Gonadotropin in Women with Polycystic Ovary Syndrome Undergoing In Vitro Fertilization at Risk of Ovarian Hyperstimulation Syndrome. ( Chen, Y; Hao, C; Yang, T; Zhao, J, 2018)
"This retrospective study investigated the efficacy and safety of letrozole for patients with polycystic ovary syndrome (PCOS)."3.88Letrozole for patients with polycystic ovary syndrome: A retrospective study. ( Guang, HJ; Li, F; Shi, J, 2018)
"We conclude that co-treatment with letrozole improves the IVF outcome in normal responders in terms of increased number of blastocysts obtained without increasing the pregnancy rate or the risk of OHSS."3.85Does daily co-administration of letrozole and gonadotropins during ovarian stimulation improve IVF outcome? ( Barzilay, E; Bassil, R; Casper, RF; Gonen, N; Haas, J; Meriano, J; Samara, N, 2017)
"To assess the effect of letrozole in combination with low dose gonadotropins for ovulation induction in anovulatory infertility from polycystic ovary syndrome (PCOS) and controlled ovarian stimulation for endometriosis, and unexplained infertility patients."3.85Ovulation induction and controlled ovarian stimulation using letrozole gonadotropin combination: A single center retrospective cohort study. ( Arya, S; Crisp, Z; Dwivedi, AK; Jose, J; Kupesic-Plavsic, S; Mulla, ZD; Noble, LS, 2017)
"In normo-ovulatory women undergoing TDI, OS with CC or letrozole resulted in similar live birth and twin pregnancy rates."3.85Clomiphene Citrate versus Letrozole for Ovarian Stimulation in Therapeutic Donor Sperm Insemination. ( Antaki, R; Bouet, PE; El Hachem, H; Kadoch, IJ; Lapensée, L; Sylvestre, C, 2017)
"The aim of this retrospective study was to determine the clinical pregnancy rate in women undergoing letrozole ovarian stimulation and artificial insemination by donor (AID)."3.85A retrospective analysis of ovarian stimulation with letrozole in women undergoing artificial insemination by donor. ( Chen, H; Ji, LC; Jiang, L; Jin, L; Nie, R; Qian, K; Sun, XJ; Zhu, GJ, 2017)
"Variable dose letrozole-FSH protocol can maintain lower peak estradiol levels and reduce estrogen exposure after breast cancer operation and chemotherapy."3.83Twin delivery after IVF-ET with variable dose letrozole-FSH protocol of lower estradiol in a patient previously treated for breast cancer: a case report. ( Diao, H; Hu, GZ; Zhang, CJ; Zhang, Y, 2016)
"We have previously reported an approach to ovarian stimulation for the purpose of fertility preservation (FP) in women with breast cancer via embryo freezing with the concurrent use of letrozole."3.81Fertility Preservation Success Subsequent to Concurrent Aromatase Inhibitor Treatment and Ovarian Stimulation in Women With Breast Cancer. ( Bedoschi, G; Moy, F; Oktay, K; Pacheco, FS; Turan, V, 2015)
"To study the efficiency of letrozole, an aromatase inhibitor, in endometrial preparation for cryopreserved-thawed embryo transfer (FET) in women with polycystic ovarian syndrome (PCOS)."3.80Letrozole stimulation in endometrial preparation for cryopreserved-thawed embryo transfer in women with polycystic ovarian syndrome: a pilot study. ( Chen, YZ; Hu, YJ; Huang, HF; Zhu, YM, 2014)
"To assess the feasibility of adding letrozole to the standard regimen of mifepristone and misoprostol for termination of pregnancy up to 63 days."3.79A pilot study on the combined use of letrozole, mifepristone and misoprostol in termination of first trimester pregnancy up to 9 weeks' gestation. ( Chai, J; Ho, PC, 2013)
"The clinical and biochemical pregnancy rate or live birth rate was higher in the letrozole OI group than in the other two groups."3.79Frozen embryo transfer: the present practice and beyond. ( Chatterjee, S; Chaudhuri, AR, 2013)
"Low-dose (LD, 150 IU; n = 34) versus high-dose (HD, >150 IU; n = 117) FSH start in 151 patients with breast cancer (BCa) undergoing ovarian stimulation for embryo cryopreservation with letrozole (LE) before cancer treatment."3.78Does higher starting dose of FSH stimulation with letrozole improve fertility preservation outcomes in women with breast cancer? ( Lee, S; Oktay, K, 2012)
"To compare occurrence of pregnancy among obese (body mass index [BMI] ≥30) and nonobese (BMI <30), infertile women undergoing ovulation induction with the aromatase inhibitor letrozole followed by intrauterine insemination (IUI)."3.77Body mass index-associated differences in response to ovulation induction with letrozole. ( Bates, GW; Chapman, VR; Cliver, SP; Cooper, JJ; McKnight, KK; Nodler, JL, 2011)
"To determine the effect of intravaginal micronized P on pregnancy rates in clomiphene citrate and letrozole ovulation induction cycles in women with polycystic ovary syndrome (PCOS)."3.76Luteal support with intravaginal progesterone increases clinical pregnancy rates in women with polycystic ovary syndrome using letrozole for ovulation induction. ( Aubuchon, M; Khabbaz, M; Montville, CP; Thomas, MA; Williams, DB, 2010)
"Letrozole is at least as effective as clomiphene for inducing ovulation and achieving pregnancy in patients with polycystic ovarian syndrome."3.75Letrozole versus clomiphene citrate: which is better for ovulation induction? ( Casper, RF, 2009)
"Pregnancy rates were comparable between the letrozole-FSH co-treatment group and the FSH alone group."3.75Letrozole co-treatment in infertile women 40 years old and older receiving controlled ovarian stimulation and intrauterine insemination. ( Bedaiwy, MA; Casper, R; Claessens, A; Esfandiari, N; Gotleib, L; Mousa, N; Shokry, M, 2009)
"The aim of this study was to examine the requirement of luteal progesterone or luteal estrogen for the establishment of pregnancy in the Cebus monkey and to test in a primate species the synergism between RU 486 and letrozole (LTZ) found in rodents for inhibiting implantation."3.74Progesterone, but not luteal estrogen, is required for the establishment of pregnancy in the new world monkey Cebus apella. ( Croxatto, HB; Garfield, R; Ortiz, ME; Ortiz, RE; Zepeda, AJ, 2007)
"To compare pregnancy rates (PR) for letrozole and gonadotropins in individuals who failed to conceive with clomiphene citrate (CC)."3.74A comparison of letrozole to gonadotropins for ovulation induction, in subjects who failed to conceive with clomiphene citrate. ( Dahan, MH; Lathi, RB; Quintero, RB; Urban, R; Westphal, LM, 2007)
"The use of letrozole to induce ovulation has not been associated with an increased risk of a child being born with a birth defect; in contrast, the use of clomiphene citrate in pregnancy is associated with intrauterine growth restriction."3.74Is the use of letrozole to induce ovulation teratogenic? ( Gill, SK; Koren, G; Moretti, M, 2008)
"Letrozole induction of ovulation in clomiphene citrate-resistant women with polycystic ovary syndrome is associated with an ovulation rate of 54."3.73Letrozole induction of ovulation in women with clomiphene citrate-resistant polycystic ovary syndrome may not depend on the period of infertility, the body mass index, or the luteinizing hormone/follicle-stimulating hormone ratio. ( Eldosoky, M; Elnashar, A; Fouad, H; Saeid, N, 2006)
"The addition of letrozole to gonadotropins decreases gonadotropin requirements, increases the number of pre-ovulatory follicles and decreases endometrial thickness, without a negative effect on pregnancy rates."3.72Effects of letrozole on superovulation with gonadotropins in women undergoing intrauterine insemination. ( Biljan, MM; Healey, S; Tan, SL; Tulandi, T, 2003)
"The availability of CGS 16949A, CGS 20267 and CGP 47645, a series of aromatase inhibitors (AIs) having high specific activity and specificity, made possible this study wherein the need for estrogen (E) for regulating (a) follicular maturation/ovulation, luteal function and pregnancy establishment, and (b) testicular function of the bonnet monkey (Macaca radiata) has been examined."3.69Effect of estrogen deprivation on the reproductive physiology of male and female primates. ( Bhatnagar, S; Krishnamurthy, H; Krishnamurthy, HN; Moudgal, RN; Shetty, G, 1997)
"Does letrozole co-treatment during ovarian stimulation with gonadotrophins for IVF reduce the proportion of women with premature progesterone levels above 1."3.11Impact of letrozole co-treatment during ovarian stimulation with gonadotrophins for IVF: a multicentre, randomized, double-blinded placebo-controlled trial. ( Andersen, CY; Bülow, NS; Grøndahl, ML; Holt, MD; Macklon, NS; Mikkelsen, ALE; Nyboe Andersen, A; Pinborg, A; Skouby, SO; Sopa, N; Udengaard, H; Warzecha, AK, 2022)
"Equine pregnancy is characterized by very high circulating concentrations of estrogens."2.84Endocrine changes, fetal growth, and uterine artery hemodynamics after chronic estrogen suppression during the last trimester of equine pregnancy. ( Ball, BA; Esteller-Vico, A; Squires, EL; Troedsson, MHT, 2017)
"AIs may be effective in the treatment of male infertility."2.82Efficacy and safety of letrozole or anastrozole in the treatment of male infertility with low testosterone-estradiol ratio: A meta-analysis and systematic review. ( Guo, B; Li, JJ; Liu, JG; Ma, YL; Zhao, YT, 2022)
"There were no data on LBR or miscarriage with oral stimulation."2.82Luteal phase support for women trying to conceive by intrauterine insemination or sexual intercourse. ( Bofill Rodriguez, M; Lumbiganon, P; Martins, WP; Salang, L; Solà, I; Sothornwit, J; Teixeira, DM, 2022)
"Letrozole, with lower incidences of LUF, is more effective than clomiphene citrate for the induction of ovulation in IUI cycles."2.80Effects of Letrozole-HMG and Clomiphene-HMG on Incidence of Luteinized Unruptured Follicle Syndrome in Infertile Women Undergoing Induction Ovulation and Intrauterine Insemination: A Randomised Trial. ( Akbari Asbagh, F; Azmoodeh, A; Ghaseminejad, A; Hamzehgardeshi, Z; Pejman Manesh, M, 2015)
" The aim of the study was to evaluate the effectiveness and efficacy of letrozole and clomiphene citrate (CC) combined with human menopausal gonadotropin (HMG) in CC-resistant infertile women with PCOS."2.80Use of letrozole and clomiphene citrate combined with gonadotropins in clomiphene-resistant infertile women with polycystic ovary syndrome: a prospective study. ( Liu, S; Lu, X; Mao, H; Xi, W; Xue, X; Yang, Y, 2015)
"letrozole for 5 treatment cycles (or approximately up to 25 weeks)."2.77The Pregnancy in Polycystic Ovary Syndrome II (PPCOS II) trial: rationale and design of a double-blind randomized trial of clomiphene citrate and letrozole for the treatment of infertility in women with polycystic ovary syndrome. ( Brzyski, RG; Casson, PR; Christman, GM; Coutifaris, C; Diamond, MP; Eisenberg, E; Kunselman, AR; Legro, RS; Santoro, N; Schlaff, WD; Taylor, HS; Zhang, H, 2012)
"The letrozole group had lower dosage of HMG (P<0."2.76Sequential use of letrozole and gonadotrophin in women with poor ovarian reserve: a randomized controlled trial. ( Chan, CC; Ho, PC; Lee, VC; Ng, EH; Yeung, WS, 2011)
"The objective of this study was to test the use of letrozole in combination with follicle-stimulating hormone (FSH) vs clomiphene citrate (CC) with FSH for ovarian hyperstimulation prior to intrauterine insemination (IUI)."2.75Clomiphene citrate or aromatase inhibitors combined with gonadotropins for superovulation in women undergoing intrauterine insemination: a prospective randomised trial. ( Badawy, A; Elnashar, A; Totongy, M, 2010)
"The occurrence of pregnancy, miscarriage and neonatal condition."2.74Pregnancy outcome after ovulation induction with aromatase inhibitors or clomiphene citrate in unexplained infertility. ( Abdelhady, H; Allam, AF; Badawy, A; Shokeir, T, 2009)
"Letrozole appears to be a suitable ovulation inducing agent in PCOS women with CC failure and is found to be most effective when baseline estradiol level >60 pg/ml."2.74Comparison of letrozole with continuous gonadotropins and clomiphene-gonadotropin combination for ovulation induction in 1387 PCOS women after clomiphene citrate failure: a randomized prospective clinical trial. ( Chakravarty, B; Chattopadhyay, R; Chaudhury, K; Ganesh, A; Goswami, SK, 2009)
" In Group A, an aromatase inhibitor (letrozole, 5 mg/day) was administered along with a fixed dosage (450 IU/day) of recombinant FSH (rFSH), whereas Group B were treated with the same rFSH dosage alone."2.74Use of aromatase inhibitors in poor-responder patients receiving GnRH antagonist protocols. ( Atabekoglu, CS; Olmus, H; Ozmen, B; Sönmezer, M, 2009)
" A total of 179 patients were randomly recruited in this prospective study with 58, 61 and 60 patients in each dosage group respectively."2.73Randomized controlled trial of three doses of letrozole for ovulation induction in patients with unexplained infertility. ( Badawy, A; Fawzy, M; Metwally, M, 2007)
"To compare the efficacy of letrozole to recombinant FSH for ovarian stimulation combined with IUI in a group of patients that had failed to conceive after clomiphene citrate (CC) and IUI."2.73Randomized controlled trial comparing superovulation with letrozole versus recombinant follicle-stimulating hormone combined with intrauterine insemination for couples with unexplained infertility who had failed clomiphene citrate stimulation and intraute ( Botsis, D; Creatsas, GK; Gregoriou, O; Konidaris, S; Papadias, K; Vlahos, NF, 2008)
"Letrozole was administered at 5 mg/day from day 3 to day 7 of the IUI cycle."2.72Letrozole versus human menopausal gonadotrophin in women undergoing intrauterine insemination. ( Attar, E; Baysoy, A; Jamal, H; Karatekeli, E; Ozornek, H; Serdaroglu, H, 2006)
"Clinical pregnancy was higher in protocols with lax cancellation policies or higher gonadotropin doses, with subsequent increased relative risks of multiple gestations of 1."2.66Gonadotropins versus oral ovarian stimulation agents for unexplained infertility: a systematic review and meta-analysis. ( DeCherney, AH; Hill, MJ; Lindner, PG; Terry, N; Zolton, JR, 2020)
"For patients with POR, controlled ovarian stimulation protocols using adjuvant treatment with DHEA, CoQ10 and GH showed better clinical outcomes in terms of achieving pregnancy, and a lower dosage of gonadotrophin required for ovulation induction."2.66Adjuvant treatment strategies in ovarian stimulation for poor responders undergoing IVF: a systematic review and network meta-analysis. ( Chang, HM; Guo, J; Huang, H; Leung, PCK; Sheng, JZ; Shu, J; Zhang, C; Zhang, Y, 2020)
"Letrozole has no beneficial effect on the prevention of mild, moderate, and severe OHSS, individually; Letrozole should not be considered as the first-line treatment for prevention of OHSS."2.66Whether Letrozole could reduce the incidence of early ovary hyperstimulation syndrome after assisted reproductive technology? A systematic review and meta-analysis. ( Huang, X; Li, Y; Xu, B; Yan, Y; Zhao, J, 2020)
"Polycystic ovarian syndrome is the major cause of anovulation and is generally associated with obesity."2.48Evaluation and treatment of anovulatory and unexplained infertility. ( Bates, GW; Propst, AM, 2012)
"Breast cancer is the most frequent cancer in reproductive age women."2.44Assisted reproduction and breast cancer. ( Atabekoglu, C; Sonmezer, M, 2007)
" A shorter duration of stimulation and a lower dosage of recombinant FSH consumption on the day of human chorionic gonadotropin administration were all observed in the +LE group."1.91Effectiveness of letrozole in pituitary downregulated normogonadotrophic young women with an initial poor response. ( Bian, J; Ma, HG; Sun, N; Sun, PP; Zhang, YM, 2023)
"PCOS patients with an increased LH/FSH ratio, AMH, FAI, and late menarche may need an increased dosage of LET for a treatment response, which could be helpful in designing a personalized treatment strategy."1.91Predictors of response to ovulation induction using letrozole in women with polycystic ovary syndrome. ( Chen, S; Chen, Z; Guo, Z; Hao, Y; Hu, P; Yu, Q, 2023)
"Letrozole (LE) has been found to improve the luteal function."1.91The effect of gonadotrophin-releasing hormone agonist versus human chorionic gonadotrophin trigger on pregnancy and neonatal outcomes in Letrozole-HMG IUI cycles. ( Chen, L; Gao, Y; Jiang, S; Kuang, Y; Long, H; Wang, Y; Xi, Q, 2023)
"8."1.91Letrozole-stimulated endometrial preparation protocol is a superior alternative to hormone replacement treatment for frozen embryo transfer in women with polycystic ovary syndrome, a cohort study. ( Cai, S; Gong, F; Guo, H; Li, X; Li, Y; Lin, G; Ma, S; Peng, Y; Tan, H; Tang, Y; Wang, X; Zhang, S, 2023)
"Letrozole co-treatment significantly suppressed oestradiol and follicle-stimulating hormone concentrations from stimulation day 5 and onwards, while increasing luteinizing hormone levels on stimulation day 5 and trigger day."1.91Impact of 2.5 mg versus 5 mg letrozole co-treatment in an antagonist protocol for IVF: a retrospective study. ( Lin, J; Wang, B; Wu, F; Zhang, K; Zhu, Q; Zhu, Y, 2023)
"To ask lots of questions and try to find the truth about the medicine-based effectiveness of letrozole (LE) combined with human menopausal gonadotropin (HMG) in the treatment of inability to have children crops patients with endocrine (things that are different from what is usually expected and the effect on ovulation-related chemicals produced by the body)."1.72Efficacy of Letrozole Combined with Urinary Gonadotropin for Ovulation Induction in Endocrine Abnormal Infertility Patients: A Retrospective Single-Center, Case-Control Study. ( Luo, S; Mao, J; Peng, H; Wang, J; Yuan, B, 2022)
"Letrozole treatment is considered an effective option in endometrial preparation for frozen embryo transfers in patients with ovulation disorders or irregular menstruation; however, the effectiveness of letrozole-induced endometrial preparation remains unclear in ovulatory patients."1.72Letrozole-induced endometrial preparation improved the pregnancy outcomes after frozen blastocyst transfer compared to the natural cycle: a retrospective cohort study. ( Ezoe, K; Fukuda, J; Kato, K; Shinohara, K; Takeshima, K, 2022)
"The LzGA group had a lower dosage of follicular stimulating hormone (FSH) (p = 0."1.72Letrozole as an adjunct treatment in antagonist cycles that previously failed in poor responders. ( Biler, A; Demir, A; Kaçar, MT; Köse, C; Şahin Güleç, E, 2022)
"Letrozole has been applied during controlled ovarian hyperstimulation (COH) to reduce the rate of OHSS in women undergoing long-term Gonadotropin-releasing Hormone Analog (GnRHa) treatment for assisted fertility."1.62Prednisone combined with letrozole reduced risk of ovarian hyperstimulation syndrome (OHSS) in women undergoing long-term gonadotropin-releasing hormone analog treatment. ( Chen, H; Cheng, J; Fang, L; Qu, X; Ruan, M; Yang, S; Zhao, J, 2021)
"We reviewed charts of women with breast cancer who contacted the FP patient navigator (PN) at Northwestern University from 01/2005-01/2018."1.62Predictors and outcomes in breast cancer patients who did or did not pursue fertility preservation. ( Confino, R; Gradishar, WJ; Jeruss, JS; Kazer, RR; Klock, SC; Lawson, AK; Moravek, MB; Pavone, ME; Smith, KN, 2021)
"Letrozole was associated with significantly higher clinical pregnancy (38."1.62Letrozole as first-line drug for ovulation induction in treatment-naïve infertile polycystic ovarian syndrome women. ( Joseph, T; Kamath, MS; Kunjummen, AT; Rebekah, G; Waanbah, BD, 2021)
"Letrozole is an aromatase inhibitor that has an unapproved use for ovulation induction with infertility."1.51Misclassification in Assessment of First Trimester In-utero Exposure to Drugs Used Proximally to Conception: the Example of Letrozole Utilization for Infertility Treatment. ( Andrade, SE; Bird, ST; Gelperin, K; Hampp, C; Sahin, L; Song, J; Taylor, L; Toh, S, 2019)
"This study aims to evaluate the effects and pregnancy outcomes of gonadotropin-releasing hormone agonist (GnRH agonist) combined with aromatase inhibitor (AI) in preserving the fertility of obese women with grade 1 endometrial cancer (EC)."1.51A pilot study of gonadotropin-releasing hormone agonist combined with aromatase inhibitor as fertility-sparing treatment in obese patients with endometrial cancer. ( Cheng, N; Feng, F; Huang, H; Wang, J; Zhang, Z, 2019)
"Estrogen-dependent early stage endometrial cancer is relatively common in young women of reproductive age."1.48A successful live birth with in vitro fertilization and thawed embryo transfer after conservative treatment of recurrent endometrial cancer. ( Choi, YM; Kim, H; Kim, SH; Kim, SW; Ku, SY; Suh, CS, 2018)
"In a xenograft mouse model of endometrial cancer, concomitant AI administration suppressed the growth of endometrial cancer during ovarian stimulation."1.48Aromatase inhibitor use during ovarian stimulation suppresses growth of uterine endometrial cancer in xenograft mouse model. ( Ito, J; Kashiwagi, M; Kashiwazaki, N; Kawahara, T; Nakajima, M; Okamoto, N; Sugishita, Y; Suzuki, N; Takae, S; Uekawa, A, 2018)
"Letrozole-treated patients required a significantly lower amount of gonadotropins units (p < 0."1.48Mild ovarian stimulation with letrozole plus fixed dose human menopausal gonadotropin prior to IVF/ICSI for infertile non-obese women with polycystic ovarian syndrome being pre-treated with metformin: a pilot study. ( Cantatore, C; Caringella, AM; Caroppo, E; D'Amato, G; Palini, S; Stanziano, A, 2018)
"Melasma is an acquired disorder of pigmentation that presents with asymptomatic symmetric darkening of the face."1.46Melasma treatment: A novel approach using a topical agent that contains an anti-estrogen and a vascular endothelial growth factor inhibitor. ( Cohen, PR, 2017)
" Especially little is known about efficacy and safety of letrozole (LTZ) combined with low-dose highly purified human menopausal gonadotropin (Hp-HMG) in women with polycystic ovary syndrome (PCOS)."1.46Letrozole combined with low dose highly purified HMG for ovulation induction in clomiphene citrate-resistant infertile Chinese women with polycystic ovary syndrome: a prospective study. ( Mueck, AO; Ruan, X; Zhao, Y, 2017)
"Should the number of oocytes retrieved being higher in letrozole group might indicate that letrozole might contribute to successful ovarian stimulation with a lower dosage of gonadotropins."1.43Controlled ovarian hyperstimulation with sequential letrozole co-treatment in normo/high responders. ( Caglar, GS; Ecemis, T; Tasci, Y, 2016)
"This study aimed at comparing the effects of different methods of letrozole combined with gonadotropin (Gn) and high-dose Gn ovarian stimulation in antagonist protocol."1.43A comparison among different methods of letrozole combined with gonadotropin in an antagonist protocol and high-dose gonadotropin ovarian stimulation antagonist protocol in poor ovarian responders undergoing in vitro fertilization. ( Li, H; Li, R; Liu, P; Qiao, J; Yang, R, 2016)
"To evaluate the efficacy of minimal stimulation using discretely administered gonadotropin combined with clomiphene citrate (CC) or letrozole (LTZ) for intrauterine insemination (IUI) cycles."1.42Minimal stimulation using gonadotropin combined with clomiphene citrate or letrozole for intrauterine insemination. ( Cho, S; Choi, YS; Chon, SJ; Kim, SH; Lee, BS; Park, JH; Seo, SK; Yun, BH, 2015)
" Demographic and endocrine characteristics, the total number of oocytes retrieved, cancellation rate and clinical pregnancy rate were collected Results: Total dosage of gonadotropins (p=0."1.40The comparision of effect of microdose GnRH-a flare-up, GnRH antagonist/aromatase inhibitor letrozole and GnRH antagonist/clomiphene citrate protocols on IVF outcomes in poor responder patients. ( Bakacak, M; Ficicioglu, C; Kaspar, C; Kizilkale, O; Ozcan Cenksoy, P; Suhha Bostanci, M; Yesiladali, M, 2014)
"Pregnancy was recorded as clinical pregnancy with fetal heart activity seen at 6- to 7-week transvaginal ultrasound."1.38What is the optimal follicular size before triggering ovulation in intrauterine insemination cycles with clomiphene citrate or letrozole? An analysis of 988 cycles. ( Palatnik, A; Robb, P; Strawn, E; Szabo, A, 2012)
"Zoledronic acid was also shown to be more effective in inhibiting cell viability in aromatase transfected AC-1 cells when compared to inhibition of cell viability observed in non-transfected MCF-7."1.38Zoledronic acid inhibits aromatase activity and phosphorylation: potential mechanism for additive zoledronic acid and letrozole drug interaction. ( Brodie, AH; Nemieboka, BE; Schech, AJ, 2012)
"Letrozole is a potent, nonsteroidal, aromatase inhibitor, originally used for postmenopausal breast cancer therapy, at present its only registered indication."1.37Use of the aromatase inhibitor letrozole for ovulation induction in women with polycystic ovarian syndrome. ( Casper, RF; Mitwally, MF, 2011)
"Letrozole treatment at 18 days resulted in males that spent less time huddling over pups during the birth, and had higher pup losses and male-biased pup survival for the first litter."1.35Aromatase inhibition during adolescence reduces adult sexual and paternal behavior in the biparental dwarf hamster Phodopus campbelli. ( Timonin, ME; Wynne-Edwards, KE, 2008)
"In letrozole-treated baboons, serum estradiol levels were decreased by 95%."1.35Estrogen promotes germ cell and seminiferous tubule development in the baboon fetal testis. ( Albrecht, ED; Lane, MV; Marshall, GR; Merchenthaler, I; Pepe, GJ; Plant, TM; Pohl, CR; Simorangkir, DR, 2009)
"Letrozole is an effective drug for ovulation induction and superovulation."1.34Limiting access to letrozole--is it justified? ( DeCherney, AH; Tulandi, T, 2007)
"Letrozole-treated patients showed significantly higher levels of follicular fluid T and androstenedione (80."1.33The aromatase inhibitor letrozole increases the concentration of intraovarian androgens and improves in vitro fertilization outcome in low responder patients: a pilot study. ( Duque, L; Garcia-Velasco, JA; Guillén, A; Moreno, L; Pacheco, A; Pellicer, A; Requena, A, 2005)
"Although pregnancy was maintained in 19 of the 20 untreated control baboons (95%), only 12 of the 24 animals that received CGS 20267 (50%) maintained pregnancy."1.31The role of estrogen in the maintenance of primate pregnancy. ( Aberdeen, GW; Albrecht, ED; Pepe, GJ, 2000)
"Use of a breast cancer cell line (MCF-7) provided biologic confirmation of the role of aromatization in cell proliferation."1.30Macrophages, estrogen and the microenvironment of breast cancer. ( Berstein, LM; Diano, S; Eliza, M; Gutierrez, L; Harada, N; Lysiak, J; Mor, G; Naftolin, F; Santen, RJ; Wang, J; Yue, W, 1998)

Research

Studies (365)

TimeframeStudies, this research(%)All Research%
pre-19900 (0.00)18.7374
1990's4 (1.10)18.2507
2000's75 (20.55)29.6817
2010's170 (46.58)24.3611
2020's116 (31.78)2.80

Authors

AuthorsStudies
Ghosh, D1
Lo, J1
Morton, D1
Valette, D1
Xi, J1
Griswold, J1
Hubbell, S1
Egbuta, C1
Jiang, W1
An, J1
Davies, HM1
Fang, L1
Ruan, M1
Yang, S3
Qu, X1
Chen, H3
Zhao, J3
Cheng, J1
Misiakiewicz-Has, K1
Pilutin, A1
Wiszniewska, B1
Li, D2
Khor, S1
Huang, J2
Chen, Q3
Lyu, Q4
Cai, R2
Kuang, Y9
Lu, X3
Bülow, NS3
Skouby, SO3
Warzecha, AK2
Udengaard, H1
Andersen, CY2
Holt, MD2
Grøndahl, ML2
Nyboe Andersen, A1
Sopa, N2
Mikkelsen, ALE1
Pinborg, A4
Macklon, NS3
Jiang, X2
Jiang, S5
Diao, H2
Deng, K1
Zhang, C4
Haneda, S1
Dini, P1
Esteller-Vico, A2
Scoggin, KE1
Squires, EL2
Troedsson, MH1
Daels, P1
Nambo, Y1
Ball, BA2
Asgharnia, M1
Mehrafza, M1
Raoufi, A1
Zare Yousefi, T1
Hosseinzadeh, E1
Samadnia, S1
Zahiri, Z1
Tamimi, A1
Hosseini, A1
Zhang, J9
Wang, L5
Li, C3
Zhang, H12
Li, R6
Li, M1
Yland, JJ1
Chiu, YH1
Rinaudo, P1
Hsu, J1
Hernán, MA1
Hernández-Díaz, S1
Lin, HT1
Wu, MH1
Tsai, LC1
Chen, TS1
Ou, HT1
Du, L1
Li, RHW1
Gemzell-Danielsson, K2
Du, YH1
Zhang, L3
Diao, WY1
Ho, PC11
Atkinson, M1
Crittenden, J1
Smith, H1
Sjoblom, C1
Tu, X1
You, B1
Jing, M1
Lin, C1
Zhang, R2
Dreyer Holt, M1
Birch Petersen, K1
Englund, ALM1
Wang, F2
Li, S3
Meng, L1
Liu, Z5
Ma, X1
Elgindy, EA1
Abdelghany, AA1
Sibai AbdAlsalam, H1
Mostafa, MI1
Leppänen, R1
Tinkanen, H1
Huhtala, H1
Ahinko, K1
Albrecht, ED17
Aberdeen, GW6
Babischkin, JS3
Prior, SJ1
Lynch, TJ4
Baranyk, IA1
Pepe, GJ17
Guo, W1
Li, HWR2
Yang, Z1
Zeng, L1
Yang, R2
Qiao, J6
Ng, EHY4
Zhang, W2
Ren, B1
Liu, M1
Li, J5
Guan, Y2
Guo, B1
Li, JJ1
Ma, YL1
Zhao, YT1
Liu, JG1
Zwiefelhofer, EM2
Lillico, W1
Adams, GP2
Silveira, CO1
Oliveira, RM1
Moraes, LM1
Oliveira, GG1
Aguiar, LPT1
Souza, FHS1
Coelho, SS1
Prazeres, PHDM1
Del Puerto, HL1
Ferreira, MCF1
Wessel, JA1
Danhof, NA2
van Eekelen, R1
Diamond, MP9
Legro, RS17
Peeraer, K1
D'Hooghe, TM1
Erdem, M2
Dankert, T1
Cohlen, BJ1
Thyagaraju, C1
Mol, BWJ5
Showell, M1
van Wely, M6
Mochtar, MH2
Wang, R7
Balkenende, EME1
Dahhan, T2
Beerendonk, CCM1
Fleischer, K1
Stoop, D1
Bos, AME1
Lambalk, CB1
Schats, R1
Smeenk, JMJ1
Louwé, LA1
Cantineau, AEP1
de Bruin, JP1
Linn, SC1
van der Veen, F2
Goddijn, M2
Aramesh, S1
Azizi Kutenaee, M1
Najafi, F1
Ghaffari, P1
Taghavi, SA3
Kahraman, A1
Tulek, F1
Peng, H1
Yuan, B1
Mao, J1
Wang, J5
Luo, S1
Godiwala, P1
Makhijani, R1
Bartolucci, A1
Grow, D1
Nulsen, J2
Benadiva, C2
Grady, J1
Engmann, L2
Salang, L1
Teixeira, DM1
Solà, I1
Sothornwit, J1
Martins, WP2
Bofill Rodriguez, M1
Lumbiganon, P1
Niu, Y1
Zhao, D1
Wang, Y9
Suo, L1
Zou, J1
Wei, D1
Lou, L1
Xu, Y1
Lv, M1
Yu, J1
Xiao, Q1
Chen, P1
Bai, M1
Zhang, Z4
Azizi-Kutenaee, M1
Heidari, S1
Bazarganipour, F2
Panda, SR1
Sharmila, V1
Kalidoss, VK1
Hota, S1
Chen, J3
Dong, H1
Ma, R1
Zou, Y1
Wang, W5
Zheng, Q1
Feng, Y1
Tan, Z1
Zeng, X1
Zhao, Y5
Deng, Y1
Gu, B1
Sun, A1
Franik, S3
Le, QK1
Kremer, JA3
Kiesel, L2
Farquhar, C3
Zhu, X2
Fu, Y1
Ezoe, K1
Fukuda, J1
Takeshima, K1
Shinohara, K1
Kato, K1
Cao, D1
Yang, J3
Yu, M1
Zhou, H2
Cheng, N2
Zhang, Y7
Peng, P1
Shen, K1
Dilday, E3
Gigg, M3
Hoyos, L3
Quinn, M3
Markovic, D3
Kroener, L3
Cozzolino, M3
Pellicer, N3
Galliano, D3
Pellicer, A4
Chen, L6
Xi, Q4
Li, W4
Furth, PA3
Kang, K3
Rooney, BL3
Keegan, G3
Muralidaran, V3
Zou, X3
Flaws, JA3
Shi, L4
Ye, S2
Gao, M2
Chen, Y6
Jin, X2
Shochet, T2
Turok, D2
Frye, LJ2
Sexsmith, CD2
Gawron, LM2
Kaiser, JE2
Winikoff, B2
Hossein Rashidi, B1
Shahrokh Tehraninejad, E1
Amanpour, S1
Bandarian, F1
Bandarian, M1
Dai, X1
Fu, T1
Long, X1
Li, X3
Weng, R1
Liu, Y3
Li, HQ1
Pan, XL1
Su, NJ1
Lu, XP1
Chen, JQ1
Chen, XW1
New, EP1
Kodama, S1
Devine, K1
Jahandideh, S1
Imudia, AN1
Plosker, SM1
Geng, Y1
Huang, Y1
Hu, R2
Li, F4
Song, Y2
Zhang, M1
Akgul, OK1
Guraslan, H1
Wang, DD1
Cao, JX1
Jiang, WJ1
Hou, JW1
Yan, MH1
Sun, ZG1
Song, JY1
Zhang, WY1
Gardner, RM1
Johal, JK1
Beshar, IE1
Bavan, B1
Milki, AA1
Lathi, RB2
Aghajanova, L1
Lin, J5
Shen, X1
Zhu, Q2
Sun, N1
Sun, PP1
Bian, J1
Zhang, YM1
Ma, HG1
Guo, Z1
Chen, S2
Chen, Z1
Hu, P1
Hao, Y2
Yu, Q4
Neblett, MF1
Baumgarten, SC1
Babayev, SN1
Shenoy, CC1
Løssl, K1
Spangmose, AL1
Asserhøj, LL1
Dam, TV1
Potapragada, NR1
Babayev, E1
Strom, D1
Beestrum, M1
Schauer, JM1
Jungheim, ES2
Gao, Y1
Long, H1
Turan, V2
Gayete-Lafuente, S1
Bang, H1
Oktay, KH1
Xia, TT1
Zeng, KF1
Peng, QM1
Al-Thuwaynee, S1
Swadi, AAJ1
Wang, X4
Li, Y4
Feng, YR1
Deng, B1
Zhang, S3
Ma, Y2
Wu, Y1
Lin, G3
Gong, F3
Nielsen, MV1
Petersen, MR1
Zedeler, A1
Englund, AL1
He, F1
Zeng, M1
Guan, G1
Zhao, X1
Sunkara, SK2
Kamath, MS5
Pandian, Z1
Gibreel, A2
Bhattacharya, S4
Fu, X1
Gao, S4
Ma, J1
Chen, ZJ3
Rachmawati, A1
Krisnadi, SR1
Santoso, SA1
Nugrahani, AD1
Tan, H1
Cai, S1
Ma, S1
Peng, Y1
Guo, H1
Tang, Y1
Chera-Aree, P1
Tanpong, S1
Thanaboonyawat, I1
Laokirkkiat, P1
Wu, F1
Zhang, K1
Zhu, Y1
Wang, B4
Kaur, J1
Suri, V1
Gainder, S1
Arora, A1
Bordewijk, EM1
Wu, X2
Gao, J2
Morin-Papunen, L1
Homburg, R1
König, TE1
Moll, E1
Kar, S1
Huang, W3
Johnson, NP2
Amer, SA2
Vegetti, W1
Palomba, S1
Falbo, A1
Özmen, Ü1
Nazik, H1
Williams, CD1
Federica, G1
Lord, J1
Sahin, Y1
Norman, RJ5
Mol, BW2
Wang, N1
Fan, Y2
Al Mamari, N1
Son, WY1
Pansera, M1
Badeghiesh, A1
Dahan, MH8
Zolton, JR1
Lindner, PG1
Terry, N1
DeCherney, AH2
Hill, MJ1
Vuong, LN1
Ho, TM1
Ha, AN1
Pham, TD1
Le, TTN1
Yding Andersen, C1
Humaidan, P3
Shi, S1
Hong, T1
Jiang, F2
Zhuang, Y1
Huang, X3
Shu, J2
Guo, J1
Chang, HM1
Leung, PCK1
Sheng, JZ1
Huang, H6
Najafi, PZ1
Noghabi, SP1
Afzali, N1
Mohammadzadeh, S1
Huang, S6
Hu, M1
Stener-Victorin, E3
Zheng, Y1
Wen, Q1
Wang, C1
Lai, M1
Gao, X2
Hu, Z1
Xia, T1
Liu, J3
Wen, X1
Quan, K1
Liang, X3
Shang, H1
Ma, H1
Yeung, EH1
Robinson, S1
Coutifaris, C6
Schlaff, WD4
Alvero, R5
Casson, P6
Christman, GM7
Rosen, RM3
Cedars, MI1
Hansen, KR4
Robinson, R1
Baker, V4
Usadi, R4
Dodson, WC1
Estes, SJ1
Kunselman, A1
Stetter, C1
Barnhart, KT2
Coward, RM1
Trussell, JC5
Krawetz, SA5
Santoro, N6
Eisenberg, E7
Mu, Z1
Song, J2
Yu, Y1
Sun, Z1
Hernández, A3
Olvera-Hernández, S4
Fernández-Guasti, A5
Auger, N1
Ayoub, A1
Wei, SQ1
Mitwally, MF6
Hozayen, WG1
Hassanin, KMA1
Abdalla, KA1
Abdalla, NK1
Allameh, Z1
Goharian, M1
Eslamian, M1
Bansal, S1
Goyal, M1
Sharma, C1
Shekhar, S1
Quaas, AM2
Gavrizi, SZ1
Peck, JD1
Robinson, RD3
Atwa, KA1
Farrag, MM1
El-Sayed, MM1
Taha, OT1
Elprince, M1
Glujovsky, D1
Pesce, R2
Sueldo, C2
Quinteiro Retamar, AM1
Hart, RJ2
Ciapponi, A1
Hosseini-Najarkolaei, A1
Moini, A1
Kashani, L1
Farid Mojtahedi, M1
Hosseini-Najarkolaee, E1
Salehi, E1
Xu, B1
Yan, Y1
Pundir, J2
Achilli, C1
Bhide, P1
Sabatini, L1
Rombauts, L2
Teede, H2
Coomarasamy, A1
Zamora, J1
Thangaratinam, S1
Moravek, MB1
Confino, R1
Lawson, AK1
Smith, KN1
Kazer, RR1
Klock, SC1
Gradishar, WJ1
Jeruss, JS1
Pavone, ME1
Zeng, MF1
Zhou, X2
Duan, JL1
Yang, SX1
Rajapaksha, K1
Anzar, M1
Khojah, M1
Khayat, S2
Wei, M1
Bian, X1
Wu, L1
Mao, X2
Selvi, İ1
Demirdağ, E1
Cevher, F1
Karakaya, C1
Erdem, A1
Lv, S1
Bai, E1
Yang, X2
Orvieto, R1
Nahum, R1
Aizer, A1
Haas, J4
Kirshenbaum, M1
Liang, Y1
Guo, Q1
Wu, XH1
Zhang, LN1
Ge, J1
Xu, ML1
Feng, ZL1
Wu, XQ1
Qin, Y1
Li, Z2
Sun, L1
Du, M1
Wang, Z1
Su, F1
Wang, M2
Zhou, L2
Fu, J2
Liu, D2
Wang, Q3
Kozar, N1
Kovač, V1
Reljič, M1
Tsiami, AP1
Goulis, DG1
Sotiriadis, AI1
Kolibianakis, EM1
Yan, H1
Li, N1
Wang, H5
Luo, L3
Zhang, X3
Zheng, A1
Feng, T1
Qian, Y2
Sakar, MN1
Oğlak, SC1
Kaçar, MT1
Biler, A1
Köse, C1
Şahin Güleç, E1
Demir, A1
Collée, J1
Mawet, M1
Tebache, L1
Nisolle, M1
Brichant, G1
Waanbah, BD1
Joseph, T1
Rebekah, G1
Kunjummen, AT1
Cohen, PR1
Tatsumi, T2
Jwa, SC2
Kuwahara, A2
Irahara, M2
Kubota, T2
Saito, H2
Liu, C1
Feng, G1
Tan, J1
Zhang, D1
Kim, SW1
Kim, H1
Ku, SY2
Suh, CS2
Kim, SH3
Choi, YM1
Smith, J1
Mahran, A1
Fox, P1
Fakis, A1
Bassil, R2
Meriano, J2
Samara, N1
Barzilay, E1
Gonen, N2
Casper, RF16
Tulandi, T10
Casper, R5
Arya, S1
Kupesic-Plavsic, S1
Mulla, ZD1
Dwivedi, AK1
Crisp, Z1
Jose, J1
Noble, LS1
Rezk, M2
Shaheen, AE1
Saif El-Nasr, I1
Maheshwari, A1
Lor, KY1
Behroozi-Lak, T1
Derakhshan-Aydenloo, S1
Broomand, F1
Nash, CM1
Philp, L1
Shah, P1
Murphy, KE1
Farquhar, CM1
Liu, E1
Armstrong, S1
Arroll, N1
Lensen, S1
Brown, J1
Kawahara, T1
Okamoto, N1
Takae, S1
Kashiwagi, M1
Nakajima, M1
Uekawa, A1
Ito, J1
Kashiwazaki, N1
Sugishita, Y1
Suzuki, N1
Hu, S2
Xia, W2
Zhu, C2
Yu, R1
Jin, H1
Wang, P1
Check, JH1
Liss, JR1
Check, D1
Eltrop, SM1
Jurisicova, A1
Akbari Sene, A1
Ghorbani, S1
Ashrafi, M1
Yang, T1
Hao, C1
D'Amato, G1
Caringella, AM1
Stanziano, A1
Cantatore, C1
Palini, S1
Caroppo, E1
Winiczenko, R1
Górnicki, K1
Kaleta, A1
Janaszek-Mańkowska, M1
Khan, ZA1
Singh, C1
Khan, T1
Ganguly, M1
Bradsher, C1
Goodwin, P1
Petty, JT1
Sandau, C1
Bove, DG1
Marsaa, K1
Bekkelund, CS1
Lindholm, MG1
Salazar, J1
Bermúdez, V1
Olivar, LC1
Torres, W1
Palmar, J1
Añez, R1
Ordoñez, MG1
Rivas, JR1
Martínez, MS1
Hernández, JD1
Graterol, M1
Rojas, J1
Mubarak, Z1
Humaira, A1
Gani, BA1
Muchlisin, ZA1
Gremillet, C1
Jakobsson, JG1
Gomila, A1
Shaw, E1
Carratalà, J1
Leibovici, L1
Tebé, C1
Wiegand, I1
Vallejo-Torres, L1
Vigo, JM1
Morris, S1
Stoddart, M1
Grier, S1
Vank, C1
Cuperus, N1
Van den Heuvel, L1
Eliakim-Raz, N1
Vuong, C1
MacGowan, A1
Addy, I1
Pujol, M1
Cobb, A1
Rieger, E1
Bell, J1
Mallik, S1
Zhao, Z1
Szécsényi, Á1
Li, G1
Gascon, J1
Pidko, EA1
Zhang, GR1
Wolker, T1
Sandbeck, DJS1
Munoz, M1
Mayrhofer, KJJ1
Cherevko, S1
Etzold, BJM1
Lukashuk, L1
Yigit, N1
Rameshan, R1
Kolar, E1
Teschner, D1
Hävecker, M1
Knop-Gericke, A1
Schlögl, R1
Föttinger, K1
Rupprechter, G1
Franconieri, F1
Deshayes, S1
de Boysson, H1
Trad, S1
Martin Silva, N1
Terrier, B1
Bienvenu, B1
Galateau-Sallé, F1
Emile, JF1
Johnson, AC1
Aouba, A1
Vogt, TJ1
Gevensleben, H1
Dietrich, J1
Kristiansen, G1
Bootz, F1
Landsberg, J1
Goltz, D1
Dietrich, D1
Idorn, M1
Skadborg, SK1
Kellermann, L1
Halldórsdóttir, HR1
Holmen Olofsson, G1
Met, Ö1
Thor Straten, P1
Johnson, LE1
Brockstedt, D1
Leong, M1
Lauer, P1
Theisen, E1
Sauer, JD1
McNeel, DG1
Morandi, F1
Marimpietri, D1
Horenstein, AL1
Bolzoni, M1
Toscani, D1
Costa, F1
Castella, B1
Faini, AC1
Massaia, M1
Pistoia, V1
Giuliani, N1
Malavasi, F1
Qiu, J1
Peng, S1
Yang, A1
Han, L1
Cheng, MA1
Farmer, E1
Hung, CF1
Wu, TC1
Modak, S1
Le Luduec, JB1
Cheung, IY1
Goldman, DA1
Ostrovnaya, I1
Doubrovina, E1
Basu, E1
Kushner, BH1
Kramer, K1
Roberts, SS1
O'Reilly, RJ1
Cheung, NV1
Hsu, KC1
Salgarello, T1
Giudiceandrea, A1
Calandriello, L1
Marangoni, D1
Colotto, A1
Caporossi, A1
Falsini, B1
Lefrançois, P1
Xie, P1
Tetzlaff, MT1
Moreau, L1
Watters, AK1
Netchiporouk, E1
Provost, N1
Gilbert, M1
Ni, X1
Sasseville, D1
Wheeler, DA1
Duvic, M1
Litvinov, IV1
O'Connor, BJ1
Fryda, NJ1
Ranglack, DH1
Yang, Y3
Grün, AL1
Emmerling, C1
Aumeeruddy-Elalfi, Z1
Ismaël, IS1
Hosenally, M1
Zengin, G1
Mahomoodally, MF1
Dotsenko, A1
Gusakov, A1
Rozhkova, A1
Sinitsyna, O1
Shashkov, I1
Sinitsyn, A1
Hong, CE1
Kim, JU1
Lee, JW1
Lee, SW1
Jo, IH1
Pandiyarajan, S1
Premasudha, P1
Kadirvelu, K1
Wang, D1
Ding, R1
Hong, J1
Caviezel, D1
Maissen, S1
Niess, JH1
Kiss, C1
Hruz, P1
Pockes, S1
Wifling, D1
Keller, M1
Buschauer, A1
Elz, S1
Santos, AF1
Ferreira, IP1
Pinheiro, CB1
Santos, VG1
Lopes, MTP1
Teixeira, LR1
Rocha, WR1
Rodrigues, GLS1
Beraldo, H1
Lohar, S1
Dhara, K1
Roy, P1
Sinha Babu, SP1
Chattopadhyay, P1
Sukwong, P1
Sunwoo, IY1
Lee, MJ1
Ra, CH1
Jeong, GT1
Kim, SK2
Huvinen, E1
Eriksson, JG1
Stach-Lempinen, B1
Tiitinen, A1
Koivusalo, SB1
Malhotra, M1
Suresh, S1
Garg, A1
Wei, L1
Jiang, Y3
Zhou, W1
Liu, S2
Rausch-Fan, X1
Marques, WL1
van der Woude, LN1
Luttik, MAH1
van den Broek, M1
Nijenhuis, JM1
Pronk, JT1
van Maris, AJA1
Mans, R1
Gombert, AK1
Xu, A1
Sun, J1
Chen, W3
Zheng, R1
Han, Z1
Ji, L1
Shen, WQ1
Bao, LP1
Hu, SF1
Gao, XJ1
Xie, YP1
Gao, XF1
Huang, WH1
Gostin, PF1
Addison, O1
Morrell, AP1
Cook, AJMC1
Liens, A1
Stoica, M1
Ignatyev, K1
Street, SR1
Wu, J1
Chiu, YL1
Davenport, AJ1
Qiu, Z1
Tang, D1
Huang, K1
Wai, H1
Du, K1
Anesini, J1
Kim, WS1
Eastman, A1
Micalizio, GC1
Liang, JH1
Huo, XK1
Cheng, ZB1
Sun, CP1
Zhao, JC1
Kang, XH1
Zhang, TY1
Yang, TM1
Wu, YY1
Deng, XP1
Zhang, YX1
Salem, HF1
Kharshoum, RM1
Abou-Taleb, HA1
AbouTaleb, HA1
AbouElhassan, KM1
Ohata, C1
Ohyama, B1
Kuwahara, F1
Katayama, E1
Nakama, T1
Kobayashi, S1
Kashiwagi, T1
Kimura, J1
Lin, JD1
Liou, MJ1
Hsu, HL1
Leong, KK1
Chen, YT1
Wang, YR1
Hung, WS1
Lee, HY1
Tsai, HJ1
Tseng, CP1
Alten, B1
Yesiltepe, M1
Bayraktar, E1
Tas, ST1
Gocmen, AY1
Kursungoz, C1
Martinez, A1
Sara, Y1
Adams, E1
Van Schepdael, A1
Chung, CY1
Yang, W1
Yang, G1
Chough, S1
Yin, B1
Bhattacharya, R1
Hu, Y1
Saeui, CT1
Yarema, KJ1
Betenbaugh, MJ1
Patik, JC1
Tucker, WJ1
Curtis, BM1
Nelson, MD1
Nasirian, A1
Park, S1
Brothers, RM1
Dohlmann, TL1
Hindsø, M1
Dela, F1
Helge, JW1
Larsen, S1
Gayani, B1
Dilhari, A1
Wijesinghe, GK1
Kumarage, S1
Abayaweera, G1
Samarakoon, SR1
Perera, IC1
Kottegoda, N1
Weerasekera, MM1
Nardi, MV1
Timpel, M1
Ligorio, G1
Zorn Morales, N1
Chiappini, A1
Toccoli, T1
Verucchi, R1
Ceccato, R1
Pasquali, L1
List-Kratochvil, EJW1
Quaranta, A1
Dirè, S1
Heo, K1
Jo, SH1
Shim, J1
Kang, DH1
Kim, JH1
Park, JH2
Akhtar, N1
Saha, A1
Kumar, V1
Pradhan, N1
Panda, S1
Morla, S1
Kumar, S2
Manna, D1
Xu, E1
Yu, S1
Quan, J1
Xu, L1
Saslow, SA1
Um, W1
Pearce, CI1
Bowden, ME1
Engelhard, MH1
Lukens, WL1
Kim, DS1
Schweiger, MJ1
Kruger, AA1
Adair, LS1
Kuzawa, C1
McDade, T1
Carba, DB1
Borja, JB1
Song, W1
Wang, K1
Zhang, B1
Peele, ME1
Luo, HR1
Chen, ZY1
Fei, JJ1
Du, ZJ1
Yi, KJ1
Im, WT1
Kim, DW1
Ji, X1
Xu, Z1
Ding, Y1
Song, Q1
Li, B2
Zhao, H1
Lee, DW1
Lee, H1
Kwon, BO1
Khim, JS1
Yim, UH1
Park, H1
Park, B1
Choi, IG1
Kim, BS1
Kim, JJ1
Wang, JJ1
Li, YZ1
Sakai, M1
Yamaguchi, M1
Nagao, Y1
Kawachi, N1
Kikuchi, M1
Torikai, K1
Kamiya, T1
Takeda, S1
Watanabe, S1
Takahashi, T1
Arakawa, K1
Nakano, T1
Rufo, S1
Continentino, MA1
Nikolaou, V1
Plass, F1
Planchat, A1
Charisiadis, A1
Charalambidis, G1
Angaridis, PA1
Kahnt, A1
Odobel, F1
Coutsolelos, AG1
Fuentes, I1
García-Mendiola, T1
Sato, S1
Pita, M1
Nakamura, H1
Lorenzo, E1
Teixidor, F1
Marques, F1
Viñas, C1
Liu, F1
Qi, P1
Bird, ST1
Toh, S1
Sahin, L1
Andrade, SE1
Gelperin, K1
Taylor, L1
Hampp, C1
Hamza, H1
El-Shamy, ES1
Elliott, B1
Du, X1
O'Leary, S1
Guang, HJ1
Shi, J1
Rodriguez-Purata, J1
Lee, J1
Whitehouse, M1
Sandler, B1
Copperman, A1
Mukherjee, T1
Cutler, DA1
Shaw, AK1
Pride, SM1
Bedaiwy, MA5
Cheung, AP1
Teede, HJ1
Misso, ML1
Boyle, JA1
Garad, RM1
McAllister, V1
Downes, L1
Gibson, M1
Moran, L1
Dokras, A2
Laven, J1
Piltonen, T1
Rodgers, RJ1
Thondan, M1
Costello, MF2
Mejia, RB1
Summers, KM1
Kresowik, JD1
Van Voorhis, BJ2
Cheng, G1
Eskew, AM1
Bedrick, BS1
Hardi, A1
Stoll, CRT1
Colditz, GA1
Tuuli, MG1
Reyes, R1
Pourghasem, S1
Kutenaee, MA1
Feng, F1
Lu, G1
Oduola, OO1
Ryan, GA1
Umana, E1
Conway, U1
Purandare, N1
Liu, H1
Xiao, Y1
Steiner, N1
Shrem, G1
Tannus, S1
Dahan, SY1
Balayla, J1
Volodarsky-Perel, A1
Tan, SL4
Zhuo, Y1
Cainuo, S1
Sun, B1
Ozdemir, U1
Ozaksit, G1
Cakir Gungor, AN1
Aydogan, M1
Liu, X1
Qu, H1
Cao, W1
Ma, Z1
Yasa, C1
Bastu, E2
Dural, O1
Celik, E1
Ergun, B1
Hu, YJ1
Chen, YZ1
Zhu, YM1
Huang, HF1
Jeon, YE1
Jung, JA1
Kim, HY1
Seo, SK2
Cho, S2
Choi, YS2
Lee, BS2
Lee, VC6
Lee, KF1
Ng, EH8
Yeung, WS5
Li, SJ1
Zhang, YJ1
Chai, XS1
Nie, MF1
Zhou, YY1
Chen, JL1
Tao, GS1
Chai, J1
Balkenende, E1
Linn, S1
Hajishafiha, M1
Dehghan, M1
Kiarang, N1
Sadegh-Asadi, N1
Shayegh, SN1
Ghasemi-Rad, M1
Xiao, J1
Nelen, WL1
Ozcan Cenksoy, P1
Ficicioglu, C1
Kizilkale, O1
Suhha Bostanci, M1
Bakacak, M1
Yesiladali, M1
Kaspar, C1
Nathan, N1
Sullivan, SD1
Liu, A1
Zheng, C1
Lang, J1
Yucel, O1
Ekin, M1
Cengiz, H2
Zebitay, AG1
Yalcinkaya, S1
Karahuseyinoglu, S1
Luco, SM1
Agbo, C1
Behr, B1
Chaudhury, K3
Chaudhury, S1
Khastgir, G1
Purakaystha, S1
Brzyski, RG2
Yan, Q1
Haisenleder, DJ1
Bates, GW5
Lucidi, S1
Snyder, P1
Ohl, D2
Du, B1
Ma, M1
Zhang, Q1
Dumitrescu, A1
Sharma, S2
Ghosh, S1
Singh, S1
Chakravarty, A1
Ganesh, A2
Rajani, S1
Chakravarty, BN2
Xu, XJ1
Zhang, HF1
Shou, XJ1
Jing, WL1
Zhou, Y1
Han, SP1
Han, JS1
Chavira, R1
Warraich, G1
Vause, TD1
Ecklund, LC1
Usadi, RS2
Yun, BH1
Chon, SJ1
Ager, J3
Seungdamrong, A2
Haisonleder, D1
Barnhart, K2
Jin, Y2
Klement, AH1
Spritzer, PM1
Motta, AB1
Sir-Petermann, T1
Diamanti-Kandarakis, E1
Polotsky, AJ1
Allshouse, AA1
Casson, PR2
Oktay, K3
Bedoschi, G1
Pacheco, FS1
Moy, F1
Kauffman, AS1
Thackray, VG1
Ryan, GE1
Tolson, KP1
Glidewell-Kenney, CA1
Semaan, SJ1
Poling, MC1
Iwata, N1
Breen, KM1
Duleba, AJ1
Shimasaki, S1
Webster, NJ1
Mellon, PL1
Pabuccu, EG1
Caglar, GS2
Pabuccu, R1
Haisenleder, D1
Roque, M1
Tostes, AC1
Valle, M1
Sampaio, M1
Geber, S1
Ecemis, T1
Tasci, Y1
Azmoodeh, A1
Pejman Manesh, M1
Akbari Asbagh, F1
Ghaseminejad, A1
Hamzehgardeshi, Z1
Nabati, A1
Peivandi, S1
Khalilian, A1
Mirzaeirad, S1
Hashemi, SA1
Xi, W1
Mao, H1
Xue, X1
Şahin, N1
Apaydın, N1
Töz, E1
Sivrikoz, ON1
Genç, M1
Turan, GA1
Eskicioğlu, F1
Yung, SSF1
Lee, VCY2
Chiu, PCN1
Yeung, WSB2
Wei, LH1
Ma, WH1
Tang, N1
Wei, JH1
Leung, AS1
Zhang, CJ1
Hu, GZ1
Maniu, A2
Nadler, JL1
Kim, SO2
Quon, MJ1
Buyru, F1
Ozsurmeli, M1
Demiral, I1
Dogan, M1
Yeh, J1
Wu, XK1
Wang, YY1
Liu, JP1
Liang, RN1
Xue, HY1
Ma, HX1
Shao, XG1
Li, H1
Liu, P1
Balen, AH1
Morley, LC1
Misso, M1
Franks, S1
Wijeyaratne, CN1
Fauser, BC1
Li, TC1
Hou, Z1
Domingo, J1
Garcia-Velasco, JA3
Aberdeen, G1
Nadler, J1
Fu, L1
Rao, J1
Hassan, A1
Shehata, N1
Wahba, A1
El Hachem, H1
Antaki, R1
Sylvestre, C2
Kadoch, IJ1
Lapensée, L1
Bouet, PE1
Tapia-Rodríguez, M1
Swaab, DF1
Kim, BV1
Olgan, S1
Sun, XJ1
Jiang, L1
Ji, LC1
Nie, R1
Jin, L1
Zhu, GJ1
Qian, K1
Troedsson, MHT1
Bechtejew, TN1
Nadai, MN1
Nastri, CO1
Siristatidis, C1
Dafopoulos, K1
Vrantza, T1
Salamalekis, G1
Basios, G1
Vogiatzi, P1
Pergialiotis, V1
Papantoniou, N1
Ruan, X1
Mueck, AO1
Gerardin, DC1
Piffer, RC1
Garcia, PC1
Moreira, EG1
Pereira, OC1
Baruah, J1
Roy, KK1
Rahman, SM1
Sharma, JB1
Karmakar, D1
Yarali, H1
Esinler, I1
Polat, M1
Bozdag, G1
Tiras, B1
Badawy, A9
Elnashar, A3
Totongy, M2
Mosbah, A2
Tharwat, A1
Eid, M1
Timonin, ME1
Wynne-Edwards, KE1
Shi, YH1
Gao, Q1
Sheng, Y1
Ma, ZX1
Shokeir, T2
Allam, AF1
Abdelhady, H1
Goswami, SK2
Chattopadhyay, R2
Chakravarty, B1
Burch, MG1
Ekerhovd, E1
Lane, MV1
Marshall, GR1
Merchenthaler, I1
Simorangkir, DR1
Pohl, CR1
Plant, TM1
Montville, CP1
Khabbaz, M1
Aubuchon, M1
Williams, DB1
Thomas, MA1
Abu Hashim, H3
Polyzos, NP2
Tzioras, S1
Badawy, AM1
Valachis, A1
Dritsas, C1
Mauri, D1
Ozmen, B1
Sönmezer, M2
Atabekoglu, CS1
Olmus, H1
Baschat, AA1
Harman, CR1
Weiner, CP1
Langenberg, PW1
Asselin-Labat, ML1
Vaillant, F1
Sheridan, JM1
Pal, B1
Wu, D1
Simpson, ER1
Yasuda, H1
Smyth, GK1
Martin, TJ1
Lindeman, GJ1
Visvader, JE1
Mashaly, AM1
Aleyamma, TK1
Chandy, A1
George, K2
Alborzi, S2
Hamedi, B1
Omidvar, A1
Dehbashi, S1
Alborzi, M1
Akar, ME1
Johnston-Macananny, EB1
Carrillo, AJ1
Miller, J1
Yalcinkaya, TM1
Davar, R1
Oskouian, H1
Ahmadi, S1
Firouzabadi, RD1
Bonagura, TW1
Tang, OS3
Abdellah, MS1
Bentov, Y1
Burstein, E1
Esfandiari, N3
Khalaf, Y1
Elassar, A1
He, D1
Abdelaleem, MA1
Hussein, M1
Mousa, N2
Brunengraber, LN1
Fouda, UM2
Sayed, AM2
Papanikolaou, EG1
Pados, G1
Bosch, E1
Tournaye, H1
Tarlatzis, B1
Ramezanzadeh, F1
Nasiri, R1
Sarafraz Yazdi, M1
Baghrei, M1
Chan, CC1
Mitwally, M1
Brzyski, R1
McKnight, KK1
Nodler, JL1
Cooper, JJ1
Chapman, VR1
Cliver, SP1
Banerjee Ray, P1
Ray, A1
Chakraborti, PS1
Jovanovic, VP1
Kort, DH1
Guarnaccia, MM1
Sauer, MV1
Lobo, RA1
Wiser, A1
Shalom-Paz, E1
Reinblatt, SL1
Holzer, H2
El Rakhawy, M1
Abd Elaal, I1
Miller, PB1
Parnell, BA1
Bushnell, G1
Tallman, N1
Forstein, DA1
Higdon, HL1
Kitawaki, J1
Lessey, BA1
Kunselman, AR1
Taylor, HS1
Zadehmodares, S1
Niyakan, M1
Sharafy, SA1
Yazdi, MH1
Jahed, F1
Yeung, TW2
Palatnik, A1
Strawn, E1
Szabo, A1
Robb, P1
Kopp Kallner, H1
Schech, AJ1
Nemieboka, BE1
Brodie, AH1
Lee, S1
Ibrahim, MI1
Moustafa, RA1
Abdel-Azeem, AA1
Skupski, D1
Pourmatroud, E1
Zargar, M1
Nikbakht, R1
Moramazi, F1
Khanna, SC1
Kumar, A1
Joy, SG1
Tanwar, R1
Prasad, S1
Mohsen, IA1
El Din, RE1
Propst, AM1
Chaudhuri, AR1
Chatterjee, S1
Abd Elgafor, I1
Zachos, NC1
Billiar, RB1
Ballard, PL1
Carpenter, KD1
Gray, CA1
Bryan, TM1
Welsh, TH1
Spencer, TE1
de Ziegler, D1
Luthra, R1
Kirma, N1
Jones, J1
Tekmal, RR1
Healey, S1
Biljan, MM2
Shi, SQ1
Given, RL1
von Hertzen, H1
Garfield, RE1
Al-Omari, WR1
Sulaiman, WR1
Al-Hadithi, N1
Reynolds, MA1
Sauk, JJ1
Das, T1
Sawhney, V1
Kumar, J1
Kabir, SN1
Robb, VA2
Al-Fozan, H1
Al-Khadouri, M1
Moreno, L1
Pacheco, A1
Guillén, A1
Duque, L1
Requena, A1
Al-Fadhli, R2
Buckett, W1
Ryan, GL1
Moss, V1
Davis, WA1
Sparks, AE1
Sohrabvand, F1
Ansari, Sh1
Bagheri, M1
Fouad, H1
Eldosoky, M1
Saeid, N1
Martin, J1
Kabli, N1
Forman, R4
Hitkari, J1
Librach, C1
Greenblatt, E1
Jee, BC1
Kim, KC1
Lee, WD1
Mousa, NA2
Al Inany, HG1
Baysoy, A1
Serdaroglu, H1
Jamal, H1
Karatekeli, E1
Ozornek, H1
Attar, E1
Grabia, A1
Papier, S1
Mlayes, L1
Kopelman, S1
Barroso, G1
Menocal, G1
Felix, H1
Rojas-Ruiz, JC1
Arslan, M1
Oehninger, S1
Begum, MR2
Quadir, E2
Begum, A2
Begum, RA1
Begum, M1
Belosay, A1
Brodie, AM1
Njar, VC1
Conley, AJ1
Corbin, CJ1
Browne, P1
Mapes, SM1
Place, NJ1
Hughes, AL1
Glickman, SE1
Ortiz, ME1
Ortiz, RE1
Garfield, R1
Zepeda, AJ1
Croxatto, HB1
Azim, A1
Schoolcraft, WB1
Surrey, ES1
Minjarez, DA1
Stevens, JM1
Gardner, DK1
Kafy, S1
Metwally, M1
Fawzy, M1
Kafali, H1
Iriadam, M1
Abdel Aal, I1
Abulatta, M1
Shady, M1
Gill, S1
Moretti, M2
Koren, G2
Quintero, RB2
Urban, R2
Westphal, LM1
Atabekoglu, C1
Gregoriou, O1
Vlahos, NF1
Konidaris, S1
Papadias, K1
Botsis, D1
Creatsas, GK1
Lee, TH1
Lin, YH1
Seow, KM1
Hwang, JL1
Tzeng, CR1
Yang, YS1
Noriega-Portella, L1
Noriega-Hoces, L1
Delgado, A1
Rubio, J1
Gonzales-Castañeda, C1
Gonzales, GF1
Ferdous, J1
Nader, S1
Gill, SK1
Sh Tehrani Nejad, E1
Abediasl, Z1
Rashidi, BH1
Azimi Nekoo, E1
Shariat, M1
Amirchaghmaghi, E1
Belaisch, J1
Tiboni, GM1
Marotta, F1
Rossi, C1
Giampietro, F1
Shokry, M1
Claessens, A1
Gotleib, L1
Lang, M1
Batzl, C1
Furet, P1
Bowman, R1
Häusler, A1
Bhatnagar, AS1
Richard-Mercier, N1
Dorizzi, M1
Desvages, G1
Girondot, M1
Pieau, C1
Shetty, G1
Krishnamurthy, H1
Krishnamurthy, HN1
Bhatnagar, S1
Moudgal, RN1
Mor, G1
Yue, W1
Santen, RJ1
Gutierrez, L1
Eliza, M1
Berstein, LM1
Harada, N1
Lysiak, J1
Diano, S1
Naftolin, F1
Burleigh, DW1
Mayhew, TM1
Rosenthal, MD1

Clinical Trials (58)

Trial Overview

TrialPhaseEnrollmentStudy TypeStart DateStatus
Reducing the Impact of Ovarian Stimulation - The RIOT Project. Study RIOT-A: The Role of Aromatase Inhibitor in Reducing the Detrimental Effects of Ovarian Stimulation to Optimize Outcomes in Fresh Embryo Transfer Cycles[NCT02946684]Phase 2/Phase 3129 participants (Actual)Interventional2017-02-01Completed
Reducing the Impact of Ovarian Stimulation - The RIOT Project Study RIOT-B: Mapping the Endocrine Determinants of Ovarian Stimulation to Optimize Outcomes in Fresh Embryo Transfer Cycles[NCT02939898]Phase 2/Phase 333 participants (Actual)Interventional2016-08-31Completed
Hormonal Replacement Therapy Plus Letrozole Incorporation Versus Letrozole Mild Ovarian Stimulation in Endometrial Preparation for Frozen Embryo Transfer: A Randomised Controlled Trial[NCT06181305]Phase 4210 participants (Anticipated)Interventional2023-12-12Not yet recruiting
A Randomized Trial of Letrozole as an Adjunct to Follicle Stimulating Hormone in Stimulated in Vitro Fertilization Cycles[NCT02912988]Phase 3900 participants (Actual)Interventional2018-03-01Completed
Administration of Single High Dose Letrozole for Ovulation Induction - A Randomized Controlled Trial[NCT02703649]Phase 436 participants (Actual)Interventional2016-03-31Completed
Laparoscopic Ovarian Drilling Versus Letrozole In Clomiphene Citrate Resistant Polycystic Ovary: A Randomized Controlled Trial[NCT03664050]Phase 390 participants (Anticipated)Interventional2018-01-01Recruiting
Efficacy of Combined Letrozole-metformin in Comparison With Letrozole Only in Clomiphene Resistant Infertile Women With Polycystic Ovarian Syndrome[NCT03135301]Phase 380 participants (Anticipated)Interventional2017-06-20Recruiting
Dosage Optimization for Letrozole Treatment in Clomiphene Resistant Patients With Polycystic Ovary Syndrome: A Prospective Interventional Study[NCT01315912]Phase 444 participants (Actual)Interventional2008-01-31Completed
A Multicenter Randomized Trial of Personalized Acupuncture, Fixed Acupuncture, Letrozole and Placebo on Live Birth for Infertility in Women With Polycystic Ovary Syndrome[NCT03625531]Phase 31,100 participants (Anticipated)Interventional2018-08-13Recruiting
Intrauterine Insemination With Letrozole Versus Intrauterine Insemination in Natural Cycle. A Randomised Controlled Trial[NCT03455426]100 participants (Actual)Interventional2018-03-15Completed
Letrozole Versus Laparoscopic Ovarian Drilling for Clomiphene-resistant Women With Polycystic Ovary Syndrome[NCT03009838]Phase 3150 participants (Anticipated)Interventional2017-01-02Recruiting
To Investigate the Effectiveness of Adjuvant Supplements Prior to in Vitro Fertilization Cycles[NCT05471453]90 participants (Anticipated)Interventional2022-03-02Recruiting
Effects of Autologous Intraovarian Platelet Rich Plasma in Women With Poor Ovarian Response[NCT04797377]66 participants (Actual)Interventional2021-03-16Completed
Sublingual vs Vaginal Misoprostol for Termination of First Trimesteric Missed Abortion[NCT05001061]Early Phase 1288 participants (Anticipated)Interventional2021-08-03Not yet recruiting
Assessment of Multiple Intrauterine Gestations From Ovarian Stimulation[NCT01044862]Phase 3900 participants (Actual)Interventional2010-06-30Completed
Double Blind Cross-over Randomized Controlled Trial Comparing Letrozole Versus Clomifene Citrate for Ovulation Induction in Women With Polycystic Ovarian Syndrome[NCT00478504]Phase 4159 participants (Actual)Interventional2007-05-31Completed
The Impact of the Intensity of Ovarian Stimulation on Embryo Quality in Predicted Suboptimal Responders. A Randomized Controlled Trial[NCT04983173]Phase 4110 participants (Anticipated)Interventional2021-11-23Recruiting
The Use of Letrozole or Mifepristone for Pretreatment of Medical Termination of Pregnancy: a Randomized, Non-inferiority Trial[NCT05341817]Phase 4144 participants (Anticipated)Interventional2022-11-22Recruiting
Follicular Synchronization in Polycystic Ovarian Syndrome Patients Undergoing Intracytoplasmatic Sperm Injection With Letrozole /Antagonist Protocol: A Randomized Controlled Trial[NCT04069117]Phase 4200 participants (Actual)Interventional2019-08-01Completed
Graceful Lifestyle Changes Intervention Study for Women With PCOS and Infertility[NCT02630485]240 participants (Anticipated)Interventional2015-12-31Not yet recruiting
Combined Letrozole and Clomid in Polycystic Ovary Syndrome: a Randomized Control Trial of Combination of Letrozole and Clomiphene Citrate or Letrozole Alone for the Treatment of Infertility in Women With Polycystic Ovary Syndrome[NCT02802865]Phase 470 participants (Actual)Interventional2016-08-31Completed
Gonadotropin-releasing Hormone Agonist Combined With Letrozole Compared With Megestrol Acetate or Medroxyprogesterone Acetate Alone as Fertility-sparing Treatment in Early Endometrial Cancer[NCT05247268]Phase 2104 participants (Anticipated)Interventional2022-03-11Recruiting
COmbining Oral Letrozole and Clomiphene for Ovarian Stimulation (COOL-COS) Associated With Corifollitropin Alfa: a Pilot Study[NCT02448459]Phase 140 participants (Actual)Interventional2015-05-31Completed
Evaluation of a Simplified Low-cost and Friendly Controlled Ovarian Stimulation Combining Oral Letrozole and Clomiphene Citrate: a Pilot Study[NCT02288143]Phase 428 participants (Actual)Interventional2015-01-31Completed
Letrozole and Sequential Clomiphene to Improve the Outcome of Embryo Transfer in Polycystic Ovary Syndrome (PCOS) Patients[NCT02775877]100 participants (Anticipated)Interventional2016-05-31Recruiting
Comparison of Tamoxifen and Clomiphene Citrate in Mild Stimulation IVF: a Prospective Cohort Study[NCT02690870]Phase 4210 participants (Anticipated)Interventional2017-01-31Not yet recruiting
Is the Co-administration of Metformine and CC as Compared to Placebo and CC Superior to Induce Ovulation in PCOS Patients With a Confirmed insulin-resistant-a Double Blind Randomized Clinical Trial[NCT02523898]Phase 2388 participants (Anticipated)Interventional2015-11-30Enrolling by invitation
A 20 Week Double-Blind Randomized Trial of Clomiphene Citrate and Letrozole for the Treatment of Infertility in Women With Polycystic Ovary Syndrome[NCT00719186]Phase 3750 participants (Actual)Interventional2009-02-28Completed
Effect of Acupuncture Pre-treatment Combined With Letrozole on Live Birth in Infertile Women With Polycystic Ovary Syndrome[NCT02491320]Phase 3384 participants (Actual)Interventional2015-08-31Completed
Efficiency and Safety Study of Ovarian Stimulation With Letrozole for Fertility Preservation in Breast Cancer Patients[NCT02661932]Phase 465 participants (Actual)Interventional2012-11-30Active, not recruiting
Safety of Ovarian Stimulation With Letrozole and Gonadotropins in Breast Cancer Patients Undergoing Embryo or Oocyte Cryopreservation: A Prospective Controlled Follow up Study[NCT00504699]120 participants (Actual)Interventional2002-01-31Terminated (stopped due to The PI left the Institution.)
The Effectiveness of Using Letrozole Prior to Misoprostol Versus Misoprostol Alone for Successful Induction of Medical Abortion: A Randomized Controlled Trial[NCT04194658]Phase 2150 participants (Anticipated)Interventional2020-01-31Not yet recruiting
Department of Obstetrics and Gynecology, Kaohsiung Veterans General Hospital[NCT03238833]96 participants (Actual)Interventional2017-05-03Completed
Prospective, Randomized Trial Comparing Luteal Phase Ovarian Stimulation, and Luteal Estradiol Priming Protocol for Patients With Diminished Ovarian Reserve - The LUTEAL Trial[NCT04447872]142 participants (Anticipated)Interventional2020-09-15Recruiting
Clinical Effect of Follicular Preparation With Testosterone in Poor Ovarian Response: a Randomized Controlled Clinical Trial (TESTOPRIM)[NCT03378713]Phase 363 participants (Actual)Interventional2017-08-07Completed
Comparison Between Letrozole and Urinary Purified FSH in Women With Clomiphene Citrate Resistant Polycystic Ovarian Syndrome: A Randomised Controlled Trial[NCT02304107]Phase 3140 participants (Actual)Interventional2013-05-31Completed
Extended High Dose Letrozole Regimen Versus Short Low Dose Letrozole Regimen as an Adjuvant to GnRH Antagonist Protocol in the Management of Patients With Poor Ovarian Response Undergoing IVF-ET, a Randomized Controlled Trial[NCT01219153]Phase 2136 participants (Actual)Interventional2008-09-30Completed
Extended Letrozole Regimen Versus Clomiphene Citrate for Superovulation in Patients With Unexplained Infertility Undergoing Intrauterine Insemination[NCT01232075]Phase 2214 participants (Actual)Interventional2008-09-30Completed
Extended Letrozole Regimen Co-treatment With Gonadotropin Releasing Hormone Antagonist Protocol Versus Gonadotropin Releasing Hormone Antagonist Protocol in Poor Responders Undergoing IVF-ET. A Randomized Controlled Trial[NCT04268927]Phase 2106 participants (Anticipated)Interventional2018-04-01Recruiting
"Supplementation of the Luteal Phase With Vaginal Progesterone (Crinone 8%) in Women With Polycystic Ovary Syndrome Undergoing Ovulation Induction With Letrozole: A Prospective and Randomized Controlled Trial"[NCT03440359]Phase 2/Phase 352 participants (Actual)Interventional2012-07-06Completed
The Randomized Clinical Trials of Letrozole Administration During Luteal Phase in Patients Who Have the Risk of Ovarian Hyperstimulation Syndrome[NCT02686151]Phase 350 participants (Anticipated)Interventional2023-12-31Not yet recruiting
Phase II Randomized Study of Neoadjuvant Metformin Plus Letrozole vs Placebo Plus Letrozole for ER-positive Postmenopausal Breast Cancer[NCT01589367]Phase 2208 participants (Actual)Interventional2012-05-31Completed
A Scientific & Clinical Review of Minimal Stimulation Protocol Using AROMEK (Letrozole) and Follitrope (Recombinant FSH)Combined With INVOCell(Intravaginal Culturing) - Effectiveness as Low Cost IVF[NCT01058252]30 participants (Anticipated)Observational2021-05-31Recruiting
Randomized Controlled Trial on Use of Letrozole in the Medical Management of Tubal Ectopic Pregnancies[NCT04341545]Phase 3214 participants (Anticipated)Interventional2020-12-01Recruiting
Study at Zagazig General Hospital[NCT04593108]320 participants (Anticipated)Observational2019-01-15Active, not recruiting
Letrozole Plus Misoprostol Versus Misoprostol Alone in Induction of Abortion of Anembryonic Pregnancy:[NCT05198050]96 participants (Actual)Interventional2022-04-03Completed
Clomiphene Citrate Plus HPuFSH Versus Letrozole Plus HPuFSH in Clomid Resistant Infertile PCOS Women[NCT01793038]160 participants (Anticipated)Interventional2013-03-31Recruiting
Effect of Dehydroepiandrosterone on Live Birth Rate in Subfertile Patients With Poor Ovarian Responds[NCT02432248]350 participants (Anticipated)Interventional2015-02-28Recruiting
Comparison Between the Role of Follicular Output Rate and Preovulatory Count in the Prediction of Pregnancy in Women With Polycystic Ovarian Syndrome Undergoing Intra Cytoplasmic Sperm Injection (ICSI)[NCT02190006]300 participants (Anticipated)Observational2014-07-31Recruiting
Letrozole and CC Alone in an IUI Program in Women With Surgically Treated Minimal to Mild Endometriosis[NCT01334762]136 participants (Actual)Interventional2007-05-31Completed
A Randomized Controlled Study to Compare the Outcome of Two Protocols Used to Prepare the Endometrium for Frozen Embryo Transfer[NCT04507022]Phase 4112 participants (Actual)Interventional2020-08-12Completed
Letrozole Versus Combined Metformin and Clomiphene Citrate for Ovulation Induction in Clomiphene-Resistant Women With Polycystic Ovary Syndrome[NCT00911313]250 participants (Actual)Interventional2006-06-30Completed
Letrozole Versus Laparoscopic Ovarian Diathermy for Ovulation Induction in Clomiphene-resistant Women With Polycystic Ovary Syndrome[NCT00956267]260 participants (Actual)Interventional2006-08-31Completed
Comparison Between Stimulated Intrauterine Insemination Cycles and Unstimulated Intrauterine Insemination Cycles in Couples With Unexplained Infertility[NCT02461173]Phase 3450 participants (Anticipated)Interventional2015-06-30Recruiting
Stimulated Versus Un-stimulated Intrauterine Insemination Cycles in Couples With Mild Male Factor Infertility: A Randomized Controlled Trial[NCT02469805]Phase 3450 participants (Anticipated)Interventional2015-06-30Recruiting
Stimulated Versus Un-stimulated Intrauterine Insemination Cycles in Women With Endometriosis: A Randomized Controlled Trial[NCT02470169]Phase 3450 participants (Anticipated)Interventional2015-06-30Recruiting
Use of High Cost Monitoring During Letrozole Ovulation Induction and Effect on Pregnancy Rates - A Pilot Study[NCT01279200]Phase 421 participants (Actual)Interventional2011-01-31Completed
Role of Aromatase Inhibitor to Enhance Ovulation in Poor Responder During Induction With Short Antagonist Protocol in Cases of ICSI(Intracytoplasmic Sperm Injection) a Case Control Study[NCT02741154]Phase 450 participants (Actual)Interventional2016-08-12Completed
[information is prepared from clinicaltrials.gov, extracted Sep-2024]

Trial Outcomes

Live Birth Rate

(NCT01044862)
Timeframe: Participants were followed for the duration of their treatment and, if pregnant through 6 weeks post-delivery, up to 66 weeks

Interventionparticipants (Number)
Aromatase Inhibitors (AI)56
Clomiphene Citrate (CC)70
Follicle Stimulating Hormone (FSH)97

Multiple Gestation Rate Following Recruitment of Multiple Follicular Development With an AI, as Compared to CC and FSH.

(NCT01044862)
Timeframe: Participants were followed for the duration of their treatment and, if pregnant through 6 weeks post-delivery, up to 66 weeks

Interventionnumber of multiples (Number)
Aromatase Inhibitors (AI)9
Clomiphene Citrate (CC)8
Follicle Stimulating Hormone (FSH)34

Rate of Pregnancy Obtained

(NCT01044862)
Timeframe: Participants were followed for the duration of their treatment and, if pregnant through 6 weeks post-delivery, up to 66 weeks

Interventionparticipants (Number)
Aromatase Inhibitors (AI)85
Clomiphene Citrate (CC)106
Follicle Stimulating Hormone (FSH)140

Time to Pregnancy

(NCT01044862)
Timeframe: Participants were followed for the duration of their treatment and, if pregnant through 6 weeks post-delivery, up to 66 weeks

Interventiondays (Mean)
Aromatase Inhibitors (AI)67.2
Clomiphene Citrate (CC)67.4
Follicle Stimulating Hormone (FSH)62.3

Clinical Pregnancy

Clinical Pregnancy: an intrauterine pregnancy with fetal heart motion determined by ultrasonography; No Clinical Pregnancy: no intrauterine pregnancy with fetal heart motion determined by ultrasonography (NCT02802865)
Timeframe: 6-7 weeks after treatment

InterventionParticipants (Count of Participants)
Letrozole1
Letrozole + Clomiphene3

Conception

Conception: a positive serum or urinary test of hCG; No conception: Neither a positive serum or urinary test of hCG (NCT02802865)
Timeframe: 5 weeks after treatment

InterventionParticipants (Count of Participants)
Letrozole3
Letrozole + Clomiphene4

Endometrial Thickness

Thickness of endometrial lining assessed by ultrasound (NCT02802865)
Timeframe: Cycle day 12-14

Interventionmm (Mean)
Letrozole6.2
Letrozole + Clomiphene8.3

Live Birth

Live Birth: delivery of a live infant; No Live Birth: no delivery of a live infant (NCT02802865)
Timeframe: 9-10 months after treatment

InterventionParticipants (Count of Participants)
Letrozole1
Letrozole + Clomiphene3

Multiple Gestation

Multiple Gestation: an intrauterine pregnancy with multiple fetal heart rates determined by ultrasonography; No Multiple Gestation: either no intrauterine pregnancy, or an intrauterine pregnancy with a single fetal heart rate determined by ultrasonography (NCT02802865)
Timeframe: 9-10 months after treatment

InterventionParticipants (Count of Participants)
Letrozole0
Letrozole + Clomiphene0

Number of Developing Follicles

Number of follicles measuring > 10mm on ultrasound (NCT02802865)
Timeframe: Cycle day 12-14

Interventionfollicles (Median)
Letrozole0
Letrozole + Clomiphene1

Number of Participants Achieving Ovulation Measured by Mid-luteal Progesterone Level

Ovulation: mid-luteal progesterone > /=3 ng/mL. No ovulation: mid-luteal progesterone <3ng/mL. (NCT02802865)
Timeframe: 7 days following LH surge or at cycle day 21 if no LH surge was detected

InterventionParticipants (Count of Participants)
Letrozole15
Letrozole + Clomiphene27

Pregnancy Loss

Pregnancy Loss: any pregnancy loss including biochemical pregnancy, ectopic pregnancy, and miscarriage; No Pregnancy Loss: no pregnancy loss including biochemical pregnancy, ectopic pregnancy, or miscarriage. (NCT02802865)
Timeframe: 9-10 months after treatment

InterventionParticipants (Count of Participants)
Letrozole2
Letrozole + Clomiphene1

Size of Largest Developing Follicle

Size of largest follicle on ultrasound (NCT02802865)
Timeframe: Cycle day 12-14

Interventionmm (Median)
Letrozole10
Letrozole + Clomiphene16

Live Birth

The primary outcome measure is the occurrence of a live birth during the study period. Safety measures will be the number and type of reported adverse events in subjects and offspring. (NCT00719186)
Timeframe: as few as 5 months, up to 16 months

InterventionParticipants (Count of Participants)
Arm A: Clomiphene Citrate72
Arm B: Letrozole103

Number of Ovulations

(NCT00719186)
Timeframe: as few as 5 months, up to 16 months

Interventionovulations (Number)
Arm A: Clomiphene Citrate331
Arm B: Letrozole388

Number of Pregnancy

(NCT00719186)
Timeframe: as few as 5 months, up to 16 months

InterventionParticipants (Count of Participants)
Arm A: Clomiphene Citrate103
Arm B: Letrozole154

Number of Serious Adverse Events

(NCT00719186)
Timeframe: as few as 5 months, up to 16 months

Interventionevents (Number)
Arm A: Clomiphene Citrate13
Arm B: Letrozole22

Neonatal Complication Rate

(NCT00719186)
Timeframe: September 2008 - December 2011

,
Interventionparticipants (Number)
Neonatal jaundiceNeonatal respiratory distress syndromeNeonatal hospitalization >3 daysIntrauterine growth restrictionNeonatal infectinMinor birth defectOther complicationCongenital anomalyNeonatal death
Arm A: Clomiphene Citrate1724120412
Arm B: Letrozole2774521541

Pregnancy Success Rate

Percentage of women in each arm who became pregnant within the study time frame. (NCT01279200)
Timeframe: 3 menstrual/treatment cycles (approximately 28-33 days each)

Interventionpercentage of participants (Number)
Urinary LH Kits75
Midcycle Ultrasound + hCG Injection25

Time to Conception, Measured in Cycles

Cycles means treatment/menstrual cycles, approximately 28-33 days. (NCT01279200)
Timeframe: 3 menstrual/treatment cycles, or upon conception, whichever comes first

Interventionmenstrual cycles (Mean)
Urinary LH Kits1.83
Midcycle Ultrasound + hCG Injection1

Reviews

61 reviews available for letrozole and Pregnancy

ArticleYear
Co-treatment with letrozole during ovarian stimulation for IVF/ICSI: a systematic review and meta-analysis.
    Reproductive biomedicine online, 2022, Volume: 44, Issue:4

    Topics: Female; Fertilization in Vitro; Humans; Letrozole; Live Birth; Ovulation Induction; Pregnancy; Pregn

2022
Live birth after letrozole as an adjunct to follicle-stimulating hormone versus follicle-stimulating hormone alone for ovarian stimulation in in vitro fertilisation cycles-study protocol for a randomised controlled trial.
    Trials, 2022, Apr-01, Volume: 23, Issue:1

    Topics: Drug Therapy, Combination; Female; Fertilization in Vitro; Follicle Stimulating Hormone; Humans; Inf

2022
Efficacy and safety of letrozole or anastrozole in the treatment of male infertility with low testosterone-estradiol ratio: A meta-analysis and systematic review.
    Andrology, 2022, Volume: 10, Issue:5

    Topics: Anastrozole; Estradiol; Female; Follicle Stimulating Hormone; Humans; Infertility, Male; Letrozole;

2022
Ovarian stimulation strategies for intrauterine insemination in couples with unexplained infertility: a systematic review and individual participant data meta-analysis.
    Human reproduction update, 2022, 08-25, Volume: 28, Issue:5

    Topics: Clomiphene; Female; Fertility Agents, Female; Gonadotropins; Humans; Infertility; Infertility, Femal

2022
Luteal phase support for women trying to conceive by intrauterine insemination or sexual intercourse.
    The Cochrane database of systematic reviews, 2022, 08-24, Volume: 8

    Topics: Abortion, Spontaneous; Chorionic Gonadotropin; Clomiphene; Coitus; Female; Gonadotropin-Releasing Ho

2022
Aromatase inhibitors (letrozole) for ovulation induction in infertile women with polycystic ovary syndrome.
    The Cochrane database of systematic reviews, 2022, 09-27, Volume: 9

    Topics: Abortion, Spontaneous; Anovulation; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Fema

2022
Aromatase inhibitors (letrozole) for ovulation induction in infertile women with polycystic ovary syndrome.
    The Cochrane database of systematic reviews, 2022, 09-27, Volume: 9

    Topics: Abortion, Spontaneous; Anovulation; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Fema

2022
Aromatase inhibitors (letrozole) for ovulation induction in infertile women with polycystic ovary syndrome.
    The Cochrane database of systematic reviews, 2022, 09-27, Volume: 9

    Topics: Abortion, Spontaneous; Anovulation; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Fema

2022
Aromatase inhibitors (letrozole) for ovulation induction in infertile women with polycystic ovary syndrome.
    The Cochrane database of systematic reviews, 2022, 09-27, Volume: 9

    Topics: Abortion, Spontaneous; Anovulation; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Fema

2022
Aromatase inhibitors (letrozole) for ovulation induction in infertile women with polycystic ovary syndrome.
    The Cochrane database of systematic reviews, 2022, 09-27, Volume: 9

    Topics: Abortion, Spontaneous; Anovulation; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Fema

2022
Aromatase inhibitors (letrozole) for ovulation induction in infertile women with polycystic ovary syndrome.
    The Cochrane database of systematic reviews, 2022, 09-27, Volume: 9

    Topics: Abortion, Spontaneous; Anovulation; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Fema

2022
Aromatase inhibitors (letrozole) for ovulation induction in infertile women with polycystic ovary syndrome.
    The Cochrane database of systematic reviews, 2022, 09-27, Volume: 9

    Topics: Abortion, Spontaneous; Anovulation; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Fema

2022
Aromatase inhibitors (letrozole) for ovulation induction in infertile women with polycystic ovary syndrome.
    The Cochrane database of systematic reviews, 2022, 09-27, Volume: 9

    Topics: Abortion, Spontaneous; Anovulation; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Fema

2022
Aromatase inhibitors (letrozole) for ovulation induction in infertile women with polycystic ovary syndrome.
    The Cochrane database of systematic reviews, 2022, 09-27, Volume: 9

    Topics: Abortion, Spontaneous; Anovulation; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Fema

2022
Aromatase inhibitors (letrozole) for ovulation induction in infertile women with polycystic ovary syndrome.
    The Cochrane database of systematic reviews, 2022, 09-27, Volume: 9

    Topics: Abortion, Spontaneous; Anovulation; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Fema

2022
Aromatase inhibitors (letrozole) for ovulation induction in infertile women with polycystic ovary syndrome.
    The Cochrane database of systematic reviews, 2022, 09-27, Volume: 9

    Topics: Abortion, Spontaneous; Anovulation; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Fema

2022
Aromatase inhibitors (letrozole) for ovulation induction in infertile women with polycystic ovary syndrome.
    The Cochrane database of systematic reviews, 2022, 09-27, Volume: 9

    Topics: Abortion, Spontaneous; Anovulation; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Fema

2022
Aromatase inhibitors (letrozole) for ovulation induction in infertile women with polycystic ovary syndrome.
    The Cochrane database of systematic reviews, 2022, 09-27, Volume: 9

    Topics: Abortion, Spontaneous; Anovulation; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Fema

2022
Aromatase inhibitors (letrozole) for ovulation induction in infertile women with polycystic ovary syndrome.
    The Cochrane database of systematic reviews, 2022, 09-27, Volume: 9

    Topics: Abortion, Spontaneous; Anovulation; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Fema

2022
Aromatase inhibitors (letrozole) for ovulation induction in infertile women with polycystic ovary syndrome.
    The Cochrane database of systematic reviews, 2022, 09-27, Volume: 9

    Topics: Abortion, Spontaneous; Anovulation; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Fema

2022
Aromatase inhibitors (letrozole) for ovulation induction in infertile women with polycystic ovary syndrome.
    The Cochrane database of systematic reviews, 2022, 09-27, Volume: 9

    Topics: Abortion, Spontaneous; Anovulation; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Fema

2022
Aromatase inhibitors (letrozole) for ovulation induction in infertile women with polycystic ovary syndrome.
    The Cochrane database of systematic reviews, 2022, 09-27, Volume: 9

    Topics: Abortion, Spontaneous; Anovulation; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Fema

2022
Aromatase inhibitors (letrozole) for ovulation induction in infertile women with polycystic ovary syndrome.
    The Cochrane database of systematic reviews, 2022, 09-27, Volume: 9

    Topics: Abortion, Spontaneous; Anovulation; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Fema

2022
Aromatase inhibitors (letrozole) for ovulation induction in infertile women with polycystic ovary syndrome.
    The Cochrane database of systematic reviews, 2022, 09-27, Volume: 9

    Topics: Abortion, Spontaneous; Anovulation; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Fema

2022
Aromatase inhibitors (letrozole) for ovulation induction in infertile women with polycystic ovary syndrome.
    The Cochrane database of systematic reviews, 2022, 09-27, Volume: 9

    Topics: Abortion, Spontaneous; Anovulation; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Fema

2022
Aromatase inhibitors (letrozole) for ovulation induction in infertile women with polycystic ovary syndrome.
    The Cochrane database of systematic reviews, 2022, 09-27, Volume: 9

    Topics: Abortion, Spontaneous; Anovulation; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Fema

2022
Aromatase inhibitors (letrozole) for ovulation induction in infertile women with polycystic ovary syndrome.
    The Cochrane database of systematic reviews, 2022, 09-27, Volume: 9

    Topics: Abortion, Spontaneous; Anovulation; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Fema

2022
Aromatase inhibitors (letrozole) for ovulation induction in infertile women with polycystic ovary syndrome.
    The Cochrane database of systematic reviews, 2022, 09-27, Volume: 9

    Topics: Abortion, Spontaneous; Anovulation; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Fema

2022
Aromatase inhibitors (letrozole) for ovulation induction in infertile women with polycystic ovary syndrome.
    The Cochrane database of systematic reviews, 2022, 09-27, Volume: 9

    Topics: Abortion, Spontaneous; Anovulation; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Fema

2022
Aromatase inhibitors (letrozole) for ovulation induction in infertile women with polycystic ovary syndrome.
    The Cochrane database of systematic reviews, 2022, 09-27, Volume: 9

    Topics: Abortion, Spontaneous; Anovulation; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Fema

2022
Aromatase inhibitors (letrozole) for ovulation induction in infertile women with polycystic ovary syndrome.
    The Cochrane database of systematic reviews, 2022, 09-27, Volume: 9

    Topics: Abortion, Spontaneous; Anovulation; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Fema

2022
Aromatase inhibitors (letrozole) for ovulation induction in infertile women with polycystic ovary syndrome.
    The Cochrane database of systematic reviews, 2022, 09-27, Volume: 9

    Topics: Abortion, Spontaneous; Anovulation; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Fema

2022
Aromatase inhibitors (letrozole) for ovulation induction in infertile women with polycystic ovary syndrome.
    The Cochrane database of systematic reviews, 2022, 09-27, Volume: 9

    Topics: Abortion, Spontaneous; Anovulation; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Fema

2022
Aromatase inhibitors (letrozole) for ovulation induction in infertile women with polycystic ovary syndrome.
    The Cochrane database of systematic reviews, 2022, 09-27, Volume: 9

    Topics: Abortion, Spontaneous; Anovulation; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Fema

2022
Aromatase inhibitors (letrozole) for ovulation induction in infertile women with polycystic ovary syndrome.
    The Cochrane database of systematic reviews, 2022, 09-27, Volume: 9

    Topics: Abortion, Spontaneous; Anovulation; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Fema

2022
Aromatase inhibitors (letrozole) for ovulation induction in infertile women with polycystic ovary syndrome.
    The Cochrane database of systematic reviews, 2022, 09-27, Volume: 9

    Topics: Abortion, Spontaneous; Anovulation; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Fema

2022
Aromatase inhibitors (letrozole) for ovulation induction in infertile women with polycystic ovary syndrome.
    The Cochrane database of systematic reviews, 2022, 09-27, Volume: 9

    Topics: Abortion, Spontaneous; Anovulation; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Fema

2022
Aromatase inhibitors (letrozole) for ovulation induction in infertile women with polycystic ovary syndrome.
    The Cochrane database of systematic reviews, 2022, 09-27, Volume: 9

    Topics: Abortion, Spontaneous; Anovulation; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Fema

2022
Aromatase inhibitors (letrozole) for ovulation induction in infertile women with polycystic ovary syndrome.
    The Cochrane database of systematic reviews, 2022, 09-27, Volume: 9

    Topics: Abortion, Spontaneous; Anovulation; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Fema

2022
Aromatase inhibitors (letrozole) for ovulation induction in infertile women with polycystic ovary syndrome.
    The Cochrane database of systematic reviews, 2022, 09-27, Volume: 9

    Topics: Abortion, Spontaneous; Anovulation; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Fema

2022
Aromatase inhibitors (letrozole) for ovulation induction in infertile women with polycystic ovary syndrome.
    The Cochrane database of systematic reviews, 2022, 09-27, Volume: 9

    Topics: Abortion, Spontaneous; Anovulation; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Fema

2022
Aromatase inhibitors (letrozole) for ovulation induction in infertile women with polycystic ovary syndrome.
    The Cochrane database of systematic reviews, 2022, 09-27, Volume: 9

    Topics: Abortion, Spontaneous; Anovulation; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Fema

2022
Aromatase inhibitors (letrozole) for ovulation induction in infertile women with polycystic ovary syndrome.
    The Cochrane database of systematic reviews, 2022, 09-27, Volume: 9

    Topics: Abortion, Spontaneous; Anovulation; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Fema

2022
Aromatase inhibitors (letrozole) for ovulation induction in infertile women with polycystic ovary syndrome.
    The Cochrane database of systematic reviews, 2022, 09-27, Volume: 9

    Topics: Abortion, Spontaneous; Anovulation; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Fema

2022
Aromatase inhibitors (letrozole) for ovulation induction in infertile women with polycystic ovary syndrome.
    The Cochrane database of systematic reviews, 2022, 09-27, Volume: 9

    Topics: Abortion, Spontaneous; Anovulation; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Fema

2022
Aromatase inhibitors (letrozole) for ovulation induction in infertile women with polycystic ovary syndrome.
    The Cochrane database of systematic reviews, 2022, 09-27, Volume: 9

    Topics: Abortion, Spontaneous; Anovulation; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Fema

2022
Aromatase inhibitors (letrozole) for ovulation induction in infertile women with polycystic ovary syndrome.
    The Cochrane database of systematic reviews, 2022, 09-27, Volume: 9

    Topics: Abortion, Spontaneous; Anovulation; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Fema

2022
Aromatase inhibitors (letrozole) for ovulation induction in infertile women with polycystic ovary syndrome.
    The Cochrane database of systematic reviews, 2022, 09-27, Volume: 9

    Topics: Abortion, Spontaneous; Anovulation; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Fema

2022
Aromatase inhibitors (letrozole) for ovulation induction in infertile women with polycystic ovary syndrome.
    The Cochrane database of systematic reviews, 2022, 09-27, Volume: 9

    Topics: Abortion, Spontaneous; Anovulation; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Fema

2022
Aromatase inhibitors (letrozole) for ovulation induction in infertile women with polycystic ovary syndrome.
    The Cochrane database of systematic reviews, 2022, 09-27, Volume: 9

    Topics: Abortion, Spontaneous; Anovulation; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Fema

2022
Aromatase inhibitors (letrozole) for ovulation induction in infertile women with polycystic ovary syndrome.
    The Cochrane database of systematic reviews, 2022, 09-27, Volume: 9

    Topics: Abortion, Spontaneous; Anovulation; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Fema

2022
Aromatase inhibitors (letrozole) for ovulation induction in infertile women with polycystic ovary syndrome.
    The Cochrane database of systematic reviews, 2022, 09-27, Volume: 9

    Topics: Abortion, Spontaneous; Anovulation; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Fema

2022
Aromatase inhibitors (letrozole) for ovulation induction in infertile women with polycystic ovary syndrome.
    The Cochrane database of systematic reviews, 2022, 09-27, Volume: 9

    Topics: Abortion, Spontaneous; Anovulation; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Fema

2022
Aromatase inhibitors (letrozole) for ovulation induction in infertile women with polycystic ovary syndrome.
    The Cochrane database of systematic reviews, 2022, 09-27, Volume: 9

    Topics: Abortion, Spontaneous; Anovulation; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Fema

2022
Letrozole Compared With Clomiphene Citrate for Polycystic Ovarian Syndrome: A Systematic Review and Meta-analysis.
    Obstetrics and gynecology, 2023, 03-01, Volume: 141, Issue:3

    Topics: Clomiphene; Female; Fertility Agents, Female; Humans; Infertility, Female; Letrozole; Live Birth; Ov

2023
The future of frozen-thawed embryo transfer in hormone replacement therapy cycles.
    Current opinion in obstetrics & gynecology, 2023, 06-01, Volume: 35, Issue:3

    Topics: Anovulation; Cryopreservation; Embryo Transfer; Female; Hormone Replacement Therapy; Humans; Letrozo

2023
Intrauterine Insemination After Human Chorionic Gonadotropin Trigger or Luteinizing Hormone Surge: A Meta-analysis.
    Obstetrics and gynecology, 2023, Jul-01, Volume: 142, Issue:1

    Topics: Chorionic Gonadotropin; Clomiphene; Cross-Sectional Studies; Female; Humans; Insemination; Letrozole

2023
In vitro fertilisation for unexplained subfertility.
    The Cochrane database of systematic reviews, 2023, 09-27, Volume: 9

    Topics: Abortion, Spontaneous; Clomiphene; Female; Fertility Agents, Female; Fertilization in Vitro; Gonadot

2023
First-line ovulation induction for polycystic ovary syndrome: an individual participant data meta-analysis.
    Human reproduction update, 2019, 11-05, Volume: 25, Issue:6

    Topics: Birth Rate; Clomiphene; Female; Fertility Agents, Female; Gonadotropins; Humans; Infertility, Female

2019
IUI for unexplained infertility-a network meta-analysis.
    Human reproduction update, 2020, 01-01, Volume: 26, Issue:1

    Topics: Clomiphene; Female; Fertility Agents, Female; Gonadotropins; Humans; Infertility; Insemination, Arti

2020
Gonadotropins versus oral ovarian stimulation agents for unexplained infertility: a systematic review and meta-analysis.
    Fertility and sterility, 2020, Volume: 113, Issue:2

    Topics: Administration, Oral; Adolescent; Adult; Clomiphene; Female; Fertility; Fertility Agents, Female; Go

2020
Adjuvant treatment strategies in ovarian stimulation for poor responders undergoing IVF: a systematic review and network meta-analysis.
    Human reproduction update, 2020, 02-28, Volume: 26, Issue:2

    Topics: Clomiphene; Combined Modality Therapy; Controlled Clinical Trials as Topic; Drug Resistance; Female;

2020
Adjuvant treatment strategies in ovarian stimulation for poor responders undergoing IVF: a systematic review and network meta-analysis.
    Human reproduction update, 2020, 02-28, Volume: 26, Issue:2

    Topics: Clomiphene; Combined Modality Therapy; Controlled Clinical Trials as Topic; Drug Resistance; Female;

2020
Adjuvant treatment strategies in ovarian stimulation for poor responders undergoing IVF: a systematic review and network meta-analysis.
    Human reproduction update, 2020, 02-28, Volume: 26, Issue:2

    Topics: Clomiphene; Combined Modality Therapy; Controlled Clinical Trials as Topic; Drug Resistance; Female;

2020
Adjuvant treatment strategies in ovarian stimulation for poor responders undergoing IVF: a systematic review and network meta-analysis.
    Human reproduction update, 2020, 02-28, Volume: 26, Issue:2

    Topics: Clomiphene; Combined Modality Therapy; Controlled Clinical Trials as Topic; Drug Resistance; Female;

2020
Endometrial preparation for women undergoing embryo transfer with frozen embryos or embryos derived from donor oocytes.
    The Cochrane database of systematic reviews, 2020, 10-28, Volume: 10

    Topics: Abortion, Spontaneous; Bias; Clomiphene; Cryopreservation; Drug Administration Schedule; Embryo Impl

2020
Whether Letrozole could reduce the incidence of early ovary hyperstimulation syndrome after assisted reproductive technology? A systematic review and meta-analysis.
    Reproductive health, 2020, Nov-20, Volume: 17, Issue:1

    Topics: Aromatase Inhibitors; Female; Humans; Incidence; Infertility, Female; Letrozole; Ovarian Hyperstimul

2020
Risk of foetal harm with letrozole use in fertility treatment: a systematic review and meta-analysis.
    Human reproduction update, 2021, 04-21, Volume: 27, Issue:3

    Topics: Clomiphene; Female; Fertility Agents, Female; Humans; Infant, Newborn; Infertility, Female; Letrozol

2021
Stimulated cycle versus artificial cycle for frozen embryo transfer in patients with polycystic ovary syndrome: a Meta-analysis.
    Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology, 2021, Volume: 37, Issue:4

    Topics: Abortion, Spontaneous; Aromatase Inhibitors; Cryopreservation; Embryo Implantation; Embryo Transfer;

2021
Effects of using letrozole in combination with the GnRH antagonist protocol for patients with poor ovarian response: A meta-analysis.
    Journal of gynecology obstetrics and human reproduction, 2021, Volume: 50, Issue:8

    Topics: Adult; Aromatase Inhibitors; Clinical Protocols; Female; Gonadotropin-Releasing Hormone; Humans; Let

2021
Effectiveness and safety of aspirin combined with letrozole in the treatment of polycystic ovary syndrome: a systematic review and meta-analysis.
    Annals of palliative medicine, 2021, Volume: 10, Issue:4

    Topics: Aspirin; China; Female; Humans; Letrozole; Ovulation Induction; Polycystic Ovary Syndrome; Pregnancy

2021
Higher ovulation rate with letrozole as compared with clomiphene citrate in infertile women with polycystic ovary syndrome: a systematic review and meta-analysis.
    Hormones (Athens, Greece), 2021, Volume: 20, Issue:3

    Topics: Clomiphene; Female; Fertility Agents, Female; Humans; Infertility, Female; Letrozole; Ovulation Indu

2021
Polycystic ovarian syndrome and infertility: overview and insights of the putative treatments.
    Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology, 2021, Volume: 37, Issue:10

    Topics: Anti-Mullerian Hormone; Bariatric Surgery; Clomiphene; Female; Gonadotropins; Humans; Infertility, F

2021
In vitro fertilization treatments with the use of clomiphene citrate or letrozole.
    Fertility and sterility, 2017, Volume: 108, Issue:4

    Topics: Clomiphene; Drug Therapy, Combination; Female; Fertility Agents, Female; Fertilization in Vitro; Gon

2017
Oral medications including clomiphene citrate or aromatase inhibitors with gonadotropins for controlled ovarian stimulation in women undergoing in vitro fertilisation.
    The Cochrane database of systematic reviews, 2017, 11-02, Volume: 11

    Topics: Clomiphene; Drug Therapy, Combination; Female; Fertility Agents, Female; Fertilization in Vitro; Gon

2017
Letrozole pretreatment prior to medical termination of pregnancy: a systematic review.
    Contraception, 2018, Volume: 97, Issue:6

    Topics: Abortifacient Agents, Nonsteroidal; Abortion, Induced; Aromatase Inhibitors; Dilatation and Curettag

2018
Letrozole versus clomiphene citrate in polycystic ovary syndrome: a meta-analysis of randomized controlled trials.
    Archives of gynecology and obstetrics, 2018, Volume: 297, Issue:5

    Topics: Clomiphene; Female; Fertility Agents, Female; Humans; Infertility, Female; Letrozole; Live Birth; Ov

2018
Aromatase inhibitors (letrozole) for subfertile women with polycystic ovary syndrome.
    The Cochrane database of systematic reviews, 2018, 05-24, Volume: 5

    Topics: Abortion, Spontaneous; Anastrozole; Aromatase Inhibitors; Birth Rate; Clomiphene; Coitus; Female; Fe

2018
Pharmacology of medications used for ovarian stimulation.
    Best practice & research. Clinical endocrinology & metabolism, 2019, Volume: 33, Issue:1

    Topics: Clomiphene; Female; Fertility Agents, Female; Gonadotropin-Releasing Hormone; Gonadotropins; Humans;

2019
Letrozole versus laparoscopic ovarian drilling in clomiphene citrate-resistant women with polycystic ovary syndrome: a systematic review and meta-analysis of randomized controlled trials.
    Reproductive biology and endocrinology : RB&E, 2019, Feb-06, Volume: 17, Issue:1

    Topics: Aromatase Inhibitors; Birth Rate; Clomiphene; Drug Resistance; Female; Fertility Agents, Female; Hum

2019
Letrozole Compared With Clomiphene Citrate for Unexplained Infertility: A Systematic Review and Meta-analysis.
    Obstetrics and gynecology, 2019, Volume: 133, Issue:3

    Topics: Abortion, Spontaneous; Aromatase Inhibitors; Clomiphene; Estradiol; Female; Fertility Agents, Female

2019
The efficacy of letrozole supplementation for medical abortion: a meta-analysis of randomized controlled trials.
    The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians, 2021, Volume: 34, Issue:9

    Topics: Dietary Supplements; Female; Humans; Letrozole; Pregnancy; Randomized Controlled Trials as Topic

2021
Tamoxifen or letrozole versus standard methods for women with estrogen-receptor positive breast cancer undergoing oocyte or embryo cryopreservation in assisted reproduction.
    The Cochrane database of systematic reviews, 2013, Nov-08, Issue:11

    Topics: Breast Neoplasms; Cryopreservation; Embryo, Mammalian; Female; Humans; Letrozole; Nitriles; Oocytes;

2013
Effectiveness of the antagonist/letrozole protocol for treating poor responders undergoing in vitro fertilization/intracytoplasmic sperm injection: a systematic review and meta-analysis.
    Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology, 2014, Volume: 30, Issue:5

    Topics: Female; Fertilization in Vitro; Gonadotropin-Releasing Hormone; Humans; Letrozole; Male; Nitriles; O

2014
Aromatase inhibitors for subfertile women with polycystic ovary syndrome.
    The Cochrane database of systematic reviews, 2014, Feb-24, Issue:2

    Topics: Anastrozole; Aromatase Inhibitors; Birth Rate; Clomiphene; Coitus; Female; Fertility Agents, Female;

2014
The utility of metformin therapy in reproductive-aged women with polycystic ovary syndrome (PCOS).
    Current pharmaceutical biotechnology, 2014, Volume: 15, Issue:1

    Topics: Animals; Clomiphene; Female; Fertility Agents, Female; Humans; Hypoglycemic Agents; Letrozole; Metfo

2014
Letrozole versus clomiphene citrate for unexplained infertility: a systematic review and meta-analysis.
    The journal of obstetrics and gynaecology research, 2014, Volume: 40, Issue:5

    Topics: Abortion, Spontaneous; Bias; Clomiphene; Endometrium; Estradiol; Female; Follicle Stimulating Hormon

2014
The evaluation of pre and post processing semen analysis parameters at the time of intrauterine insemination in couples diagnosed with male factor infertility and pregnancy rates based on stimulation agent. A retrospective cohort study.
    European journal of obstetrics, gynecology, and reproductive biology, 2014, Volume: 179

    Topics: Adult; Aromatase Inhibitors; Female; Humans; Infertility, Male; Insemination, Artificial, Homologous

2014
Ovulation induction: once bitten, twice shy?
    Fertility and sterility, 2015, Volume: 103, Issue:2

    Topics: Aromatase Inhibitors; Female; Humans; Letrozole; Multiple Birth Offspring; Nitriles; Ovulation Induc

2015
Endocrine and reproductive effects of polycystic ovarian syndrome.
    Obstetrics and gynecology clinics of North America, 2015, Volume: 42, Issue:1

    Topics: Adult; Clomiphene; Female; Fertility Agents, Female; Fertilization in Vitro; Humans; Infertility, Fe

2015
The use of aromatase inhibitors for ovulation induction.
    Current opinion in obstetrics & gynecology, 2015, Volume: 27, Issue:3

    Topics: Adult; Aromatase Inhibitors; Birth Rate; Clomiphene; Coitus; Female; Humans; Infertility, Female; Le

2015
Novel strategies in the management of polycystic ovary syndrome.
    Minerva endocrinologica, 2015, Volume: 40, Issue:3

    Topics: Adult; Clomiphene; Contraceptives, Oral, Combined; Female; Fertility Agents, Female; Fertilization i

2015
Letrozole versus clomiphene citrate in polycystic ovary syndrome: systematic review and meta-analysis.
    Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology, 2015, Volume: 31, Issue:12

    Topics: Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Female; Humans; Infertility, Female; Let

2015
The benefits of other treatments than in vitro fertilization to aid conception in minimal and mild endometriosis.
    Minerva ginecologica, 2016, Volume: 68, Issue:6

    Topics: Clomiphene; Endometriosis; Female; Fertility Agents, Female; Fertilization in Vitro; Humans; Inferti

2016
The management of anovulatory infertility in women with polycystic ovary syndrome: an analysis of the evidence to support the development of global WHO guidance.
    Human reproduction update, 2016, Volume: 22, Issue:6

    Topics: Anovulation; Aromatase Inhibitors; Clomiphene; Consensus; Female; Fertility Agents, Female; Fertiliz

2016
Oocyte cryopreservation for fertility preservation in women with cancer.
    Current opinion in endocrinology, diabetes, and obesity, 2016, Volume: 23, Issue:6

    Topics: Cryopreservation; Estradiol; Female; Fertility Preservation; Humans; Infertility, Female; Letrozole;

2016
Ovulation induction in polycystic ovary syndrome: Current options.
    Best practice & research. Clinical obstetrics & gynaecology, 2016, Volume: 37

    Topics: Anovulation; Anti-Obesity Agents; Aromatase Inhibitors; Bariatric Surgery; Clomiphene; Diet Therapy;

2016
Treatment strategies for women with WHO group II anovulation: systematic review and network meta-analysis
    BMJ (Clinical research ed.), 2017, 01-31, Volume: 356

    Topics: Anovulation; Clomiphene; Drug Therapy, Combination; Female; Humans; Infertility, Female; Letrozole;

2017
Clomiphene citrate and letrozole to reduce follicle-stimulating hormone consumption during ovarian stimulation: systematic review and meta-analysis.
    Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology, 2017, Volume: 50, Issue:3

    Topics: Clomiphene; Embryo Transfer; Female; Fertilization in Vitro; Follicle Stimulating Hormone; Humans; L

2017
[Ovulation induction by means of letrozole].
    Tidsskrift for den Norske laegeforening : tidsskrift for praktisk medicin, ny raekke, 2009, Feb-26, Volume: 129, Issue:5

    Topics: Aromatase Inhibitors; Clomiphene; Estrogen Antagonists; Female; Fertility Agents, Female; Humans; Le

2009
Aromatase inhibitors for female infertility: a systematic review of the literature.
    Reproductive biomedicine online, 2009, Volume: 19, Issue:4

    Topics: Adult; Anastrozole; Aromatase Inhibitors; Clomiphene; Female; Fertilization in Vitro; Gonadotropins;

2009
Effect of androgen supplementation or modulation on ovarian stimulation outcome in poor responders: a meta-analysis.
    Reproductive biomedicine online, 2011, Volume: 22, Issue:6

    Topics: Androgens; Dehydroepiandrosterone; Female; Humans; Letrozole; Nitriles; Oocyte Retrieval; Ovulation

2011
Meta-analysis of letrozole versus clomiphene citrate in polycystic ovary syndrome.
    Reproductive biomedicine online, 2011, Volume: 23, Issue:1

    Topics: Clomiphene; Female; Fertility Agents, Female; Humans; Letrozole; Nitriles; Ovulation Induction; Poly

2011
Aromatase inhibitors in stimulated IVF cycles.
    Reproductive biology and endocrinology : RB&E, 2011, Jun-21, Volume: 9

    Topics: Aromatase Inhibitors; Clomiphene; Female; Fertilization in Vitro; Follicular Phase; Gonadotropins; H

2011
Reproductive impact of polycystic ovary syndrome.
    Current opinion in endocrinology, diabetes, and obesity, 2012, Volume: 19, Issue:6

    Topics: Abortion, Spontaneous; Clomiphene; Female; Fertilization in Vitro; Humans; Infant, Newborn; Infertil

2012
Evaluation and treatment of anovulatory and unexplained infertility.
    Obstetrics and gynecology clinics of North America, 2012, Volume: 39, Issue:4

    Topics: Anovulation; Clomiphene; Diet; Evidence-Based Medicine; Exercise; Female; Fertility Agents, Female;

2012
The dawning of the non-cancer uses of aromatase inhibitors in gynaecology.
    Human reproduction (Oxford, England), 2003, Volume: 18, Issue:8

    Topics: Aromatase Inhibitors; Drug Approval; Enzyme Inhibitors; Female; Fertility Agents, Female; Follicle S

2003
Synergistic effects of antiprogestins and iNOS or aromatase inhibitors on establishment and maintenance of pregnancy.
    Steroids, 2003, Volume: 68, Issue:10-13

    Topics: Animals; Aromatase Inhibitors; Embryo Implantation; Enzyme Inhibitors; Estrogens; Female; Hormone An

2003
Synergistic effects of antiprogestins and iNOS or aromatase inhibitors on establishment and maintenance of pregnancy.
    Steroids, 2003, Volume: 68, Issue:10-13

    Topics: Animals; Aromatase Inhibitors; Embryo Implantation; Enzyme Inhibitors; Estrogens; Female; Hormone An

2003
Synergistic effects of antiprogestins and iNOS or aromatase inhibitors on establishment and maintenance of pregnancy.
    Steroids, 2003, Volume: 68, Issue:10-13

    Topics: Animals; Aromatase Inhibitors; Embryo Implantation; Enzyme Inhibitors; Estrogens; Female; Hormone An

2003
Synergistic effects of antiprogestins and iNOS or aromatase inhibitors on establishment and maintenance of pregnancy.
    Steroids, 2003, Volume: 68, Issue:10-13

    Topics: Animals; Aromatase Inhibitors; Embryo Implantation; Enzyme Inhibitors; Estrogens; Female; Hormone An

2003
A new era in ovulation induction.
    Fertility and sterility, 2006, Volume: 85, Issue:2

    Topics: Aromatase Inhibitors; Clomiphene; Drug Therapy, Combination; Female; Fertility Agents, Female; Folli

2006
A new era in ovulation induction.
    Fertility and sterility, 2006, Volume: 85, Issue:2

    Topics: Aromatase Inhibitors; Clomiphene; Drug Therapy, Combination; Female; Fertility Agents, Female; Folli

2006
A new era in ovulation induction.
    Fertility and sterility, 2006, Volume: 85, Issue:2

    Topics: Aromatase Inhibitors; Clomiphene; Drug Therapy, Combination; Female; Fertility Agents, Female; Folli

2006
A new era in ovulation induction.
    Fertility and sterility, 2006, Volume: 85, Issue:2

    Topics: Aromatase Inhibitors; Clomiphene; Drug Therapy, Combination; Female; Fertility Agents, Female; Folli

2006
A new era in ovulation induction.
    Fertility and sterility, 2006, Volume: 85, Issue:2

    Topics: Aromatase Inhibitors; Clomiphene; Drug Therapy, Combination; Female; Fertility Agents, Female; Folli

2006
A new era in ovulation induction.
    Fertility and sterility, 2006, Volume: 85, Issue:2

    Topics: Aromatase Inhibitors; Clomiphene; Drug Therapy, Combination; Female; Fertility Agents, Female; Folli

2006
A new era in ovulation induction.
    Fertility and sterility, 2006, Volume: 85, Issue:2

    Topics: Aromatase Inhibitors; Clomiphene; Drug Therapy, Combination; Female; Fertility Agents, Female; Folli

2006
A new era in ovulation induction.
    Fertility and sterility, 2006, Volume: 85, Issue:2

    Topics: Aromatase Inhibitors; Clomiphene; Drug Therapy, Combination; Female; Fertility Agents, Female; Folli

2006
A new era in ovulation induction.
    Fertility and sterility, 2006, Volume: 85, Issue:2

    Topics: Aromatase Inhibitors; Clomiphene; Drug Therapy, Combination; Female; Fertility Agents, Female; Folli

2006
New advances in ovulation induction.
    Current opinion in obstetrics & gynecology, 2007, Volume: 19, Issue:3

    Topics: Anastrozole; Aromatase Inhibitors; Clomiphene; Estrogen Antagonists; Female; Fertility Agents, Femal

2007
Assisted reproduction and breast cancer.
    Minerva ginecologica, 2007, Volume: 59, Issue:4

    Topics: Algorithms; Antineoplastic Combined Chemotherapy Protocols; Breast Neoplasms; Cryopreservation; Embr

2007
Ovulation induction in polycystic ovary syndrome.
    Minerva ginecologica, 2008, Volume: 60, Issue:1

    Topics: Adult; Anovulation; Aromatase Inhibitors; Body Mass Index; Clomiphene; Diathermy; Female; Fertility

2008

Trials

118 trials available for letrozole and Pregnancy

ArticleYear
Impact of letrozole co-treatment during ovarian stimulation with gonadotrophins for IVF: a multicentre, randomized, double-blinded placebo-controlled trial.
    Human reproduction (Oxford, England), 2022, Jan-28, Volume: 37, Issue:2

    Topics: Androgens; Estradiol; Female; Fertilization in Vitro; Follicle Stimulating Hormone; Gonadotropins; H

2022
Impact of letrozole co-treatment during ovarian stimulation with gonadotrophins for IVF: a multicentre, randomized, double-blinded placebo-controlled trial.
    Human reproduction (Oxford, England), 2022, Jan-28, Volume: 37, Issue:2

    Topics: Androgens; Estradiol; Female; Fertilization in Vitro; Follicle Stimulating Hormone; Gonadotropins; H

2022
Impact of letrozole co-treatment during ovarian stimulation with gonadotrophins for IVF: a multicentre, randomized, double-blinded placebo-controlled trial.
    Human reproduction (Oxford, England), 2022, Jan-28, Volume: 37, Issue:2

    Topics: Androgens; Estradiol; Female; Fertilization in Vitro; Follicle Stimulating Hormone; Gonadotropins; H

2022
Impact of letrozole co-treatment during ovarian stimulation with gonadotrophins for IVF: a multicentre, randomized, double-blinded placebo-controlled trial.
    Human reproduction (Oxford, England), 2022, Jan-28, Volume: 37, Issue:2

    Topics: Androgens; Estradiol; Female; Fertilization in Vitro; Follicle Stimulating Hormone; Gonadotropins; H

2022
The efficiency of low-dose letrozole plus clomiphene citrate for ovulation induction in intrauterine insemination cycles: A randomized clinical trial.
    International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics, 2022, Volume: 159, Issue:1

    Topics: Chorionic Gonadotropin; Clomiphene; Female; Fertility Agents, Female; Humans; Infertility, Female; I

2022
Prospective open-label non-inferiority randomised controlled trial comparing letrozole and mifepristone pretreatment in medical management of first trimester missed miscarriage: study protocol.
    BMJ open, 2022, Jan-31, Volume: 12, Issue:1

    Topics: Abortion, Induced; Abortion, Spontaneous; Female; Humans; Letrozole; Mifepristone; Misoprostol; Preg

2022
The novel incorporation of aromatase inhibitor in hormonal replacement therapy cycles: a randomized controlled trial.
    Reproductive biomedicine online, 2022, Volume: 44, Issue:4

    Topics: Aromatase Inhibitors; Estradiol; Female; Hormone Replacement Therapy; Humans; Letrozole; Pregnancy;

2022
Single-administered GnRH agonist as luteal phase support in insemination cycles: a randomized controlled trial.
    Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology, 2022, Volume: 38, Issue:5

    Topics: Female; Gonadotropin-Releasing Hormone; Humans; Insemination; Letrozole; Luteal Phase; Ovulation Ind

2022
Live birth after letrozole as an adjunct to follicle-stimulating hormone versus follicle-stimulating hormone alone for ovarian stimulation in in vitro fertilisation cycles-study protocol for a randomised controlled trial.
    Trials, 2022, Apr-01, Volume: 23, Issue:1

    Topics: Drug Therapy, Combination; Female; Fertilization in Vitro; Follicle Stimulating Hormone; Humans; Inf

2022
The Effect of Clomiphene Citrate and Letrozole in Apoptotic Pathways and Cell Cycle in Human Primary Cumulus Cells and the Protective Effect of Estradiol.
    Reproductive sciences (Thousand Oaks, Calif.), 2022, Volume: 29, Issue:8

    Topics: bcl-2-Associated X Protein; Cell Cycle; Clomiphene; Cumulus Cells; Estradiol; Female; Fertility Agen

2022
Fertility preservation for women with breast cancer: a multicentre randomized controlled trial on various ovarian stimulation protocols.
    Human reproduction (Oxford, England), 2022, 07-30, Volume: 37, Issue:8

    Topics: Breast Neoplasms; Female; Fertility Preservation; Fertilization in Vitro; Gonadotropin-Releasing Hor

2022
Granulocyte colony stimulating factor (GCSF) did not affect the fertility outcomes in women with unexplained infertility after intrauterine insemination: a randomised clinical trial.
    Journal of obstetrics and gynaecology : the journal of the Institute of Obstetrics and Gynaecology, 2022, Volume: 42, Issue:6

    Topics: Abortion, Spontaneous; Clomiphene; Cytokines; Female; Fertility; Granulocyte Colony-Stimulating Fact

2022
Probiotic effects on sexual function in women with polycystic ovary syndrome: a double blinded randomized controlled trial.
    BMC women's health, 2022, 09-12, Volume: 22, Issue:1

    Topics: Female; Fertility Agents, Female; Humans; Iran; Letrozole; Polycystic Ovary Syndrome; Pregnancy; Pro

2022
A triple-blind, randomized controlled trial, comparing combined letrozole and clomiphene versus only letrozole for ovulation induction in women with polycystic ovarian syndrome.
    International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics, 2023, Volume: 161, Issue:1

    Topics: Clomiphene; Female; Fertility Agents, Female; Humans; Infertility, Female; Letrozole; Ovulation Indu

2023
The impact of letrozole on oocyte quality in assisted reproductive technology (ART); a randomized double-blind clinical trial.
    Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology, 2022, Volume: 38, Issue:12

    Topics: Female; Fertilization in Vitro; Gonadotropins; Humans; Infertility, Female; Letrozole; Oocytes; Ovar

2022
Ovulation induction using sequential letrozole/gonadotrophin in infertile women with PCOS: a randomized controlled trial.
    Reproductive biomedicine online, 2023, Volume: 46, Issue:2

    Topics: Adolescent; Adult; Clomiphene; Female; Fertility Agents, Female; Gonadotropins; Humans; Infertility,

2023
Comparison of Three Ovulation Induction Therapies for Patients With Polycystic Ovary Syndrome and Infertility.
    Journal of clinical pharmacology, 2023, Volume: 63, Issue:12

    Topics: Female; Fertility Agents, Female; Humans; Infertility, Female; Letrozole; Menotropins; Ovulation Ind

2023
Comparing efficacy and safety of stair step protocols for clomiphene citrate and letrozole in ovulation induction for women with polycystic ovary syndrome (PCOS): a randomized controlled clinical trial.
    Journal of medicine and life, 2023, Volume: 16, Issue:5

    Topics: Child; Clomiphene; Female; Fertility Agents, Female; Humans; Infertility, Female; Letrozole; Nitrile

2023
Live birth after letrozole-stimulated cycles versus hormone replacement treatment cycles for the first frozen embryo transfer in women with polycystic ovary syndrome: protocol for a multicentre randomised controlled trial.
    BMJ open, 2023, 08-17, Volume: 13, Issue:8

    Topics: Embryo Transfer; Estrogens; Female; Humans; Infant, Newborn; Letrozole; Live Birth; Multicenter Stud

2023
Clomiphene citrate plus letrozole versus clomiphene citrate alone for ovulation induction in infertile women with ovulatory dysfunction: a randomized controlled trial.
    BMC women's health, 2023, Nov-14, Volume: 23, Issue:1

    Topics: Clomiphene; Female; Fertility Agents, Female; Humans; Infertility, Female; Letrozole; Live Birth; Ov

2023
Prospective randomized trial comparing efficacy of letrozole step-up protocol with letrozole plus gonadotropins for controlled ovarian stimulation and intrauterine insemination in patients with unexplained infertility.
    Archives of gynecology and obstetrics, 2019, Volume: 300, Issue:6

    Topics: Adult; Aromatase Inhibitors; Female; Gonadotropins; Humans; Infertility, Female; Insemination, Artif

2019
Letrozole and human menopausal gonadotropin for ovulation induction in clomiphene resistance polycystic ovary syndrome patients: A randomized controlled study.
    Medicine, 2020, Volume: 99, Issue:4

    Topics: Abortion, Spontaneous; Adult; Clomiphene; Endometrium; Estradiol; Female; Humans; Infertility, Femal

2020
Comparing the effect of clomiphene citrate and letrozole on ovulation induction in infertile women with polycystic ovary syndrome.
    JPMA. The Journal of the Pakistan Medical Association, 2020, Volume: 70, Issue:2

    Topics: Adult; Aromatase Inhibitors; Clomiphene; Double-Blind Method; Endometrium; Female; Fertility Agents,

2020
A multicenter randomized trial of personalized acupuncture, fixed acupuncture, letrozole, and placebo letrozole on live birth in infertile women with polycystic ovary syndrome.
    Trials, 2020, Mar-04, Volume: 21, Issue:1

    Topics: Abortion, Spontaneous; Acupuncture Therapy; Aromatase Inhibitors; Female; Humans; Infertility, Femal

2020
Effect of misoprostol with and without letrozole on the induction of abortion for women with first-trimester missed abortion.
    International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics, 2020, Volume: 151, Issue:2

    Topics: Abortifacient Agents, Nonsteroidal; Abortion, Missed; Administration, Intravaginal; Adult; Double-Bl

2020
Letrozole versus clomiphene citrate for ovulation induction in anovulatory women with polycystic ovarian syndrome: A randomized controlled trial.
    International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics, 2021, Volume: 152, Issue:3

    Topics: Adult; Clomiphene; Female; Fertility Agents, Female; Humans; Infertility, Female; Letrozole; Ovulati

2021
Endometrial thickness after ovarian stimulation with gonadotropin, clomiphene, or letrozole for unexplained infertility, and association with treatment outcomes.
    Fertility and sterility, 2021, Volume: 115, Issue:1

    Topics: Adolescent; Adult; Clomiphene; Endometrium; Family Characteristics; Female; Fertility Agents, Female

2021
Evaluation of the effect of trans-vaginal ovarian needle punctures on women with polycystic ovary syndrome.
    Journal of gynecology obstetrics and human reproduction, 2021, Volume: 50, Issue:5

    Topics: Adult; Aromatase Inhibitors; Clomiphene; Drug Administration Schedule; Drug Resistance; Estrogen Ant

2021
The effect of letrozole versus artificial hormonal endometrial preparation on pregnancy outcome after frozen-thawed embryos transfer cycles: a randomized clinical trial.
    Reproductive biology and endocrinology : RB&E, 2020, Nov-20, Volume: 18, Issue:1

    Topics: Adult; Cryopreservation; Embryo Implantation; Embryo Transfer; Endometrium; Female; Humans; Letrozol

2020
Letrozole Versus Clomiphene Citrate and Natural Cycle: Endometrial Receptivity During Implantation Window in Women With Polycystic Ovary Syndrome.
    Frontiers in endocrinology, 2020, Volume: 11

    Topics: Clomiphene; Embryo Implantation; Endometrium; Female; Fertility Agents, Female; Humans; Letrozole; O

2020
Ovulation induction with clomiphene citrate or letrozole following laparoscopy in infertile women with minimal to mild endometriosis: a prospective randomised controlled trial.
    Journal of obstetrics and gynaecology : the journal of the Institute of Obstetrics and Gynaecology, 2022, Volume: 42, Issue:2

    Topics: Clomiphene; Endometriosis; Female; Fertility Agents, Female; Humans; Infertility, Female; Laparoscop

2022
Intrauterine insemination (IUI) with or without letrozole for unexplained or mild male factor infertility: A randomized pilot study.
    European journal of obstetrics, gynecology, and reproductive biology, 2021, Volume: 262

    Topics: China; Female; Humans; Infertility; Infertility, Male; Insemination; Insemination, Artificial; Letro

2021
Comparison of clomiphene citrate and letrozole for ovulation induction in women with polycystic ovary syndrome: a prospective randomized trial.
    Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology, 2017, Volume: 33, Issue:11

    Topics: Adult; Clomiphene; Female; Hormone Antagonists; Humans; Infertility, Female; Letrozole; Nitriles; Ov

2017
[Optimal Ovulation Induction in Polycystic Ovary Syndrome Resistant to Clomiphene Citrate or Letrozole.]
    Sichuan da xue xue bao. Yi xue ban = Journal of Sichuan University. Medical science edition, 2016, Volume: 47, Issue:6

    Topics: Clomiphene; Drug Therapy, Combination; Female; Fertility Agents, Female; Humans; Infertility, Female

2016
Double-blind randomized controlled trial of letrozole versus clomiphene citrate in subfertile women with polycystic ovarian syndrome.
    Human reproduction (Oxford, England), 2017, 08-01, Volume: 32, Issue:8

    Topics: Adult; Clomiphene; Double-Blind Method; Female; Fertility Agents, Female; Humans; Infertility, Femal

2017
Clomiphene citrate combined with metformin versus letrozole for induction of ovulation in clomiphene-resistant polycystic ovary syndrome: a randomized clinical trial.
    Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology, 2018, Volume: 34, Issue:4

    Topics: Adult; Clomiphene; Female; Fertility Agents, Female; Humans; Letrozole; Metformin; Nitriles; Ovulati

2018
Evaluation of effect of letrozole prior to misoprostol in comparison with misoprostol alone in success rate of induced abortion.
    Journal of gynecology obstetrics and human reproduction, 2018, Volume: 47, Issue:3

    Topics: Abortifacient Agents, Nonsteroidal; Abortion, Therapeutic; Adult; Aromatase Inhibitors; Case-Control

2018
Intrauterine insemination with ovarian stimulation versus expectant management for unexplained infertility (TUI): a pragmatic, open-label, randomised, controlled, two-centre trial.
    Lancet (London, England), 2018, 02-03, Volume: 391, Issue:10119

    Topics: Administration, Oral; Adult; Clomiphene; Drug Administration Schedule; Female; Fertility Agents, Fem

2018
Comparison of modified agonist, mild-stimulation and antagonist protocols for in vitro fertilization in patients with diminished ovarian reserve.
    The Journal of international medical research, 2018, Volume: 46, Issue:6

    Topics: Adult; Clinical Protocols; Female; Fertility Agents, Female; Fertilization in Vitro; Gonadotropin-Re

2018
The VEGF and PEDF levels in the follicular fluid of patients co- treated with LETROZOLE and gonadotropins during the stimulation cycle.
    Reproductive biology and endocrinology : RB&E, 2018, May-29, Volume: 16, Issue:1

    Topics: Adult; Aromatase Inhibitors; Drug Therapy, Combination; Eye Proteins; Female; Follicular Fluid; Gona

2018
    Neural computing & applications, 2018, Volume: 30, Issue:6

    Topics: Activities of Daily Living; Acute Disease; Adalimumab; Adaptation, Physiological; Adenosine Triphosp

2018
    Neural computing & applications, 2018, Volume: 30, Issue:6

    Topics: Activities of Daily Living; Acute Disease; Adalimumab; Adaptation, Physiological; Adenosine Triphosp

2018
    Neural computing & applications, 2018, Volume: 30, Issue:6

    Topics: Activities of Daily Living; Acute Disease; Adalimumab; Adaptation, Physiological; Adenosine Triphosp

2018
    Neural computing & applications, 2018, Volume: 30, Issue:6

    Topics: Activities of Daily Living; Acute Disease; Adalimumab; Adaptation, Physiological; Adenosine Triphosp

2018
    Neural computing & applications, 2018, Volume: 30, Issue:6

    Topics: Activities of Daily Living; Acute Disease; Adalimumab; Adaptation, Physiological; Adenosine Triphosp

2018
    Neural computing & applications, 2018, Volume: 30, Issue:6

    Topics: Activities of Daily Living; Acute Disease; Adalimumab; Adaptation, Physiological; Adenosine Triphosp

2018
    Neural computing & applications, 2018, Volume: 30, Issue:6

    Topics: Activities of Daily Living; Acute Disease; Adalimumab; Adaptation, Physiological; Adenosine Triphosp

2018
    Neural computing & applications, 2018, Volume: 30, Issue:6

    Topics: Activities of Daily Living; Acute Disease; Adalimumab; Adaptation, Physiological; Adenosine Triphosp

2018
    Neural computing & applications, 2018, Volume: 30, Issue:6

    Topics: Activities of Daily Living; Acute Disease; Adalimumab; Adaptation, Physiological; Adenosine Triphosp

2018
A randomized controlled trial comparing lifestyle intervention to letrozole for ovulation in women with polycystic ovary syndrome: a study protocol.
    Trials, 2018, Nov-16, Volume: 19, Issue:1

    Topics: Administration, Oral; Adolescent; Adult; Diet, Healthy; Exercise; Female; Fertility Agents, Female;

2018
A randomized controlled trial of combination letrozole and clomiphene citrate or letrozole alone for ovulation induction in women with polycystic ovary syndrome.
    Fertility and sterility, 2019, Volume: 111, Issue:3

    Topics: Adolescent; Adult; Age Factors; Biomarkers; Body Mass Index; Clomiphene; Female; Fertility; Fertilit

2019
The effectiveness of inositol and metformin on infertile polycystic ovary syndrome women with resistant to letrozole.
    Archives of gynecology and obstetrics, 2019, Volume: 299, Issue:4

    Topics: Adult; Female; Folic Acid; Humans; Infertility, Female; Inositol; Letrozole; Metformin; Ovulation In

2019
Letrozole supplementation during controlled ovarian stimulation in expected high responders: a pilot randomized controlled study.
    Reproductive biology and endocrinology : RB&E, 2019, May-10, Volume: 17, Issue:1

    Topics: Adult; Chorionic Gonadotropin; Estradiol; Female; Gonadotropin-Releasing Hormone; Humans; Letrozole;

2019
Letrozole usage adjuvant to gonadotropins for ovulation induction for patients with clomiphene citrate failure.
    Archives of gynecology and obstetrics, 2013, Volume: 288, Issue:2

    Topics: Adult; Aromatase Inhibitors; Clomiphene; Drug Therapy, Combination; Endometrium; Estradiol; Female;

2013
Efficacy of combined therapy of goserelin and letrozole on very young women with advanced breast cancer as first-line endocrine therapy.
    Endocrine journal, 2013, Volume: 60, Issue:6

    Topics: Adolescent; Adult; Age of Onset; Antineoplastic Agents, Hormonal; Antineoplastic Combined Chemothera

2013
Evaluation of low-dose letrozole addition to ovulation induction in IVF.
    Clinical and experimental obstetrics & gynecology, 2013, Volume: 40, Issue:1

    Topics: Adult; Aromatase Inhibitors; Female; Fertilization in Vitro; Gonadotropins; Humans; Letrozole; Male;

2013
The effect of letrozole with misoprostol for medical termination of pregnancy on the expression of steroid receptors in the placenta.
    Human reproduction (Oxford, England), 2013, Volume: 28, Issue:11

    Topics: Abortifacient Agents; Abortion, Induced; Apoptosis; Estrogen Receptor alpha; Female; Gene Expression

2013
Letrozole ovulation induction: an effective option in endometrial preparation for frozen-thawed embryo transfer.
    Archives of gynecology and obstetrics, 2014, Volume: 289, Issue:3

    Topics: Abortion, Spontaneous; Adult; Aromatase Inhibitors; Birth Rate; Case-Control Studies; China; Cryopre

2014
Combined letrozole and clomiphene versus letrozole and clomiphene alone in infertile patients with polycystic ovary syndrome.
    Drug design, development and therapy, 2013, Volume: 7

    Topics: Adult; Aromatase Inhibitors; Clomiphene; Drug Therapy, Combination; Female; Fertility Agents, Female

2013
Combined letrozole and clomiphene versus letrozole and clomiphene alone in infertile patients with polycystic ovary syndrome.
    Drug design, development and therapy, 2013, Volume: 7

    Topics: Adult; Aromatase Inhibitors; Clomiphene; Drug Therapy, Combination; Female; Fertility Agents, Female

2013
Combined letrozole and clomiphene versus letrozole and clomiphene alone in infertile patients with polycystic ovary syndrome.
    Drug design, development and therapy, 2013, Volume: 7

    Topics: Adult; Aromatase Inhibitors; Clomiphene; Drug Therapy, Combination; Female; Fertility Agents, Female

2013
Combined letrozole and clomiphene versus letrozole and clomiphene alone in infertile patients with polycystic ovary syndrome.
    Drug design, development and therapy, 2013, Volume: 7

    Topics: Adult; Aromatase Inhibitors; Clomiphene; Drug Therapy, Combination; Female; Fertility Agents, Female

2013
Combined letrozole and clomiphene versus letrozole and clomiphene alone in infertile patients with polycystic ovary syndrome.
    Drug design, development and therapy, 2013, Volume: 7

    Topics: Adult; Aromatase Inhibitors; Clomiphene; Drug Therapy, Combination; Female; Fertility Agents, Female

2013
Combined letrozole and clomiphene versus letrozole and clomiphene alone in infertile patients with polycystic ovary syndrome.
    Drug design, development and therapy, 2013, Volume: 7

    Topics: Adult; Aromatase Inhibitors; Clomiphene; Drug Therapy, Combination; Female; Fertility Agents, Female

2013
Combined letrozole and clomiphene versus letrozole and clomiphene alone in infertile patients with polycystic ovary syndrome.
    Drug design, development and therapy, 2013, Volume: 7

    Topics: Adult; Aromatase Inhibitors; Clomiphene; Drug Therapy, Combination; Female; Fertility Agents, Female

2013
Combined letrozole and clomiphene versus letrozole and clomiphene alone in infertile patients with polycystic ovary syndrome.
    Drug design, development and therapy, 2013, Volume: 7

    Topics: Adult; Aromatase Inhibitors; Clomiphene; Drug Therapy, Combination; Female; Fertility Agents, Female

2013
Combined letrozole and clomiphene versus letrozole and clomiphene alone in infertile patients with polycystic ovary syndrome.
    Drug design, development and therapy, 2013, Volume: 7

    Topics: Adult; Aromatase Inhibitors; Clomiphene; Drug Therapy, Combination; Female; Fertility Agents, Female

2013
An effective alternative to only gonadotrophin for controlled ovarian stimulation in unexplained infertility patients undergoing intra-uterine insemination: a clinical trial.
    Journal of the Indian Medical Association, 2013, Volume: 111, Issue:9

    Topics: Adult; Aromatase Inhibitors; Drug Therapy, Combination; Female; Follicle Stimulating Hormone; Humans

2013
Letrozole versus clomiphene for infertility in the polycystic ovary syndrome.
    The New England journal of medicine, 2014, Jul-10, Volume: 371, Issue:2

    Topics: Adult; Clomiphene; Double-Blind Method; Female; Fertility Agents, Female; Humans; Infertility, Femal

2014
Letrozole versus clomiphene for infertility in the polycystic ovary syndrome.
    The New England journal of medicine, 2014, Jul-10, Volume: 371, Issue:2

    Topics: Adult; Clomiphene; Double-Blind Method; Female; Fertility Agents, Female; Humans; Infertility, Femal

2014
Letrozole versus clomiphene for infertility in the polycystic ovary syndrome.
    The New England journal of medicine, 2014, Jul-10, Volume: 371, Issue:2

    Topics: Adult; Clomiphene; Double-Blind Method; Female; Fertility Agents, Female; Humans; Infertility, Femal

2014
Letrozole versus clomiphene for infertility in the polycystic ovary syndrome.
    The New England journal of medicine, 2014, Jul-10, Volume: 371, Issue:2

    Topics: Adult; Clomiphene; Double-Blind Method; Female; Fertility Agents, Female; Humans; Infertility, Femal

2014
Letrozole versus clomiphene for infertility in the polycystic ovary syndrome.
    The New England journal of medicine, 2014, Jul-10, Volume: 371, Issue:2

    Topics: Adult; Clomiphene; Double-Blind Method; Female; Fertility Agents, Female; Humans; Infertility, Femal

2014
Letrozole versus clomiphene for infertility in the polycystic ovary syndrome.
    The New England journal of medicine, 2014, Jul-10, Volume: 371, Issue:2

    Topics: Adult; Clomiphene; Double-Blind Method; Female; Fertility Agents, Female; Humans; Infertility, Femal

2014
Letrozole versus clomiphene for infertility in the polycystic ovary syndrome.
    The New England journal of medicine, 2014, Jul-10, Volume: 371, Issue:2

    Topics: Adult; Clomiphene; Double-Blind Method; Female; Fertility Agents, Female; Humans; Infertility, Femal

2014
Letrozole versus clomiphene for infertility in the polycystic ovary syndrome.
    The New England journal of medicine, 2014, Jul-10, Volume: 371, Issue:2

    Topics: Adult; Clomiphene; Double-Blind Method; Female; Fertility Agents, Female; Humans; Infertility, Femal

2014
Letrozole versus clomiphene for infertility in the polycystic ovary syndrome.
    The New England journal of medicine, 2014, Jul-10, Volume: 371, Issue:2

    Topics: Adult; Clomiphene; Double-Blind Method; Female; Fertility Agents, Female; Humans; Infertility, Femal

2014
Effects of combining low‑dose aspirin with a Chinese patent medicine on follicular blood flow and pregnancy outcome.
    Molecular medicine reports, 2014, Volume: 10, Issue:5

    Topics: Adult; Aspirin; Drug Therapy, Combination; Drugs, Chinese Herbal; Endometrium; Female; Fertility Age

2014
Assessment of multiple intrauterine gestations from ovarian stimulation (AMIGOS) trial: baseline characteristics.
    Fertility and sterility, 2015, Volume: 103, Issue:4

    Topics: Adult; Clomiphene; Female; Fertility Agents, Female; Gonadotropins; Humans; Infertility, Female; Let

2015
Impact of Male and Female Weight, Smoking, and Intercourse Frequency on Live Birth in Women With Polycystic Ovary Syndrome.
    The Journal of clinical endocrinology and metabolism, 2015, Volume: 100, Issue:6

    Topics: Adolescent; Adult; Body Mass Index; Body Weight; Clomiphene; Coitus; Female; Fertility Agents, Femal

2015
Letrozole, Gonadotropin, or Clomiphene for Unexplained Infertility.
    The New England journal of medicine, 2015, Sep-24, Volume: 373, Issue:13

    Topics: Adolescent; Adult; Clomiphene; Female; Fertility Agents, Female; Gonadotropins; Humans; Infertility,

2015
Effects of Letrozole-HMG and Clomiphene-HMG on Incidence of Luteinized Unruptured Follicle Syndrome in Infertile Women Undergoing Induction Ovulation and Intrauterine Insemination: A Randomised Trial.
    Global journal of health science, 2015, Sep-01, Volume: 8, Issue:4

    Topics: Adult; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Female; Follicular Phase; Humans;

2015
Comparison of GnRh Agonist Microdose Flare Up and GnRh Antagonist/Letrozole in Treatment of Poor Responder Patients in Intra Cytoplaspic Sperm Injection: Randomized Clinical Trial.
    Global journal of health science, 2015, Aug-06, Volume: 8, Issue:4

    Topics: Adult; Aromatase Inhibitors; Female; Gonadotropin-Releasing Hormone; Humans; Letrozole; Nitriles; Ov

2015
Use of letrozole and clomiphene citrate combined with gonadotropins in clomiphene-resistant infertile women with polycystic ovary syndrome: a prospective study.
    Drug design, development and therapy, 2015, Volume: 9

    Topics: Adult; Clomiphene; Dose-Response Relationship, Drug; Drug Therapy, Combination; Female; Fertility Ag

2015
Comparison of the effects of letrozole and cabergoline on vascular permeability, ovarian diameter, ovarian tissue VEGF levels, and blood PEDF levels, in a rat model of ovarian hyperstimulation syndrome.
    Archives of gynecology and obstetrics, 2016, Volume: 293, Issue:5

    Topics: Animals; Cabergoline; Capillary Permeability; Chorionic Gonadotropin; Ergolines; Eye Proteins; Femal

2016
The effect of 7 days of letrozole pretreatment combined with misoprostol on the expression of progesterone receptor and apoptotic factors of placental and decidual tissues from first-trimester abortion: a randomized controlled trial.
    Contraception, 2016, Volume: 93, Issue:4

    Topics: Abortifacient Agents, Nonsteroidal; Abortion, Induced; Adult; Apoptosis; Biomarkers; Decidua; Double

2016
The effect of 7 days of letrozole pretreatment combined with misoprostol on the expression of progesterone receptor and apoptotic factors of placental and decidual tissues from first-trimester abortion: a randomized controlled trial.
    Contraception, 2016, Volume: 93, Issue:4

    Topics: Abortifacient Agents, Nonsteroidal; Abortion, Induced; Adult; Apoptosis; Biomarkers; Decidua; Double

2016
The effect of 7 days of letrozole pretreatment combined with misoprostol on the expression of progesterone receptor and apoptotic factors of placental and decidual tissues from first-trimester abortion: a randomized controlled trial.
    Contraception, 2016, Volume: 93, Issue:4

    Topics: Abortifacient Agents, Nonsteroidal; Abortion, Induced; Adult; Apoptosis; Biomarkers; Decidua; Double

2016
The effect of 7 days of letrozole pretreatment combined with misoprostol on the expression of progesterone receptor and apoptotic factors of placental and decidual tissues from first-trimester abortion: a randomized controlled trial.
    Contraception, 2016, Volume: 93, Issue:4

    Topics: Abortifacient Agents, Nonsteroidal; Abortion, Induced; Adult; Apoptosis; Biomarkers; Decidua; Double

2016
A randomized, single-blind, prospective trial comparing three different gonadotropin doses with or without addition of letrozole during ovulation stimulation in patients with poor ovarian response.
    European journal of obstetrics, gynecology, and reproductive biology, 2016, Volume: 203

    Topics: Adolescent; Adult; Dose-Response Relationship, Drug; Drug Therapy, Combination; Embryo Transfer; Fem

2016
Randomized controlled trial of letrozole, berberine, or a combination for infertility in the polycystic ovary syndrome.
    Fertility and sterility, 2016, Sep-01, Volume: 106, Issue:3

    Topics: Administration, Oral; Adult; Berberine; China; Double-Blind Method; Drug Administration Schedule; Dr

2016
Cost effectiveness of letrozole and purified urinary FSH in treating women with clomiphene citrate-resistant polycystic ovarian syndrome: a randomized controlled trial.
    Human fertility (Cambridge, England), 2017, Volume: 20, Issue:1

    Topics: Adult; Aromatase Inhibitors; Clomiphene; Cost-Benefit Analysis; Drug Therapy, Combination; Female; F

2017
Endocrine changes, fetal growth, and uterine artery hemodynamics after chronic estrogen suppression during the last trimester of equine pregnancy.
    Biology of reproduction, 2017, 02-01, Volume: 96, Issue:2

    Topics: Animals; Aromatase Inhibitors; Estrogens; Female; Fetal Development; Hemodynamics; Horses; Letrozole

2017
Endometrial effects of letrozole and clomiphene citrate in women with polycystic ovary syndrome using spiral artery Doppler.
    Archives of gynecology and obstetrics, 2009, Volume: 279, Issue:3

    Topics: Adult; Clomiphene; Endometrium; Female; Fertility Agents, Female; Humans; Letrozole; Nitriles; Ovari

2009
RETRACTED: Clomiphene citrate or aromatase inhibitors for superovulation in women with unexplained infertility undergoing intrauterine insemination: a prospective randomized trial.
    Fertility and sterility, 2009, Volume: 92, Issue:4

    Topics: Adult; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Female; Humans; Infertility, Fema

2009
Extended letrozole therapy for ovulation induction in clomiphene-resistant women with polycystic ovary syndrome: a novel protocol.
    Fertility and sterility, 2009, Volume: 92, Issue:1

    Topics: Adult; Anovulation; Aromatase Inhibitors; Clomiphene; Drug Resistance; Estrogen Antagonists; Female;

2009
Extended letrozole therapy for ovulation induction in clomiphene-resistant women with polycystic ovary syndrome: a novel protocol.
    Fertility and sterility, 2009, Volume: 92, Issue:1

    Topics: Adult; Anovulation; Aromatase Inhibitors; Clomiphene; Drug Resistance; Estrogen Antagonists; Female;

2009
Extended letrozole therapy for ovulation induction in clomiphene-resistant women with polycystic ovary syndrome: a novel protocol.
    Fertility and sterility, 2009, Volume: 92, Issue:1

    Topics: Adult; Anovulation; Aromatase Inhibitors; Clomiphene; Drug Resistance; Estrogen Antagonists; Female;

2009
Extended letrozole therapy for ovulation induction in clomiphene-resistant women with polycystic ovary syndrome: a novel protocol.
    Fertility and sterility, 2009, Volume: 92, Issue:1

    Topics: Adult; Anovulation; Aromatase Inhibitors; Clomiphene; Drug Resistance; Estrogen Antagonists; Female;

2009
Extended letrozole therapy for ovulation induction in clomiphene-resistant women with polycystic ovary syndrome: a novel protocol.
    Fertility and sterility, 2009, Volume: 92, Issue:1

    Topics: Adult; Anovulation; Aromatase Inhibitors; Clomiphene; Drug Resistance; Estrogen Antagonists; Female;

2009
Extended letrozole therapy for ovulation induction in clomiphene-resistant women with polycystic ovary syndrome: a novel protocol.
    Fertility and sterility, 2009, Volume: 92, Issue:1

    Topics: Adult; Anovulation; Aromatase Inhibitors; Clomiphene; Drug Resistance; Estrogen Antagonists; Female;

2009
Extended letrozole therapy for ovulation induction in clomiphene-resistant women with polycystic ovary syndrome: a novel protocol.
    Fertility and sterility, 2009, Volume: 92, Issue:1

    Topics: Adult; Anovulation; Aromatase Inhibitors; Clomiphene; Drug Resistance; Estrogen Antagonists; Female;

2009
Extended letrozole therapy for ovulation induction in clomiphene-resistant women with polycystic ovary syndrome: a novel protocol.
    Fertility and sterility, 2009, Volume: 92, Issue:1

    Topics: Adult; Anovulation; Aromatase Inhibitors; Clomiphene; Drug Resistance; Estrogen Antagonists; Female;

2009
Extended letrozole therapy for ovulation induction in clomiphene-resistant women with polycystic ovary syndrome: a novel protocol.
    Fertility and sterility, 2009, Volume: 92, Issue:1

    Topics: Adult; Anovulation; Aromatase Inhibitors; Clomiphene; Drug Resistance; Estrogen Antagonists; Female;

2009
Pregnancy outcome after ovulation induction with aromatase inhibitors or clomiphene citrate in unexplained infertility.
    Acta obstetricia et gynecologica Scandinavica, 2009, Volume: 88, Issue:2

    Topics: Abortion, Spontaneous; Adult; Anastrozole; Aromatase Inhibitors; Clomiphene; Female; Fertility Agent

2009
Comparison of letrozole with continuous gonadotropins and clomiphene-gonadotropin combination for ovulation induction in 1387 PCOS women after clomiphene citrate failure: a randomized prospective clinical trial.
    Journal of assisted reproduction and genetics, 2009, Volume: 26, Issue:1

    Topics: Adult; Aromatase Inhibitors; Clomiphene; Drug Therapy, Combination; Estradiol; Female; Fertility Age

2009
RETRACTED: Letrozole versus combined metformin and clomiphene citrate for ovulation induction in clomiphene-resistant women with polycystic ovary syndrome: a randomized controlled trial.
    Fertility and sterility, 2010, Volume: 94, Issue:4

    Topics: Adult; Algorithms; Clomiphene; Drug Combinations; Drug Resistance; Female; Fertility Agents, Female;

2010
Use of aromatase inhibitors in poor-responder patients receiving GnRH antagonist protocols.
    Reproductive biomedicine online, 2009, Volume: 19, Issue:4

    Topics: Adult; Aromatase Inhibitors; Chorionic Gonadotropin; Female; Follicle Stimulating Hormone; Gonadotro

2009
Letrozole versus laparoscopic ovarian diathermy for ovulation induction in clomiphene-resistant women with polycystic ovary syndrome: a randomized controlled trial.
    Archives of gynecology and obstetrics, 2010, Volume: 282, Issue:5

    Topics: Adult; Aromatase Inhibitors; Diathermy; Female; Humans; Letrozole; Nitriles; Ovulation Induction; Po

2010
Aromatase inhibitors in women with clomiphene citrate resistance: a randomized, double-blind, placebo-controlled trial.
    Fertility and sterility, 2010, Volume: 94, Issue:7

    Topics: Adult; Aromatase Inhibitors; Clomiphene; Double-Blind Method; Drug Resistance; Female; Fertility Age

2010
A comparison of the effect of short-term aromatase inhibitor (letrozole) and GnRH agonist (triptorelin) versus case control on pregnancy rate and symptom and sign recurrence after laparoscopic treatment of endometriosis.
    Archives of gynecology and obstetrics, 2011, Volume: 284, Issue:1

    Topics: Adult; Aromatase Inhibitors; Endometriosis; Female; Gonadotropin-Releasing Hormone; Humans; Infertil

2011
Clomiphene citrate or aromatase inhibitors combined with gonadotropins for superovulation in women undergoing intrauterine insemination: a prospective randomised trial.
    Journal of obstetrics and gynaecology : the journal of the Institute of Obstetrics and Gynaecology, 2010, Volume: 30, Issue:6

    Topics: Adult; Aromatase Inhibitors; Clomiphene; Drug Therapy, Combination; Female; Follicle Stimulating Hor

2010
GnRH antagonist/letrozole versus microdose GnRH agonist flare protocol in poor responders undergoing in vitro fertilization.
    Taiwanese journal of obstetrics & gynecology, 2010, Volume: 49, Issue:3

    Topics: Adult; Aromatase Inhibitors; Contraceptives, Oral; Dose-Response Relationship, Drug; Drug Therapy, C

2010
A pilot study on the use of letrozole with either misoprostol or mifepristone for termination of pregnancy up to 63 days.
    Contraception, 2011, Volume: 83, Issue:1

    Topics: Abortifacient Agents; Abortion, Induced; Adolescent; Adult; Estradiol; Female; Humans; Hydrocortison

2011
A pilot study on the use of letrozole with either misoprostol or mifepristone for termination of pregnancy up to 63 days.
    Contraception, 2011, Volume: 83, Issue:1

    Topics: Abortifacient Agents; Abortion, Induced; Adolescent; Adult; Estradiol; Female; Humans; Hydrocortison

2011
A pilot study on the use of letrozole with either misoprostol or mifepristone for termination of pregnancy up to 63 days.
    Contraception, 2011, Volume: 83, Issue:1

    Topics: Abortifacient Agents; Abortion, Induced; Adolescent; Adult; Estradiol; Female; Humans; Hydrocortison

2011
A pilot study on the use of letrozole with either misoprostol or mifepristone for termination of pregnancy up to 63 days.
    Contraception, 2011, Volume: 83, Issue:1

    Topics: Abortifacient Agents; Abortion, Induced; Adolescent; Adult; Estradiol; Female; Humans; Hydrocortison

2011
Misoprostol with or without letrozole pretreatment for termination of pregnancy: a randomized controlled trial.
    Obstetrics and gynecology, 2011, Volume: 117, Issue:2 Pt 1

    Topics: Abortifacient Agents, Nonsteroidal; Abortion, Induced; Adult; Aromatase Inhibitors; Double-Blind Met

2011
Misoprostol with or without letrozole pretreatment for termination of pregnancy: a randomized controlled trial.
    Obstetrics and gynecology, 2011, Volume: 117, Issue:2 Pt 1

    Topics: Abortifacient Agents, Nonsteroidal; Abortion, Induced; Adult; Aromatase Inhibitors; Double-Blind Met

2011
Misoprostol with or without letrozole pretreatment for termination of pregnancy: a randomized controlled trial.
    Obstetrics and gynecology, 2011, Volume: 117, Issue:2 Pt 1

    Topics: Abortifacient Agents, Nonsteroidal; Abortion, Induced; Adult; Aromatase Inhibitors; Double-Blind Met

2011
Misoprostol with or without letrozole pretreatment for termination of pregnancy: a randomized controlled trial.
    Obstetrics and gynecology, 2011, Volume: 117, Issue:2 Pt 1

    Topics: Abortifacient Agents, Nonsteroidal; Abortion, Induced; Adult; Aromatase Inhibitors; Double-Blind Met

2011
Misoprostol with or without letrozole pretreatment for termination of pregnancy: a randomized controlled trial.
    Obstetrics and gynecology, 2011, Volume: 117, Issue:2 Pt 1

    Topics: Abortifacient Agents, Nonsteroidal; Abortion, Induced; Adult; Aromatase Inhibitors; Double-Blind Met

2011
Misoprostol with or without letrozole pretreatment for termination of pregnancy: a randomized controlled trial.
    Obstetrics and gynecology, 2011, Volume: 117, Issue:2 Pt 1

    Topics: Abortifacient Agents, Nonsteroidal; Abortion, Induced; Adult; Aromatase Inhibitors; Double-Blind Met

2011
Misoprostol with or without letrozole pretreatment for termination of pregnancy: a randomized controlled trial.
    Obstetrics and gynecology, 2011, Volume: 117, Issue:2 Pt 1

    Topics: Abortifacient Agents, Nonsteroidal; Abortion, Induced; Adult; Aromatase Inhibitors; Double-Blind Met

2011
Misoprostol with or without letrozole pretreatment for termination of pregnancy: a randomized controlled trial.
    Obstetrics and gynecology, 2011, Volume: 117, Issue:2 Pt 1

    Topics: Abortifacient Agents, Nonsteroidal; Abortion, Induced; Adult; Aromatase Inhibitors; Double-Blind Met

2011
Misoprostol with or without letrozole pretreatment for termination of pregnancy: a randomized controlled trial.
    Obstetrics and gynecology, 2011, Volume: 117, Issue:2 Pt 1

    Topics: Abortifacient Agents, Nonsteroidal; Abortion, Induced; Adult; Aromatase Inhibitors; Double-Blind Met

2011
Misoprostol with or without letrozole pretreatment for termination of pregnancy: a randomized controlled trial.
    Obstetrics and gynecology, 2011, Volume: 117, Issue:2 Pt 1

    Topics: Abortifacient Agents, Nonsteroidal; Abortion, Induced; Adult; Aromatase Inhibitors; Double-Blind Met

2011
Misoprostol with or without letrozole pretreatment for termination of pregnancy: a randomized controlled trial.
    Obstetrics and gynecology, 2011, Volume: 117, Issue:2 Pt 1

    Topics: Abortifacient Agents, Nonsteroidal; Abortion, Induced; Adult; Aromatase Inhibitors; Double-Blind Met

2011
Misoprostol with or without letrozole pretreatment for termination of pregnancy: a randomized controlled trial.
    Obstetrics and gynecology, 2011, Volume: 117, Issue:2 Pt 1

    Topics: Abortifacient Agents, Nonsteroidal; Abortion, Induced; Adult; Aromatase Inhibitors; Double-Blind Met

2011
Misoprostol with or without letrozole pretreatment for termination of pregnancy: a randomized controlled trial.
    Obstetrics and gynecology, 2011, Volume: 117, Issue:2 Pt 1

    Topics: Abortifacient Agents, Nonsteroidal; Abortion, Induced; Adult; Aromatase Inhibitors; Double-Blind Met

2011
Misoprostol with or without letrozole pretreatment for termination of pregnancy: a randomized controlled trial.
    Obstetrics and gynecology, 2011, Volume: 117, Issue:2 Pt 1

    Topics: Abortifacient Agents, Nonsteroidal; Abortion, Induced; Adult; Aromatase Inhibitors; Double-Blind Met

2011
Misoprostol with or without letrozole pretreatment for termination of pregnancy: a randomized controlled trial.
    Obstetrics and gynecology, 2011, Volume: 117, Issue:2 Pt 1

    Topics: Abortifacient Agents, Nonsteroidal; Abortion, Induced; Adult; Aromatase Inhibitors; Double-Blind Met

2011
Misoprostol with or without letrozole pretreatment for termination of pregnancy: a randomized controlled trial.
    Obstetrics and gynecology, 2011, Volume: 117, Issue:2 Pt 1

    Topics: Abortifacient Agents, Nonsteroidal; Abortion, Induced; Adult; Aromatase Inhibitors; Double-Blind Met

2011
Reproductive outcome after letrozole versus laparoscopic ovarian drilling for clomiphene-resistant polycystic ovary syndrome.
    International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics, 2011, Volume: 113, Issue:3

    Topics: Adult; Anovulation; Aromatase Inhibitors; Clomiphene; Drug Administration Schedule; Drug Resistance;

2011
Extended letrozole regimen versus clomiphene citrate for superovulation in patients with unexplained infertility undergoing intrauterine insemination: a randomized controlled trial.
    Reproductive biology and endocrinology : RB&E, 2011, Jun-21, Volume: 9

    Topics: Adult; Aromatase Inhibitors; Clomiphene; Female; Humans; Infertility, Female; Insemination; Letrozol

2011
Extended letrozole regimen versus clomiphene citrate for superovulation in patients with unexplained infertility undergoing intrauterine insemination: a randomized controlled trial.
    Reproductive biology and endocrinology : RB&E, 2011, Jun-21, Volume: 9

    Topics: Adult; Aromatase Inhibitors; Clomiphene; Female; Humans; Infertility, Female; Insemination; Letrozol

2011
Extended letrozole regimen versus clomiphene citrate for superovulation in patients with unexplained infertility undergoing intrauterine insemination: a randomized controlled trial.
    Reproductive biology and endocrinology : RB&E, 2011, Jun-21, Volume: 9

    Topics: Adult; Aromatase Inhibitors; Clomiphene; Female; Humans; Infertility, Female; Insemination; Letrozol

2011
Extended letrozole regimen versus clomiphene citrate for superovulation in patients with unexplained infertility undergoing intrauterine insemination: a randomized controlled trial.
    Reproductive biology and endocrinology : RB&E, 2011, Jun-21, Volume: 9

    Topics: Adult; Aromatase Inhibitors; Clomiphene; Female; Humans; Infertility, Female; Insemination; Letrozol

2011
Extended high dose letrozole regimen versus short low dose letrozole regimen as an adjuvant to gonadotropin releasing hormone antagonist protocol in poor responders undergoing IVF-ET.
    Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology, 2011, Volume: 27, Issue:12

    Topics: Adjuvants, Pharmaceutic; Adult; Cost-Benefit Analysis; Dose-Response Relationship, Drug; Drug Admini

2011
A randomized trial of ovulation induction with two different doses of Letrozole in women with PCOS.
    Archives of gynecology and obstetrics, 2011, Volume: 284, Issue:4

    Topics: Adult; Coitus; Drug Administration Schedule; Female; Fertility Agents, Female; Humans; Letrozole; Me

2011
Sequential use of letrozole and gonadotrophin in women with poor ovarian reserve: a randomized controlled trial.
    Reproductive biomedicine online, 2011, Volume: 23, Issue:3

    Topics: Adult; Androstenedione; Anti-Mullerian Hormone; Aromatase Inhibitors; Estradiol; Female; Fertilizati

2011
Estimating rates of multiple gestation pregnancies: sample size calculation from the assessment of multiple intrauterine gestations from ovarian stimulation (AMIGOS) trial.
    Contemporary clinical trials, 2011, Volume: 32, Issue:6

    Topics: Adolescent; Adult; Aromatase Inhibitors; Clomiphene; Dose-Response Relationship, Drug; Double-Blind

2011
Comparison of efficacy of letrozole and clomiphene citrate in ovulation induction in Indian women with polycystic ovarian syndrome.
    Archives of gynecology and obstetrics, 2012, Volume: 285, Issue:3

    Topics: Adult; Chorionic Gonadotropin; Clomiphene; Endometrium; Estradiol; Female; Fertility Agents, Female;

2012
A prospective double-blinded, randomized, placebo-controlled trial on the use of letrozole pretreatment with misoprostol for second-trimester medical abortion.
    Contraception, 2011, Volume: 84, Issue:6

    Topics: Abortifacient Agents, Nonsteroidal; Abortion, Induced; Adult; Aromatase Inhibitors; Double-Blind Met

2011
Randomized comparison of superovulation with letrozole vs. clomiphene citrate in an IUI program for women with recently surgically treated minimal to mild endometriosis.
    Acta obstetricia et gynecologica Scandinavica, 2012, Volume: 91, Issue:3

    Topics: Adult; Aromatase Inhibitors; Clomiphene; Drug Administration Schedule; Endometriosis; Female; Fertil

2012
The Pregnancy in Polycystic Ovary Syndrome II (PPCOS II) trial: rationale and design of a double-blind randomized trial of clomiphene citrate and letrozole for the treatment of infertility in women with polycystic ovary syndrome.
    Contemporary clinical trials, 2012, Volume: 33, Issue:3

    Topics: Adolescent; Adult; Antineoplastic Agents; Chi-Square Distribution; Clomiphene; Double-Blind Method;

2012
Comparison of treatment outcomes of infertile women by clomiphene citrate and letrozole with gonadotropins underwent intrauterine insemination.
    Acta medica Iranica, 2012, Volume: 50, Issue:1

    Topics: Adult; Clomiphene; Female; Fertility; Fertility Agents, Female; Gonadotropins; Humans; Infertility,

2012
Effect of letrozole on uterine artery Doppler flow indices prior to first-trimester termination of pregnancy: a randomized controlled trial.
    Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology, 2012, Volume: 40, Issue:4

    Topics: Abortifacient Agents, Nonsteroidal; Abortion, Induced; Adult; Chorionic Gonadotropin; Estradiol; Fem

2012
Effect of letrozole on uterine artery Doppler flow indices prior to first-trimester termination of pregnancy: a randomized controlled trial.
    Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology, 2012, Volume: 40, Issue:4

    Topics: Abortifacient Agents, Nonsteroidal; Abortion, Induced; Adult; Chorionic Gonadotropin; Estradiol; Fem

2012
Effect of letrozole on uterine artery Doppler flow indices prior to first-trimester termination of pregnancy: a randomized controlled trial.
    Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology, 2012, Volume: 40, Issue:4

    Topics: Abortifacient Agents, Nonsteroidal; Abortion, Induced; Adult; Chorionic Gonadotropin; Estradiol; Fem

2012
Effect of letrozole on uterine artery Doppler flow indices prior to first-trimester termination of pregnancy: a randomized controlled trial.
    Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology, 2012, Volume: 40, Issue:4

    Topics: Abortifacient Agents, Nonsteroidal; Abortion, Induced; Adult; Chorionic Gonadotropin; Estradiol; Fem

2012
Effect of letrozole on uterine tonus and contractility: a randomized controlled trial.
    Contraception, 2012, Volume: 86, Issue:4

    Topics: Abortifacient Agents, Nonsteroidal; Abortion, Induced; Administration, Intravaginal; Administration,

2012
A pilot study on the use of a 7-day course of letrozole followed by misoprostol for the termination of early pregnancy up to 63 days.
    Contraception, 2012, Volume: 86, Issue:6

    Topics: Abortifacient Agents, Nonsteroidal; Abortion, Induced; Adult; Aromatase Inhibitors; Chorionic Gonado

2012
Letrozole versus clomiphene citrate for superovulation in Egyptian women with unexplained infertility: a randomized controlled trial.
    Archives of gynecology and obstetrics, 2012, Volume: 286, Issue:6

    Topics: Adult; Chi-Square Distribution; Chorionic Gonadotropin; Clomiphene; Egypt; Endometrium; Endosonograp

2012
A new look at tamoxifen: co-administration with letrozole in intrauterine insemination cycles.
    Archives of gynecology and obstetrics, 2013, Volume: 287, Issue:2

    Topics: Adult; Double-Blind Method; Drug Administration Schedule; Drug Therapy, Combination; Female; Fertili

2013
Is letrozole superior to clomiphene for ovarian stimulation prior to intrauterine insemination?
    Archives of gynecology and obstetrics, 2013, Volume: 287, Issue:3

    Topics: Adult; Clomiphene; Female; Fertility Agents, Female; Humans; Infertility, Female; Insemination, Arti

2013
Minimal stimulation protocol using letrozole versus microdose flare up GnRH agonist protocol in women with poor ovarian response undergoing ICSI.
    Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology, 2013, Volume: 29, Issue:2

    Topics: Adult; Aromatase Inhibitors; Drug Resistance; Egypt; Estradiol; Female; Fertility Agents, Female; Fe

2013
Efficacy of combined metformin-letrozole in comparison with bilateral ovarian drilling in clomiphene-resistant infertile women with polycystic ovarian syndrome.
    Archives of gynecology and obstetrics, 2013, Volume: 288, Issue:1

    Topics: Adult; Aromatase Inhibitors; Blood Glucose; Clomiphene; Drug Therapy, Combination; Female; Fertility

2013
A randomized single-blind controlled trial of letrozole as a low-cost IVF protocol in women with poor ovarian response: a preliminary report.
    Human reproduction (Oxford, England), 2004, Volume: 19, Issue:9

    Topics: Adult; Aromatase Inhibitors; Chorionic Gonadotropin; Cost Control; Dose-Response Relationship, Drug;

2004
A randomized trial of letrozole versus clomiphene citrate in women undergoing superovulation.
    Fertility and sterility, 2004, Volume: 82, Issue:6

    Topics: Abortion, Spontaneous; Adult; Aromatase Inhibitors; Clomiphene; Endometrium; Female; Fertility Agent

2004
A randomized trial of superovulation with two different doses of letrozole.
    Fertility and sterility, 2006, Volume: 85, Issue:1

    Topics: Adult; Aromatase Inhibitors; Endometrium; Female; Humans; Insemination, Artificial; Letrozole; Nitri

2006
Efficacy of combined metformin-letrozole in comparison with metformin-clomiphene citrate in clomiphene-resistant infertile women with polycystic ovarian disease.
    Human reproduction (Oxford, England), 2006, Volume: 21, Issue:6

    Topics: Adult; Aromatase Inhibitors; Clomiphene; Drug Resistance; Drug Therapy, Combination; Endometrium; Fe

2006
Use of letrozole versus clomiphene citrate combined with gonadotropins in intrauterine insemination cycles: a pilot study.
    Fertility and sterility, 2006, Volume: 85, Issue:6

    Topics: Adult; Aromatase Inhibitors; Clomiphene; Drug Combinations; Female; Fertility Agents, Female; Gonado

2006
Cost-effectiveness of aromatase inhibitor co-treatment for controlled ovarian stimulation.
    Human reproduction (Oxford, England), 2006, Volume: 21, Issue:11

    Topics: Aromatase Inhibitors; Cost-Benefit Analysis; Costs and Cost Analysis; Endometrium; Female; Follicle

2006
Letrozole versus human menopausal gonadotrophin in women undergoing intrauterine insemination.
    Reproductive biomedicine online, 2006, Volume: 13, Issue:2

    Topics: Adult; Aromatase Inhibitors; Endometrium; Female; Follicular Phase; Humans; Infertility, Female; Ins

2006
Preliminary experience with a low-cost stimulation protocol that includes letrozole and human menopausal gonadotropins in normal responders for assisted reproductive technologies.
    Fertility and sterility, 2006, Volume: 86, Issue:4

    Topics: Adult; Chemotherapy, Adjuvant; Drug Combinations; Female; Humans; Infertility; Letrozole; Menotropin

2006
Comparison of the efficacy of the aromatase inhibitor letrozole and clomiphene citrate as adjuvants to recombinant follicle-stimulating hormone in controlled ovarian hyperstimulation: a prospective, randomized, blinded clinical trial.
    Fertility and sterility, 2006, Volume: 86, Issue:5

    Topics: Adult; Aromatase Inhibitors; Chemotherapy, Adjuvant; Clomiphene; Drug Combinations; Female; Fertilit

2006
Role of aromatase inhibitor in ovulation induction in patients with poor response to clomiphene citrate.
    The journal of obstetrics and gynaecology research, 2006, Volume: 32, Issue:5

    Topics: Adult; Aromatase Inhibitors; Clomiphene; Female; Humans; Infertility, Female; Letrozole; Nitriles; O

2006
Follicular phase dynamics with combined aromatase inhibitor and follicle stimulating hormone treatment.
    The Journal of clinical endocrinology and metabolism, 2007, Volume: 92, Issue:3

    Topics: Adult; Aromatase Inhibitors; Dose-Response Relationship, Drug; Drug Therapy, Combination; Endometriu

2007
Management of poor responders: can outcomes be improved with a novel gonadotropin-releasing hormone antagonist/letrozole protocol?
    Fertility and sterility, 2008, Volume: 89, Issue:1

    Topics: Adult; Aromatase Inhibitors; Chorionic Gonadotropin; Dose-Response Relationship, Drug; Drug Administ

2008
Randomized controlled trial of three doses of letrozole for ovulation induction in patients with unexplained infertility.
    Reproductive biomedicine online, 2007, Volume: 14, Issue:5

    Topics: Adult; Aromatase Inhibitors; Female; Humans; Infertility, Female; Letrozole; Nitriles; Ovulation Ind

2007
RETRACTED: Clomiphene citrate or letrozole for ovulation induction in women with polycystic ovarian syndrome: a prospective randomized trial.
    Fertility and sterility, 2009, Volume: 92, Issue:3

    Topics: Abortion, Spontaneous; Adult; Aromatase Inhibitors; Clomiphene; Dose-Response Relationship, Drug; En

2009
RETRACTED: Anastrozole or letrozole for ovulation induction in clomiphene-resistant women with polycystic ovarian syndrome: a prospective randomized trial.
    Fertility and sterility, 2008, Volume: 89, Issue:5

    Topics: Abortion, Spontaneous; Adult; Anastrozole; Aromatase Inhibitors; Clomiphene; Drug Resistance; Endome

2008
Randomized controlled trial comparing superovulation with letrozole versus recombinant follicle-stimulating hormone combined with intrauterine insemination for couples with unexplained infertility who had failed clomiphene citrate stimulation and intraute
    Fertility and sterility, 2008, Volume: 90, Issue:3

    Topics: Adult; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Female; Follicle Stimulating Horm

2008
Effectiveness of cetrorelix for the prevention of premature luteinizing hormone surge during controlled ovarian stimulation using letrozole and gonadotropins: a randomized trial.
    Fertility and sterility, 2008, Volume: 90, Issue:1

    Topics: Adult; Aromatase Inhibitors; Chorionic Gonadotropin; Drug Therapy, Combination; Female; Fertility Ag

2008
A comparison of letrozole to gonadotropins for ovulation induction in subjects with advanced maternal age: a retrospective pilot study.
    Fertility and sterility, 2008, Volume: 90, Issue:4

    Topics: Adult; Aromatase Inhibitors; Female; Gonadotropins; Humans; Infertility, Female; Letrozole; Middle A

2008
Comparison of efficacy of aromatase inhibitor and clomiphene citrate in induction of ovulation in polycystic ovarian syndrome.
    Fertility and sterility, 2009, Volume: 92, Issue:3

    Topics: Adult; Aromatase Inhibitors; Clomiphene; Dose-Response Relationship, Drug; Endometrium; Female; Fert

2009
Comparison of the efficacy of the aromatase inhibitor letrozole and clomiphen citrate gonadotropins in controlled ovarian hyperstimulation: a prospective, simply randomized, clinical trial.
    Journal of assisted reproduction and genetics, 2008, Volume: 25, Issue:5

    Topics: Adult; Aromatase Inhibitors; Clomiphene; Female; Gonadotropins; Humans; Letrozole; Nitriles; Ovary;

2008
Comparison of the efficacy of the aromatase inhibitor letrozole and clomiphen citrate gonadotropins in controlled ovarian hyperstimulation: a prospective, simply randomized, clinical trial.
    Journal of assisted reproduction and genetics, 2008, Volume: 25, Issue:5

    Topics: Adult; Aromatase Inhibitors; Clomiphene; Female; Gonadotropins; Humans; Letrozole; Nitriles; Ovary;

2008
Comparison of the efficacy of the aromatase inhibitor letrozole and clomiphen citrate gonadotropins in controlled ovarian hyperstimulation: a prospective, simply randomized, clinical trial.
    Journal of assisted reproduction and genetics, 2008, Volume: 25, Issue:5

    Topics: Adult; Aromatase Inhibitors; Clomiphene; Female; Gonadotropins; Humans; Letrozole; Nitriles; Ovary;

2008
Comparison of the efficacy of the aromatase inhibitor letrozole and clomiphen citrate gonadotropins in controlled ovarian hyperstimulation: a prospective, simply randomized, clinical trial.
    Journal of assisted reproduction and genetics, 2008, Volume: 25, Issue:5

    Topics: Adult; Aromatase Inhibitors; Clomiphene; Female; Gonadotropins; Humans; Letrozole; Nitriles; Ovary;

2008
Use of an aromatase inhibitor for induction of ovulation in patients with an inadequate response to clomiphene citrate.
    Fertility and sterility, 2001, Volume: 75, Issue:2

    Topics: Anovulation; Aromatase Inhibitors; Chorionic Gonadotropin; Endometrium; Enzyme Inhibitors; Estradiol

2001
Aromatase inhibition improves ovarian response to follicle-stimulating hormone in poor responders.
    Fertility and sterility, 2002, Volume: 77, Issue:4

    Topics: Aromatase Inhibitors; Chorionic Gonadotropin; Cohort Studies; Endometrium; Enzyme Inhibitors; Estrad

2002

Other Studies

187 other studies available for letrozole and Pregnancy

ArticleYear
Novel aromatase inhibitors by structure-guided design.
    Journal of medicinal chemistry, 2012, Oct-11, Volume: 55, Issue:19

    Topics: Androstadienes; Antineoplastic Agents; Aromatase Inhibitors; Cell Line, Tumor; Crystallography, X-Ra

2012
Prednisone combined with letrozole reduced risk of ovarian hyperstimulation syndrome (OHSS) in women undergoing long-term gonadotropin-releasing hormone analog treatment.
    Annals of palliative medicine, 2021, Volume: 10, Issue:8

    Topics: Female; Gonadotropin-Releasing Hormone; Humans; Letrozole; Ovarian Hyperstimulation Syndrome; Ovulat

2021
Influence of hormonal imbalance on the integrity of seminiferous epithelium in the testes of adult rats chronically exposed to letrozole and rats exposed to soya isoflavones during the prenatal period, lactation, and up to sexual maturity.
    Reproductive biology, 2021, Volume: 21, Issue:4

    Topics: Animals; Blood-Testis Barrier; Estrogens; Female; Glycation End Products, Advanced; Intercellular Ju

2021
Frozen Embryo Transfer in Mildly Stimulated Cycle With Letrozole Compared to Natural Cycle in Ovulatory Women: A Large Retrospective Study.
    Frontiers in endocrinology, 2021, Volume: 12

    Topics: Adult; Aromatase Inhibitors; Cryopreservation; Embryo Transfer; Female; Humans; Infertility, Female;

2021
Progestin-primed ovarian stimulation protocol with or without letrozole for patients with normal ovarian reserve: a retrospective cohort study.
    Journal of clinical pharmacy and therapeutics, 2022, Volume: 47, Issue:4

    Topics: Female; Humans; Letrozole; Medroxyprogesterone Acetate; Ovarian Reserve; Ovulation Induction; Pregna

2022
Estrogens Regulate Placental Angiogenesis in Horses.
    International journal of molecular sciences, 2021, Nov-09, Volume: 22, Issue:22

    Topics: Androstenedione; Angiopoietin-1; Animals; Aromatase; Estrogens; Female; Gene Expression Regulation,

2021
Letrozole promotes the expression of integrin αvβ3 and HOXA10 in endometrium of endometriosis.
    Systems biology in reproductive medicine, 2022, Volume: 68, Issue:2

    Topics: Animals; Embryo Implantation; Endometriosis; Endometrium; Female; Homeobox A10 Proteins; Humans; Inf

2022
Emulating a target trial of the comparative effectiveness of clomiphene citrate and letrozole for ovulation induction.
    Human reproduction (Oxford, England), 2022, 04-01, Volume: 37, Issue:4

    Topics: Adolescent; Adult; Child; Clomiphene; Female; Fertility Agents, Female; Humans; Infant, Newborn; Inf

2022
Co-Administration of Clomiphene Citrate and Letrozole in Mild Ovarian Stimulation Versus Conventional Controlled Ovarian Stimulation Among POSEIDON Group 4 Patients.
    Frontiers in endocrinology, 2021, Volume: 12

    Topics: Adult; Clomiphene; Drug Therapy, Combination; Embryo Transfer; Female; Fertility Agents, Female; Fer

2021
Retrospective cohort study on preparation regimens for frozen embryo transfer.
    Reproduction & fertility, 2021, Volume: 2, Issue:4

    Topics: Abortion, Spontaneous; Cryopreservation; Embryo Transfer; Female; Follicle Stimulating Hormone; Huma

2021
Progestin-Primed Ovarian Stimulation Versus Mild Stimulation Protocol in Advanced Age Women With Diminished Ovarian Reserve Undergoing Their First
    Frontiers in endocrinology, 2021, Volume: 12

    Topics: Adult; Chorionic Gonadotropin; Clomiphene; Cohort Studies; Dydrogesterone; Female; Fertility Agents,

2021
Delayed Implantation Induced by Letrozole in Mice.
    Reproductive sciences (Thousand Oaks, Calif.), 2022, Volume: 29, Issue:10

    Topics: Animals; Embryo Implantation; Estradiol; Estrogens; Female; Letrozole; Mice; Pregnancy; Progesterone

2022
Estrogen Promotes Microvascularization in the Fetus and Thus Vascular Function and Insulin Sensitivity in Offspring.
    Endocrinology, 2022, 05-01, Volume: 163, Issue:5

    Topics: Animals; Estradiol; Estrogens; Female; Fetus; Glucose; Insulin; Insulin Resistance; Letrozole; Nitri

2022
Comparison of Perinatal Outcomes of Letrozole-Induced Ovulation and Hormone Replacement Therapy Protocols in Patients With Abnormal Ovulation Undergoing Frozen-Thawed Embryo Transfer: A Propensity Score Matching Analysis.
    Frontiers in endocrinology, 2022, Volume: 13

    Topics: Cryopreservation; Embryo Transfer; Female; Hormone Replacement Therapy; Humans; Infant, Newborn; Let

2022
Development of a letrozole-based synchronization protocol for fixed-time artificial insemination in beef cattle.
    Animal reproduction science, 2022, Volume: 240

    Topics: Animals; Cattle; Dinoprost; Estrus Synchronization; Female; Gonadotropin-Releasing Hormone; Insemina

2022
Effects of letrozole co-treatment on outcomes of gonadotropin-releasing hormone antagonist cycles in POSEIDON groups 3 and 4 expected poor responders.
    Archives of gynecology and obstetrics, 2022, Volume: 306, Issue:4

    Topics: Female; Fertilization in Vitro; Gonadotropin-Releasing Hormone; Hormone Antagonists; Humans; Letrozo

2022
Efficacy of Letrozole Combined with Urinary Gonadotropin for Ovulation Induction in Endocrine Abnormal Infertility Patients: A Retrospective Single-Center, Case-Control Study.
    Computational and mathematical methods in medicine, 2022, Volume: 2022

    Topics: Case-Control Studies; Child; Female; Gonadotropins; Humans; Infertility, Female; Letrozole; Menotrop

2022
Pregnancy outcomes after frozen-thawed embryo transfer using letrozole ovulation induction, natural, or programmed cycles.
    Fertility and sterility, 2022, Volume: 118, Issue:4

    Topics: Cryopreservation; Embryo Transfer; Female; Humans; Letrozole; Ovulation Induction; Pregnancy; Pregna

2022
Ovulation induction regimens are associated with a higher rate of livebirth after frozen single-blastocyst transfer among women with polycystic ovary syndrome.
    Frontiers in endocrinology, 2022, Volume: 13

    Topics: Abortion, Spontaneous; Embryo Transfer; Female; Humans; Infant, Newborn; Letrozole; Menotropins; Ovu

2022
Comparison of different endometrial preparation protocols on frozen embryo transfer pregnancy outcome in patients with normal ovulation.
    Reproductive biomedicine online, 2022, Volume: 45, Issue:6

    Topics: Cryopreservation; Embryo Transfer; Female; Humans; Infertility, Female; Letrozole; Live Birth; Ovula

2022
The Disparity in the Management of Polycystic Ovary Syndrome between Obstetrician-Gynecologists in Different-Level Hospitals under the Hierarchical Medical System.
    BioMed research international, 2022, Volume: 2022

    Topics: Androgens; Blood Glucose; Female; Hospitals; Humans; Insulin Resistance; Letrozole; Lipids; Metformi

2022
Extending letrozole treatment duration is effective in inducing ovulation in women with polycystic ovary syndrome and letrozole resistance.
    Fertility and sterility, 2023, Volume: 119, Issue:1

    Topics: Clomiphene; Duration of Therapy; Female; Fertility Agents, Female; Humans; Infertility, Female; Letr

2023
Letrozole-induced endometrial preparation improved the pregnancy outcomes after frozen blastocyst transfer compared to the natural cycle: a retrospective cohort study.
    BMC pregnancy and childbirth, 2022, Nov-07, Volume: 22, Issue:1

    Topics: Cohort Studies; Cryopreservation; Embryo Transfer; Female; Humans; Letrozole; Live Birth; Pregnancy;

2022
Oncological and reproductive outcomes for gonadotropin-releasing hormone agonist combined with aromatase inhibitors or levonorgestrel-releasing intra-uterine system in women with endometrial cancer or atypical endometrial hyperplasia.
    International journal of gynecological cancer : official journal of the International Gynecological Cancer Society, 2022, 12-05, Volume: 32, Issue:12

    Topics: Aromatase Inhibitors; Endometrial Hyperplasia; Endometrial Neoplasms; Female; Gonadotropin-Releasing

2022
Luteal phase support with progesterone does not improve pregnancy rates in patients undergoing ovarian stimulation with letrozole.
    Reproductive biomedicine online, 2023, Volume: 46, Issue:1

    Topics: Female; Humans; Letrozole; Luteal Phase; Ovulation Induction; Pregnancy; Pregnancy Rate; Progesteron

2023
Luteal phase support with progesterone does not improve pregnancy rates in patients undergoing ovarian stimulation with letrozole.
    Reproductive biomedicine online, 2023, Volume: 46, Issue:1

    Topics: Female; Humans; Letrozole; Luteal Phase; Ovulation Induction; Pregnancy; Pregnancy Rate; Progesteron

2023
Luteal phase support with progesterone does not improve pregnancy rates in patients undergoing ovarian stimulation with letrozole.
    Reproductive biomedicine online, 2023, Volume: 46, Issue:1

    Topics: Female; Humans; Letrozole; Luteal Phase; Ovulation Induction; Pregnancy; Pregnancy Rate; Progesteron

2023
Luteal phase support with progesterone does not improve pregnancy rates in patients undergoing ovarian stimulation with letrozole.
    Reproductive biomedicine online, 2023, Volume: 46, Issue:1

    Topics: Female; Humans; Letrozole; Luteal Phase; Ovulation Induction; Pregnancy; Pregnancy Rate; Progesteron

2023
Luteal phase support with progesterone does not improve pregnancy rates in patients undergoing ovarian stimulation with letrozole.
    Reproductive biomedicine online, 2023, Volume: 46, Issue:1

    Topics: Female; Humans; Letrozole; Luteal Phase; Ovulation Induction; Pregnancy; Pregnancy Rate; Progesteron

2023
Luteal phase support with progesterone does not improve pregnancy rates in patients undergoing ovarian stimulation with letrozole.
    Reproductive biomedicine online, 2023, Volume: 46, Issue:1

    Topics: Female; Humans; Letrozole; Luteal Phase; Ovulation Induction; Pregnancy; Pregnancy Rate; Progesteron

2023
Luteal phase support with progesterone does not improve pregnancy rates in patients undergoing ovarian stimulation with letrozole.
    Reproductive biomedicine online, 2023, Volume: 46, Issue:1

    Topics: Female; Humans; Letrozole; Luteal Phase; Ovulation Induction; Pregnancy; Pregnancy Rate; Progesteron

2023
Luteal phase support with progesterone does not improve pregnancy rates in patients undergoing ovarian stimulation with letrozole.
    Reproductive biomedicine online, 2023, Volume: 46, Issue:1

    Topics: Female; Humans; Letrozole; Luteal Phase; Ovulation Induction; Pregnancy; Pregnancy Rate; Progesteron

2023
Luteal phase support with progesterone does not improve pregnancy rates in patients undergoing ovarian stimulation with letrozole.
    Reproductive biomedicine online, 2023, Volume: 46, Issue:1

    Topics: Female; Humans; Letrozole; Luteal Phase; Ovulation Induction; Pregnancy; Pregnancy Rate; Progesteron

2023
Pituitary suppression with GnRH agonists before ART may be insufficient to treat women with severe adenomyosis.
    Reproductive biomedicine online, 2023, Volume: 46, Issue:1

    Topics: Adenomyosis; Aromatase Inhibitors; Estradiol; Estrogens; Female; Fertilization in Vitro; Gonadotropi

2023
Pituitary suppression with GnRH agonists before ART may be insufficient to treat women with severe adenomyosis.
    Reproductive biomedicine online, 2023, Volume: 46, Issue:1

    Topics: Adenomyosis; Aromatase Inhibitors; Estradiol; Estrogens; Female; Fertilization in Vitro; Gonadotropi

2023
Pituitary suppression with GnRH agonists before ART may be insufficient to treat women with severe adenomyosis.
    Reproductive biomedicine online, 2023, Volume: 46, Issue:1

    Topics: Adenomyosis; Aromatase Inhibitors; Estradiol; Estrogens; Female; Fertilization in Vitro; Gonadotropi

2023
Pituitary suppression with GnRH agonists before ART may be insufficient to treat women with severe adenomyosis.
    Reproductive biomedicine online, 2023, Volume: 46, Issue:1

    Topics: Adenomyosis; Aromatase Inhibitors; Estradiol; Estrogens; Female; Fertilization in Vitro; Gonadotropi

2023
Pituitary suppression with GnRH agonists before ART may be insufficient to treat women with severe adenomyosis.
    Reproductive biomedicine online, 2023, Volume: 46, Issue:1

    Topics: Adenomyosis; Aromatase Inhibitors; Estradiol; Estrogens; Female; Fertilization in Vitro; Gonadotropi

2023
Pituitary suppression with GnRH agonists before ART may be insufficient to treat women with severe adenomyosis.
    Reproductive biomedicine online, 2023, Volume: 46, Issue:1

    Topics: Adenomyosis; Aromatase Inhibitors; Estradiol; Estrogens; Female; Fertilization in Vitro; Gonadotropi

2023
Pituitary suppression with GnRH agonists before ART may be insufficient to treat women with severe adenomyosis.
    Reproductive biomedicine online, 2023, Volume: 46, Issue:1

    Topics: Adenomyosis; Aromatase Inhibitors; Estradiol; Estrogens; Female; Fertilization in Vitro; Gonadotropi

2023
Pituitary suppression with GnRH agonists before ART may be insufficient to treat women with severe adenomyosis.
    Reproductive biomedicine online, 2023, Volume: 46, Issue:1

    Topics: Adenomyosis; Aromatase Inhibitors; Estradiol; Estrogens; Female; Fertilization in Vitro; Gonadotropi

2023
Pituitary suppression with GnRH agonists before ART may be insufficient to treat women with severe adenomyosis.
    Reproductive biomedicine online, 2023, Volume: 46, Issue:1

    Topics: Adenomyosis; Aromatase Inhibitors; Estradiol; Estrogens; Female; Fertilization in Vitro; Gonadotropi

2023
Optimal lead follicle size in letrozole human menopausal gonadotrophin intrauterine insemination cycles with and without spontaneous LH surge.
    Reproductive biomedicine online, 2023, Volume: 46, Issue:3

    Topics: Female; Humans; Infertility; Insemination, Artificial; Letrozole; Menopause; Menotropins; Ovulation

2023
Optimal lead follicle size in letrozole human menopausal gonadotrophin intrauterine insemination cycles with and without spontaneous LH surge.
    Reproductive biomedicine online, 2023, Volume: 46, Issue:3

    Topics: Female; Humans; Infertility; Insemination, Artificial; Letrozole; Menopause; Menotropins; Ovulation

2023
Optimal lead follicle size in letrozole human menopausal gonadotrophin intrauterine insemination cycles with and without spontaneous LH surge.
    Reproductive biomedicine online, 2023, Volume: 46, Issue:3

    Topics: Female; Humans; Infertility; Insemination, Artificial; Letrozole; Menopause; Menotropins; Ovulation

2023
Optimal lead follicle size in letrozole human menopausal gonadotrophin intrauterine insemination cycles with and without spontaneous LH surge.
    Reproductive biomedicine online, 2023, Volume: 46, Issue:3

    Topics: Female; Humans; Infertility; Insemination, Artificial; Letrozole; Menopause; Menotropins; Ovulation

2023
Esr1 but Not CYP19A1 Overexpression in Mammary Epithelial Cells during Reproductive Senescence Induces Pregnancy-Like Proliferative Mammary Disease Responsive to Anti-Hormonals.
    The American journal of pathology, 2023, Volume: 193, Issue:1

    Topics: Animals; Aromatase; Epithelial Cells; Estrogen Receptor alpha; Estrogens; Female; Gene Expression; L

2023
Esr1 but Not CYP19A1 Overexpression in Mammary Epithelial Cells during Reproductive Senescence Induces Pregnancy-Like Proliferative Mammary Disease Responsive to Anti-Hormonals.
    The American journal of pathology, 2023, Volume: 193, Issue:1

    Topics: Animals; Aromatase; Epithelial Cells; Estrogen Receptor alpha; Estrogens; Female; Gene Expression; L

2023
Esr1 but Not CYP19A1 Overexpression in Mammary Epithelial Cells during Reproductive Senescence Induces Pregnancy-Like Proliferative Mammary Disease Responsive to Anti-Hormonals.
    The American journal of pathology, 2023, Volume: 193, Issue:1

    Topics: Animals; Aromatase; Epithelial Cells; Estrogen Receptor alpha; Estrogens; Female; Gene Expression; L

2023
Esr1 but Not CYP19A1 Overexpression in Mammary Epithelial Cells during Reproductive Senescence Induces Pregnancy-Like Proliferative Mammary Disease Responsive to Anti-Hormonals.
    The American journal of pathology, 2023, Volume: 193, Issue:1

    Topics: Animals; Aromatase; Epithelial Cells; Estrogen Receptor alpha; Estrogens; Female; Gene Expression; L

2023
Effect of different timing of letrozole initiation on pregnancy outcome in polycystic ovary syndrome.
    Frontiers in endocrinology, 2022, Volume: 13

    Topics: Clomiphene; Female; Fertility Agents, Female; Humans; Infertility, Female; Letrozole; Nitriles; Poly

2022
Effect of different timing of letrozole initiation on pregnancy outcome in polycystic ovary syndrome.
    Frontiers in endocrinology, 2022, Volume: 13

    Topics: Clomiphene; Female; Fertility Agents, Female; Humans; Infertility, Female; Letrozole; Nitriles; Poly

2022
Effect of different timing of letrozole initiation on pregnancy outcome in polycystic ovary syndrome.
    Frontiers in endocrinology, 2022, Volume: 13

    Topics: Clomiphene; Female; Fertility Agents, Female; Humans; Infertility, Female; Letrozole; Nitriles; Poly

2022
Effect of different timing of letrozole initiation on pregnancy outcome in polycystic ovary syndrome.
    Frontiers in endocrinology, 2022, Volume: 13

    Topics: Clomiphene; Female; Fertility Agents, Female; Humans; Infertility, Female; Letrozole; Nitriles; Poly

2022
Single dose letrozole and misoprostol for termination of pregnancy through 63 days' gestation: A pilot study.
    Contraception, 2023, Volume: 120

    Topics: Abortifacient Agents, Nonsteroidal; Abortion, Induced; Administration, Intravaginal; Female; Humans;

2023
Single dose letrozole and misoprostol for termination of pregnancy through 63 days' gestation: A pilot study.
    Contraception, 2023, Volume: 120

    Topics: Abortifacient Agents, Nonsteroidal; Abortion, Induced; Administration, Intravaginal; Female; Humans;

2023
Single dose letrozole and misoprostol for termination of pregnancy through 63 days' gestation: A pilot study.
    Contraception, 2023, Volume: 120

    Topics: Abortifacient Agents, Nonsteroidal; Abortion, Induced; Administration, Intravaginal; Female; Humans;

2023
Single dose letrozole and misoprostol for termination of pregnancy through 63 days' gestation: A pilot study.
    Contraception, 2023, Volume: 120

    Topics: Abortifacient Agents, Nonsteroidal; Abortion, Induced; Administration, Intravaginal; Female; Humans;

2023
Retrospective analysis: The application of human menopausal gonadotropin combined with letrozole for IUI in patients undergoing artificial insemination by husband due to unexplained or mild male factors.
    Frontiers in endocrinology, 2022, Volume: 13

    Topics: Female; Humans; Infertility; Insemination, Artificial; Letrozole; Male; Menotropins; Pregnancy; Retr

2022
Live birth associated with peak serum estradiol levels in letrozole intrauterine insemination cycles.
    Fertility and sterility, 2023, Volume: 119, Issue:5

    Topics: Chorionic Gonadotropin; Estradiol; Female; Humans; Insemination; Insemination, Artificial; Letrozole

2023
Ovarian Response can be Predicted in Women with PCOS who have Ovulation Induction with Letrozole.
    Journal of the College of Physicians and Surgeons--Pakistan : JCPSP, 2023, Volume: 33, Issue:2

    Topics: Cohort Studies; Female; Fertility Agents, Female; Follicle Stimulating Hormone; Humans; Infertility,

2023
Comparison of pregnancy outcomes of letrozole-induced frozen-thawed embryo transfer cycles in PCOS women with two different abnormal ovulation patterns: A retrospective cohort study.
    Medicine, 2023, Feb-17, Volume: 102, Issue:7

    Topics: Abortion, Spontaneous; Embryo Transfer; Female; Humans; Letrozole; Ovulation; Ovulation Induction; P

2023
Pregnancy and neonatal outcomes of letrozole versus natural cycle frozen embryo transfer of autologous euploid blastocyst.
    Journal of assisted reproduction and genetics, 2023, Volume: 40, Issue:4

    Topics: Blastocyst; Cryopreservation; Embryo Transfer; Female; Humans; Infant, Newborn; Letrozole; Pregnancy

2023
Letrozole cotreatment improves the follicular output rate in high-body-mass-index women with polycystic ovary syndrome undergoing IVF treatment.
    Frontiers in endocrinology, 2023, Volume: 14

    Topics: Body Mass Index; Female; Fertilization in Vitro; Humans; Infertility, Female; Letrozole; Polycystic

2023
Effectiveness of letrozole in pituitary downregulated normogonadotrophic young women with an initial poor response.
    Medicine, 2023, Apr-14, Volume: 102, Issue:15

    Topics: Chorionic Gonadotropin; Female; Fertilization in Vitro; Follicle Stimulating Hormone; Gonadotropin-R

2023
Predictors of response to ovulation induction using letrozole in women with polycystic ovary syndrome.
    BMC endocrine disorders, 2023, Apr-25, Volume: 23, Issue:1

    Topics: Female; Fertility Agents, Female; Follicle Stimulating Hormone; Humans; Letrozole; Luteinizing Hormo

2023
Ovulation induction with letrozole and dexamethasone in infertile patients with letrozole-resistant polycystic ovary syndrome.
    Journal of assisted reproduction and genetics, 2023, Volume: 40, Issue:6

    Topics: Clomiphene; Dexamethasone; Female; Fertility Agents, Female; Humans; Infertility, Female; Letrozole;

2023
The effect of gonadotrophin-releasing hormone agonist versus human chorionic gonadotrophin trigger on pregnancy and neonatal outcomes in Letrozole-HMG IUI cycles.
    BMC pregnancy and childbirth, 2023, Jul-13, Volume: 23, Issue:1

    Topics: Abortion, Spontaneous; Chorionic Gonadotropin; Female; Fertilization in Vitro; Gonadotropin-Releasin

2023
Outcomes of random-start letrozole protocol with PGT-A in women with breast cancer undergoing fertility preservation.
    Journal of assisted reproduction and genetics, 2023, Volume: 40, Issue:10

    Topics: Adult; Breast Neoplasms; Cryopreservation; Female; Fertility Preservation; Humans; Letrozole; Ovulat

2023
Impact of letrozole co-treatment during ovarian stimulation on oocyte yield, embryo development, and live birth rate in women with normal ovarian reserve: secondary outcomes from the RIOT trial.
    Human reproduction (Oxford, England), 2023, 11-02, Volume: 38, Issue:11

    Topics: Birth Rate; Embryonic Development; Estradiol; Female; Fertilization in Vitro; Follicle Stimulating H

2023
The effect of letrozole overlapped with gonadotropin on IVF outcomes in women with DOR or aged over 40 years old with repeated cycles.
    Journal of ovarian research, 2023, Sep-18, Volume: 16, Issue:1

    Topics: Adult; Aged; Female; Fertilization in Vitro; Gonadotropin-Releasing Hormone; Gonadotropins; Hormone

2023
Letrozole use in vitrified single-blastocyst transfer cycles is associated with lower risk of large for gestational age infants in patients with polycystic ovary syndrome.
    Journal of assisted reproduction and genetics, 2023, Volume: 40, Issue:12

    Topics: Cryopreservation; Embryo Transfer; Female; Humans; Infant, Large for Gestational Age; Infant, Newbor

2023
Association between follicle size, endometrial thickness, and types of ovarian stimulation (Clomiphene citrate and Letrozole) with biochemical pregnancy rate in women undergone intrauterine insemination.
    BMC research notes, 2023, Oct-24, Volume: 16, Issue:1

    Topics: Case-Control Studies; Clomiphene; Female; Fertility Agents, Female; Humans; Infertility, Female; Ins

2023
Letrozole-stimulated endometrial preparation protocol is a superior alternative to hormone replacement treatment for frozen embryo transfer in women with polycystic ovary syndrome, a cohort study.
    Reproductive biology and endocrinology : RB&E, 2023, Oct-27, Volume: 21, Issue:1

    Topics: Abortion, Spontaneous; Adult; Cohort Studies; Cryopreservation; Diabetes, Gestational; Embryo Transf

2023
Impact of 2.5 mg versus 5 mg letrozole co-treatment in an antagonist protocol for IVF: a retrospective study.
    Frontiers in endocrinology, 2023, Volume: 14

    Topics: China; Female; Fertilization in Vitro; Gonadotropin-Releasing Hormone; Humans; Infant, Newborn; Infe

2023
Pregnancy And Neonatal Outcomes Of hMG Stimulation With Or Without Letrozole In Endometrial Preparation For Frozen-Thawed Embryo Transfer In Ovulatory Women: A Large Retrospective Cohort Study.
    Drug design, development and therapy, 2019, Volume: 13

    Topics: Adult; Cohort Studies; Cryopreservation; Embryo Transfer; Endometrium; Female; Humans; Letrozole; Me

2019
IVF stimulation in pregnancy: lessons to be learned with implications for the luteal phase start IVF cycle.
    Journal of assisted reproduction and genetics, 2020, Volume: 37, Issue:2

    Topics: Female; Fertility Preservation; Humans; Letrozole; Luteal Phase; Oocyte Retrieval; Ovulation Inducti

2020
The effect of intra-ovarian androgen priming on ovarian reserve parameters in Bologna poor responders.
    Reproductive biomedicine online, 2020, Volume: 40, Issue:2

    Topics: Adolescent; Adult; Anti-Mullerian Hormone; Aromatase Inhibitors; Chorionic Gonadotropin; Female; Fer

2020
Investigating the impact of fertility treatment on child health: the struggle is real!
    Fertility and sterility, 2020, Volume: 113, Issue:5

    Topics: Child; Child Health; Clomiphene; Follow-Up Studies; Gonadotropins; Humans; Letrozole; Pregnancy; Reg

2020
Pregnancy registry: three-year follow-up of children conceived from letrozole, clomiphene, or gonadotropins.
    Fertility and sterility, 2020, Volume: 113, Issue:5

    Topics: Adult; Age Factors; Child Behavior; Child Development; Child, Preschool; Clomiphene; Cognition; Fema

2020
Successful live birth in a woman with resistant ovary syndrome treated with letrozole and HMG: A case report.
    Medicine, 2020, Volume: 99, Issue:20

    Topics: Adult; Aromatase Inhibitors; Drug Therapy, Combination; Female; Gonadotropins; Humans; Infertility,

2020
Lack of interaction between prenatal stress and prenatal letrozole to induce same-sex preference in male rats.
    Physiology & behavior, 2020, 10-01, Volume: 224

    Topics: Animals; Ejaculation; Estradiol; Female; Letrozole; Male; Pregnancy; Prenatal Exposure Delayed Effec

2020
Letrozole: future alternative to methotrexate for treatment of ectopic pregnancy?
    Fertility and sterility, 2020, Volume: 114, Issue:2

    Topics: Abortifacient Agents, Nonsteroidal; Aromatase Inhibitors; Female; Humans; Letrozole; Methotrexate; P

2020
Aromatase inhibitor letrozole: a novel treatment for ectopic pregnancy.
    Fertility and sterility, 2020, Volume: 114, Issue:2

    Topics: Abortifacient Agents, Nonsteroidal; Adolescent; Adult; Anti-Mullerian Hormone; Aromatase Inhibitors;

2020
Predictors and outcomes in breast cancer patients who did or did not pursue fertility preservation.
    Breast cancer research and treatment, 2021, Volume: 186, Issue:2

    Topics: Breast Neoplasms; Female; Fertility Preservation; Humans; Letrozole; Neoplasm Recurrence, Local; Ovu

2021
Cholesterol-cyclodextrin complex as a replacement for egg yolk in bull semen extender: sperm characteristics post-thawing and in vivo fertility.
    Animal reproduction science, 2021, Volume: 225

    Topics: Animals; Cattle; Cholestyramine Resin; Cryopreservation; Cyclodextrins; Egg Yolk; Estrus Synchroniza

2021
Comparison of in vitro fertilization cycles stimulated with 20 mg letrozole daily versus high-dose gonadotropins in Rotterdam Consensus ultra-poor responders: A proof of concept.
    International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics, 2022, Volume: 156, Issue:1

    Topics: Canada; Consensus; Female; Fertilization in Vitro; Gonadotropins; Humans; Letrozole; Ovulation Induc

2022
Letrozole-induced frozen embryo transfer cycles are associated with a lower risk of hypertensive disorders of pregnancy among women with polycystic ovary syndrome.
    American journal of obstetrics and gynecology, 2021, Volume: 225, Issue:1

    Topics: Adult; Cesarean Section; Cryopreservation; Embryo Transfer; Female; Humans; Hypertension, Pregnancy-

2021
Comparison of frozen-thawed embryo transfer protocols in patients with previous cycle cancellation due to uterine peristalsis: a pilot study
    Turkish journal of medical sciences, 2021, 06-28, Volume: 51, Issue:3

    Topics: Cryopreservation; Embryo Transfer; Female; Humans; Letrozole; Peristalsis; Pilot Projects; Pregnancy

2021
A Novel Stimulation Protocol for Poor-Responder Patients: Combining the Stop GnRH-ag Protocol with Letrozole Priming and Multiple-Dose GnRH-ant: A Proof of Concept.
    Gynecologic and obstetric investigation, 2021, Volume: 86, Issue:1-2

    Topics: Adult; Animals; Ants; Aromatase Inhibitors; Chorionic Gonadotropin; Female; Fertilization in Vitro;

2021
Does the additional use of clomiphene citrate or letrozole for in vitro fertilization deserve more attention?
    BMC pregnancy and childbirth, 2021, Apr-01, Volume: 21, Issue:1

    Topics: Administration, Oral; Adult; Clomiphene; Dose-Response Relationship, Drug; Embryo Transfer; Feasibil

2021
Comparison of Pregnancy and Neonatal Outcomes of Single Frozen Blastocyst Transfer Between Letrozole-Induction and HRT Cycles in Patients With Abnormal Ovulation.
    Frontiers in endocrinology, 2021, Volume: 12

    Topics: Adult; Aromatase Inhibitors; Embryo Transfer; Embryo, Mammalian; Female; Fertilization in Vitro; Fol

2021
Can methods of artificial intelligence aid in optimizing patient selection in patients undergoing intrauterine inseminations?
    Journal of assisted reproduction and genetics, 2021, Volume: 38, Issue:7

    Topics: Adult; Artificial Intelligence; Clomiphene; Decision Making, Computer-Assisted; Female; Fertility Ag

2021
Application of Pulsed Rhythmic Drug Administration to Ovulation Induction Therapy in PCOS Patients with Clomiphene-Resistance: a Retrospective Research.
    Reproductive sciences (Thousand Oaks, Calif.), 2021, Volume: 28, Issue:11

    Topics: Adult; Aromatase Inhibitors; Clomiphene; Drug Administration Routes; Drug Resistance; Female; Fertil

2021
Comparison of the efficacy of letrozole stair-step protocol with clomiphene citrate stair-step protocol in the management of clomiphene citrate-resistant polycystic ovary syndrome patients.
    The journal of obstetrics and gynaecology research, 2021, Volume: 47, Issue:11

    Topics: Clomiphene; Female; Fertility Agents, Female; Humans; Infertility, Female; Letrozole; Ovulation Indu

2021
Letrozole as an adjunct treatment in antagonist cycles that previously failed in poor responders.
    Ginekologia polska, 2022, Volume: 93, Issue:4

    Topics: Female; Fertilization in Vitro; Follicle Stimulating Hormone; Gonadotropin-Releasing Hormone; Gonado

2022
Letrozole as first-line drug for ovulation induction in treatment-naïve infertile polycystic ovarian syndrome women.
    The journal of obstetrics and gynaecology research, 2021, Volume: 47, Issue:10

    Topics: Cohort Studies; Female; Fertility Agents, Female; Humans; Infertility, Female; Letrozole; Ovulation;

2021
Melasma treatment: A novel approach using a topical agent that contains an anti-estrogen and a vascular endothelial growth factor inhibitor.
    Medical hypotheses, 2017, Volume: 101

    Topics: Administration, Topical; Anastrozole; Androstadienes; Aromatase Inhibitors; Estrogens; Female; Genet

2017
Pregnancy and neonatal outcomes following letrozole use in frozen-thawed single embryo transfer cycles.
    Human reproduction (Oxford, England), 2017, 06-01, Volume: 32, Issue:6

    Topics: Abortion, Spontaneous; Aromatase Inhibitors; Blastocyst; Cohort Studies; Cryopreservation; Female; F

2017
A successful live birth with in vitro fertilization and thawed embryo transfer after conservative treatment of recurrent endometrial cancer.
    Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology, 2018, Volume: 34, Issue:1

    Topics: Adult; Antineoplastic Agents, Hormonal; Conservative Treatment; Cryopreservation; Embryo Transfer; E

2018
Does daily co-administration of letrozole and gonadotropins during ovarian stimulation improve IVF outcome?
    Reproductive biology and endocrinology : RB&E, 2017, Aug-30, Volume: 15, Issue:1

    Topics: Adult; Case-Control Studies; Drug Administration Schedule; Drug Therapy, Combination; Female; Fertil

2017
When clomiphene is no longer available….
    Journal of obstetrics and gynaecology Canada : JOGC = Journal d'obstetrique et gynecologie du Canada : JOGC, 2017, Volume: 39, Issue:9

    Topics: Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Female; Humans; Letrozole; Ovulation Ind

2017
Ovulation induction and controlled ovarian stimulation using letrozole gonadotropin combination: A single center retrospective cohort study.
    European journal of obstetrics, gynecology, and reproductive biology, 2017, Volume: 218

    Topics: Adult; Drug Therapy, Combination; Endometriosis; Female; Fertility Agents, Female; Follicle Stimulat

2017
Aromatase inhibitor use during ovarian stimulation suppresses growth of uterine endometrial cancer in xenograft mouse model.
    Human reproduction (Oxford, England), 2018, 02-01, Volume: 33, Issue:2

    Topics: Animals; Antineoplastic Agents; Aromatase Inhibitors; Endometrial Neoplasms; Estradiol; Female; Fert

2018
Influence of the conclusion of a recent large cooperative study in changing standard protocol of inducing menses in anovulatory women with oligomenorrhea prior to initiating ovulation induction with anti-estrogens and outcome.
    Clinical and experimental obstetrics & gynecology, 2017, Volume: 44, Issue:2

    Topics: Adult; Anovulation; Clomiphene; Endometrium; Estrogen Antagonists; Estrogens; Female; Fertility Agen

2017
Ovarian stimulation in infertile women treated with the use of intrauterine insemination: a cohort study from China.
    Fertility and sterility, 2018, Volume: 109, Issue:5

    Topics: Adult; China; Cohort Studies; Female; Humans; Infertility, Female; Insemination, Artificial; Letrozo

2018
Male rats with same-sex preference show higher immobility in the forced swim test, but similar effects of fluoxetine and desipramine than males that prefer females.
    Pharmacology, biochemistry, and behavior, 2018, Volume: 171

    Topics: Animals; Desipramine; Female; Fluoxetine; Immobility Response, Tonic; Letrozole; Male; Motor Activit

2018
Comparison of the pregnancy outcomes and the incidence of fetal congenital abnormalities in infertile women treated with letrozole and clomiphene citrate.
    The journal of obstetrics and gynaecology research, 2018, Volume: 44, Issue:6

    Topics: Abnormalities, Drug-Induced; Adult; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Fema

2018
A Retrospective Study of Letrozole Treatment Prior to Human Chorionic Gonadotropin in Women with Polycystic Ovary Syndrome Undergoing In Vitro Fertilization at Risk of Ovarian Hyperstimulation Syndrome.
    Medical science monitor : international medical journal of experimental and clinical research, 2018, Jun-20, Volume: 24

    Topics: Adult; China; Chorionic Gonadotropin; Embryo Transfer; Female; Fertilization in Vitro; Humans; Infer

2018
Mild ovarian stimulation with letrozole plus fixed dose human menopausal gonadotropin prior to IVF/ICSI for infertile non-obese women with polycystic ovarian syndrome being pre-treated with metformin: a pilot study.
    Reproductive biology and endocrinology : RB&E, 2018, Sep-14, Volume: 16, Issue:1

    Topics: Adult; Female; Gonadotropins; Humans; Infertility, Female; Letrozole; Metformin; Nitriles; Oocyte Re

2018
Misclassification in Assessment of First Trimester In-utero Exposure to Drugs Used Proximally to Conception: the Example of Letrozole Utilization for Infertility Treatment.
    American journal of epidemiology, 2019, 02-01, Volume: 188, Issue:2

    Topics: Adolescent; Adult; Algorithms; Aromatase Inhibitors; Child; Female; Fertilization; Fertilization in

2019
Luteal support with vaginal dydrogesterone increases pregnancy rate in patients with clomifene resistant polycystic ovary syndrome receiving letrozole for ovulation induction.
    Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology, 2019, Volume: 35, Issue:3

    Topics: Administration, Intravaginal; Adult; Clomiphene; Dydrogesterone; Female; Fertility Agents, Female; H

2019
Management of recurrent implantation failure by gonadotropin-releasing hormone agonist and aromatase inhibitor suppression, in women without evidence of endometriosis.
    Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology, 2019, Volume: 35, Issue:3

    Topics: Adult; Aromatase Inhibitors; Embryo Implantation; Embryo Transfer; Female; Fertility Agents, Female;

2019
Ovulation induction and intrauterine insemination in infertile women with polycystic ovary syndrome: A comparison of drugs.
    European journal of obstetrics, gynecology, and reproductive biology, 2018, Volume: 231

    Topics: Adult; Birth Rate; Clomiphene; Female; Fertility Agents, Female; Humans; Infertility, Female; Insemi

2018
Letrozole for patients with polycystic ovary syndrome: A retrospective study.
    Medicine, 2018, Volume: 97, Issue:44

    Topics: Adult; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Female; Humans; Infertility, Fema

2018
Comparision of Letrozole with Timed Intercourse Versus Clomiphene Citrate with Intrauterine Insemination in Patients with Unexplained Infertility.
    The Journal of reproductive medicine, 2016, Volume: 61, Issue:9-10

    Topics: Adult; Clomiphene; Coitus; Endometrium; Female; Fertility Agents, Female; Humans; Infertility, Femal

2016
Translation and implementation of the Australian-led PCOS guideline: clinical summary and translation resources from the International Evidence-based Guideline for the Assessment and Management of Polycystic Ovary Syndrome.
    The Medical journal of Australia, 2018, 10-01, Volume: 209, Issue:S7

    Topics: Adolescent; Adult; Clomiphene; Disease Management; Evidence-Based Medicine; Female; Humans; Infertil

2018
Establishment of partner preference in male rats: Effect of prenatal letrozole and sexual experience.
    Hormones and behavior, 2019, Volume: 109

    Topics: Animals; Aromatase Inhibitors; Choice Behavior; Copulation; Female; Letrozole; Male; Motivation; Pre

2019
A pilot study of gonadotropin-releasing hormone agonist combined with aromatase inhibitor as fertility-sparing treatment in obese patients with endometrial cancer.
    Journal of gynecologic oncology, 2019, Volume: 30, Issue:4

    Topics: Administration, Oral; Adult; Aromatase Inhibitors; Birth Rate; Endometrial Neoplasms; Female; Fertil

2019
Ovulation induction: comparing success rates between anovulatory and ovulatory cycles using different treatment protocols.
    Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology, 2019, Volume: 35, Issue:11

    Topics: Adult; Anovulation; Aromatase Inhibitors; Clomiphene; Female; Follicle Stimulating Hormone; Humans;

2019
Letrozole use during frozen embryo transfer cycles in women with polycystic ovary syndrome.
    Fertility and sterility, 2019, Volume: 112, Issue:2

    Topics: Adult; Blastocyst; Cryopreservation; Embryo Transfer; Female; Fertilization in Vitro; Freezing; Horm

2019
Effect of GnRH agonist and letrozole treatment in women with recurrent implantation failure.
    Fertility and sterility, 2019, Volume: 112, Issue:1

    Topics: Adult; Aromatase Inhibitors; Drug Therapy, Combination; Embryo Implantation; Embryo Transfer; Female

2019
Letrozole stimulation in endometrial preparation for cryopreserved-thawed embryo transfer in women with polycystic ovarian syndrome: a pilot study.
    Clinical endocrinology, 2014, Volume: 80, Issue:2

    Topics: Adult; Aromatase Inhibitors; Cryopreservation; Embryo Transfer; Endometrium; Female; Fertilization i

2014
Predictive factors for pregnancy during the first four intrauterine insemination cycles using gonadotropin.
    Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology, 2013, Volume: 29, Issue:9

    Topics: Adult; Clomiphene; Female; Fertility Agents, Female; Gonadotropins; Humans; Infertility, Female; Ins

2013
Regulation of baboon fetal ovarian development by placental estrogen: onset of puberty is delayed in offspring deprived of estrogen in utero.
    Biology of reproduction, 2013, Volume: 89, Issue:6

    Topics: Animals; Estradiol; Estrogens; Female; Fetal Development; Fetus; Letrozole; Models, Animal; Nitriles

2013
A pilot study on the combined use of letrozole, mifepristone and misoprostol in termination of first trimester pregnancy up to 9 weeks' gestation.
    European journal of obstetrics, gynecology, and reproductive biology, 2013, Volume: 171, Issue:2

    Topics: Abortifacient Agents, Nonsteroidal; Abortifacient Agents, Steroidal; Abortion, Induced; Adult; Aroma

2013
The comparision of effect of microdose GnRH-a flare-up, GnRH antagonist/aromatase inhibitor letrozole and GnRH antagonist/clomiphene citrate protocols on IVF outcomes in poor responder patients.
    Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology, 2014, Volume: 30, Issue:7

    Topics: Adult; Aromatase Inhibitors; Clomiphene; Estradiol; Female; Gonadotropin-Releasing Hormone; Humans;

2014
Comparison of estradiol and progesterone priming/antagonist/letrozole and microdose flare-up protocols for poor responders undergoing intracytoplasmic sperm injection.
    Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology, 2014, Volume: 30, Issue:9

    Topics: Adult; Estradiol; Female; Gonadotropin-Releasing Hormone; Humans; Letrozole; Nitriles; Ovulation Ind

2014
Placental estrogen suppresses cyclin D1 expression in the nonhuman primate fetal adrenal cortex.
    Endocrinology, 2014, Volume: 155, Issue:12

    Topics: Adrenal Cortex; Animals; Aromatase Inhibitors; Carrier Proteins; Cyclin D1; Cyclin-Dependent Kinases

2014
Congenital malformations among babies born following letrozole or clomiphene for infertility treatment.
    PloS one, 2014, Volume: 9, Issue:10

    Topics: Birth Weight; Child; Child, Preschool; Clomiphene; Congenital Abnormalities; Female; Fertility Agent

2014
Prenatal hyperandrogenic environment induced autistic-like behavior in rat offspring.
    Physiology & behavior, 2015, Volume: 138

    Topics: Androgens; Animals; Arginine Vasopressin; Child Development Disorders, Pervasive; Disease Models, An

2015
Prenatal letrozole produces a subpopulation of male rats with same-sex preference and arousal as well as female sexual behavior.
    Physiology & behavior, 2015, Volume: 139

    Topics: Animals; Aromatase Inhibitors; Dose-Response Relationship, Drug; Estradiol; Female; Follicle Stimula

2015
First reported case of sextuplets conceived via letrozole for ovulation induction.
    Fertility and sterility, 2015, Volume: 103, Issue:2

    Topics: Adult; Aromatase Inhibitors; Female; Humans; Infertility, Female; Letrozole; Multiple Birth Offsprin

2015
Minimal stimulation using gonadotropin combined with clomiphene citrate or letrozole for intrauterine insemination.
    Yonsei medical journal, 2015, Volume: 56, Issue:2

    Topics: Adult; Aromatase Inhibitors; Clomiphene; Drug Administration Schedule; Drug Combinations; Female; Fe

2015
In defense of publishing baseline data from clinical trials.
    Fertility and sterility, 2015, Volume: 103, Issue:4

    Topics: Clomiphene; Female; Fertility Agents, Female; Gonadotropins; Humans; Infertility, Female; Letrozole;

2015
Fertility Preservation Success Subsequent to Concurrent Aromatase Inhibitor Treatment and Ovarian Stimulation in Women With Breast Cancer.
    Journal of clinical oncology : official journal of the American Society of Clinical Oncology, 2015, Aug-01, Volume: 33, Issue:22

    Topics: Adult; Aromatase Inhibitors; Breast Neoplasms; Cryopreservation; Embryo, Mammalian; Female; Fertilit

2015
Fertility Preservation Success Subsequent to Concurrent Aromatase Inhibitor Treatment and Ovarian Stimulation in Women With Breast Cancer.
    Journal of clinical oncology : official journal of the American Society of Clinical Oncology, 2015, Aug-01, Volume: 33, Issue:22

    Topics: Adult; Aromatase Inhibitors; Breast Neoplasms; Cryopreservation; Embryo, Mammalian; Female; Fertilit

2015
Fertility Preservation Success Subsequent to Concurrent Aromatase Inhibitor Treatment and Ovarian Stimulation in Women With Breast Cancer.
    Journal of clinical oncology : official journal of the American Society of Clinical Oncology, 2015, Aug-01, Volume: 33, Issue:22

    Topics: Adult; Aromatase Inhibitors; Breast Neoplasms; Cryopreservation; Embryo, Mammalian; Female; Fertilit

2015
Fertility Preservation Success Subsequent to Concurrent Aromatase Inhibitor Treatment and Ovarian Stimulation in Women With Breast Cancer.
    Journal of clinical oncology : official journal of the American Society of Clinical Oncology, 2015, Aug-01, Volume: 33, Issue:22

    Topics: Adult; Aromatase Inhibitors; Breast Neoplasms; Cryopreservation; Embryo, Mammalian; Female; Fertilit

2015
A Novel Letrozole Model Recapitulates Both the Reproductive and Metabolic Phenotypes of Polycystic Ovary Syndrome in Female Mice.
    Biology of reproduction, 2015, Volume: 93, Issue:3

    Topics: Animals; Corpus Luteum; Diestrus; Enzyme Inhibitors; Estrous Cycle; Female; Hyperandrogenism; Hypoth

2015
Estrogen or anti-estrogen for Bologna poor responders?
    Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology, 2015, Volume: 31, Issue:12

    Topics: Adult; Aromatase Inhibitors; Chorionic Gonadotropin; Embryo Transfer; Estradiol; Estrogens; Female;

2015
Controlled ovarian hyperstimulation with sequential letrozole co-treatment in normo/high responders.
    Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology, 2016, Volume: 32, Issue:3

    Topics: Adult; Aromatase Inhibitors; Chorionic Gonadotropin; Female; Gonadotropin-Releasing Hormone; Humans;

2016
Luteal-phase ovarian stimulation is a feasible method for poor ovarian responders undergoing in vitro fertilization/intracytoplasmic sperm injection-embryo transfer treatment compared to a GnRH antagonist protocol: A retrospective study.
    Taiwanese journal of obstetrics & gynecology, 2016, Volume: 55, Issue:1

    Topics: Adult; Clomiphene; Embryo Transfer; Feasibility Studies; Female; Fertility Agents, Female; Gonadotro

2016
Luteal-phase ovarian stimulation is a feasible method for poor ovarian responders undergoing in vitro fertilization/intracytoplasmic sperm injection-embryo transfer treatment compared to a GnRH antagonist protocol: A retrospective study.
    Taiwanese journal of obstetrics & gynecology, 2016, Volume: 55, Issue:1

    Topics: Adult; Clomiphene; Embryo Transfer; Feasibility Studies; Female; Fertility Agents, Female; Gonadotro

2016
Luteal-phase ovarian stimulation is a feasible method for poor ovarian responders undergoing in vitro fertilization/intracytoplasmic sperm injection-embryo transfer treatment compared to a GnRH antagonist protocol: A retrospective study.
    Taiwanese journal of obstetrics & gynecology, 2016, Volume: 55, Issue:1

    Topics: Adult; Clomiphene; Embryo Transfer; Feasibility Studies; Female; Fertility Agents, Female; Gonadotro

2016
Luteal-phase ovarian stimulation is a feasible method for poor ovarian responders undergoing in vitro fertilization/intracytoplasmic sperm injection-embryo transfer treatment compared to a GnRH antagonist protocol: A retrospective study.
    Taiwanese journal of obstetrics & gynecology, 2016, Volume: 55, Issue:1

    Topics: Adult; Clomiphene; Embryo Transfer; Feasibility Studies; Female; Fertility Agents, Female; Gonadotro

2016
Twin delivery after IVF-ET with variable dose letrozole-FSH protocol of lower estradiol in a patient previously treated for breast cancer: a case report.
    European journal of gynaecological oncology, 2016, Volume: 37, Issue:2

    Topics: Adenocarcinoma, Mucinous; Adult; Aromatase Inhibitors; Breast Neoplasms; Embryo Transfer; Estradiol;

2016
Estrogen deprivation in primate pregnancy leads to insulin resistance in offspring.
    The Journal of endocrinology, 2016, Volume: 230, Issue:2

    Topics: Animals; Blood Glucose; Estradiol; Female; Fetal Development; Insulin; Insulin Resistance; Insulin S

2016
A comparison among different methods of letrozole combined with gonadotropin in an antagonist protocol and high-dose gonadotropin ovarian stimulation antagonist protocol in poor ovarian responders undergoing in vitro fertilization.
    Archives of gynecology and obstetrics, 2016, Volume: 294, Issue:5

    Topics: Adult; Antineoplastic Agents; Birth Rate; Female; Fertilization in Vitro; Gonadotropin-Releasing Hor

2016
The impact of ovarian stimulation on the outcome of intrauterine insemination treatment: an analysis of 8893 cycles.
    BJOG : an international journal of obstetrics and gynaecology, 2016, Volume: 123 Suppl 3

    Topics: China; Clomiphene; Female; Fertilization in Vitro; Humans; Insemination, Artificial; Letrozole; Live

2016
Insulin resistance elicited in postpubertal primate offspring deprived of estrogen in utero.
    Endocrine, 2016, Volume: 54, Issue:3

    Topics: Animals; Aromatase Inhibitors; Estradiol; Female; Glucose Tolerance Test; Insulin Resistance; Letroz

2016
Altered expression of miRNAs in the uterus from a letrozole-induced rat PCOS model.
    Gene, 2017, Jan-20, Volume: 598

    Topics: Animals; Disease Models, Animal; Estrus; Female; Gene Expression; Humans; Letrozole; MicroRNAs; Nitr

2017
No increased risk of major congenital anomalies or adverse pregnancy or neonatal outcomes following letrozole use in assisted reproductive technology.
    Human reproduction (Oxford, England), 2017, Volume: 32, Issue:1

    Topics: Abnormalities, Drug-Induced; Abortion, Spontaneous; Adult; Aromatase Inhibitors; Female; Fertilizati

2017
Clomiphene Citrate versus Letrozole for Ovarian Stimulation in Therapeutic Donor Sperm Insemination.
    Gynecologic and obstetric investigation, 2017, Volume: 82, Issue:5

    Topics: Adult; Aromatase Inhibitors; Canada; Clomiphene; Female; Fertility Agents, Female; Humans; Infertili

2017
Prenatal administration of letrozole reduces SDN and SCN volume and cell number independent of partner preference in the male rat.
    Physiology & behavior, 2017, 03-15, Volume: 171

    Topics: Analysis of Variance; Animals; Antineoplastic Agents; Cell Count; Female; Letrozole; Male; Mating Pr

2017
GnRH antagonist and letrozole co-treatment in diminished ovarian reserve patients: a proof-of-concept study.
    Reproductive biology, 2017, Volume: 17, Issue:1

    Topics: Adult; Aromatase Inhibitors; Drug Therapy, Combination; Estradiol; Female; Fertility Agents, Female;

2017
A retrospective analysis of ovarian stimulation with letrozole in women undergoing artificial insemination by donor.
    Reproductive biomedicine online, 2017, Volume: 34, Issue:4

    Topics: Aromatase Inhibitors; Estradiol; Female; Gonadotropins; Humans; Insemination, Artificial, Heterologo

2017
Mild versus conventional antagonist ovarian stimulation protocols in expected normal responders undergoing IVF/ICSI: a case-control study.
    Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology, 2017, Volume: 33, Issue:7

    Topics: Adult; Case-Control Studies; Clomiphene; Female; Fertility Agents, Female; Fertilization in Vitro; H

2017
Letrozole combined with low dose highly purified HMG for ovulation induction in clomiphene citrate-resistant infertile Chinese women with polycystic ovary syndrome: a prospective study.
    Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology, 2017, Volume: 33, Issue:6

    Topics: Adult; Aromatase Inhibitors; Clomiphene; Female; Fertility Agents, Female; Humans; Letrozole; Menotr

2017
Effects of maternal exposure to an aromatase inhibitor on sexual behaviour and neurochemical and endocrine aspects of adult male rat.
    Reproduction, fertility, and development, 2008, Volume: 20, Issue:5

    Topics: Animals; Aromatase Inhibitors; Biogenic Monoamines; Body Weight; Brain Chemistry; Endocrine System;

2008
Antagonist/letrozole protocol in poor ovarian responders for intracytoplasmic sperm injection: a comparative study with the microdose flare-up protocol.
    Fertility and sterility, 2009, Volume: 92, Issue:1

    Topics: Adult; Aromatase Inhibitors; Case-Control Studies; Dose-Response Relationship, Drug; Estradiol; Estr

2009
Aromatase inhibition during adolescence reduces adult sexual and paternal behavior in the biparental dwarf hamster Phodopus campbelli.
    Hormones and behavior, 2008, Volume: 54, Issue:5

    Topics: Age Factors; Algorithms; Animals; Aromatase; Aromatase Inhibitors; Cricetinae; Estradiol; Female; Le

2008
[Clinical analysis of assistant treatment proposals for infertile women with polycystic ovary syndrome].
    Zhonghua fu chan ke za zhi, 2008, Volume: 43, Issue:8

    Topics: Adult; Clomiphene; Embryo Transfer; Female; Fertilization in Vitro; Humans; Infertility, Female; Let

2008
Developmental regulation of the expression of the transferrin receptor and Ki67 in oocytes of the baboon fetal ovary by estrogen.
    Endocrine, 2009, Volume: 35, Issue:2

    Topics: Animals; Aromatase Inhibitors; Estradiol; Estrogens; Female; Gene Expression Regulation, Development

2009
Estrogen promotes germ cell and seminiferous tubule development in the baboon fetal testis.
    Biology of reproduction, 2009, Volume: 81, Issue:2

    Topics: Analysis of Variance; Animals; Aromatase Inhibitors; Basement Membrane; Caspase 3; Cell Cycle; Cell

2009
Luteal support with intravaginal progesterone increases clinical pregnancy rates in women with polycystic ovary syndrome using letrozole for ovulation induction.
    Fertility and sterility, 2010, Volume: 94, Issue:2

    Topics: Administration, Intravaginal; Adult; Aromatase Inhibitors; Clomiphene; Female; Humans; Infertility,

2010
Luteal support with intravaginal progesterone increases clinical pregnancy rates in women with polycystic ovary syndrome using letrozole for ovulation induction.
    Fertility and sterility, 2010, Volume: 94, Issue:2

    Topics: Administration, Intravaginal; Adult; Aromatase Inhibitors; Clomiphene; Female; Humans; Infertility,

2010
Luteal support with intravaginal progesterone increases clinical pregnancy rates in women with polycystic ovary syndrome using letrozole for ovulation induction.
    Fertility and sterility, 2010, Volume: 94, Issue:2

    Topics: Administration, Intravaginal; Adult; Aromatase Inhibitors; Clomiphene; Female; Humans; Infertility,

2010
Luteal support with intravaginal progesterone increases clinical pregnancy rates in women with polycystic ovary syndrome using letrozole for ovulation induction.
    Fertility and sterility, 2010, Volume: 94, Issue:2

    Topics: Administration, Intravaginal; Adult; Aromatase Inhibitors; Clomiphene; Female; Humans; Infertility,

2010
Uterine and fetal blood flow indexes and fetal growth assessment after chronic estrogen suppression in the second half of baboon pregnancy.
    American journal of physiology. Heart and circulatory physiology, 2010, Volume: 298, Issue:3

    Topics: Animals; Aromatase Inhibitors; Blood Pressure; Body Weight; Estradiol; Estrogens; Female; Fetal Deve

2010
Control of mammary stem cell function by steroid hormone signalling.
    Nature, 2010, Jun-10, Volume: 465, Issue:7299

    Topics: Animals; Aromatase; Aromatase Inhibitors; CD24 Antigen; Cell Count; ErbB Receptors; Estrogens; Femal

2010
The pregnancy outcome of retrieved excess eggs collected during selective follicular reduction from patients with three or more preovulatory follicles undergoing controlled ovarian stimulation and IUI.
    Human reproduction (Oxford, England), 2010, Volume: 25, Issue:11

    Topics: Adult; Embryo Transfer; Female; Humans; Letrozole; Menotropins; Nitriles; Oocyte Retrieval; Ovulatio

2010
Expression of P-450 aromatase, estrogen receptor α and β, and α-inhibin in the fetal baboon testis after estrogen suppression during the second half of gestation.
    Endocrine, 2011, Volume: 39, Issue:1

    Topics: Animals; Aromatase; Aromatase Inhibitors; Estradiol; Estrogen Receptor alpha; Estrogen Receptor beta

2011
Use of letrozole challenge test to adjust gonadotropin dose in non-down-regulated cycles.
    Fertility and sterility, 2011, Jun-30, Volume: 95, Issue:8

    Topics: Aromatase Inhibitors; Biomarkers; Drug Administration Schedule; Estradiol; Female; Fertility Agents,

2011
Letrozole and gonadotropins versus luteal estradiol and gonadotropin-releasing hormone antagonist protocol in women with a prior low response to ovarian stimulation.
    Fertility and sterility, 2011, Volume: 95, Issue:7

    Topics: Adult; Aromatase Inhibitors; Chi-Square Distribution; Connecticut; Drug Administration Schedule; Est

2011
Hormonal, follicular and endometrial dynamics in letrozole-treated versus natural cycles in patients undergoing controlled ovarian stimulation.
    Reproductive biology and endocrinology : RB&E, 2011, Jun-21, Volume: 9

    Topics: Adult; Aromatase Inhibitors; Endometrium; Female; Fertilization in Vitro; Hormones; Humans; Kinetics

2011
Letrozole or clomiphene citrate as first line for anovulatory infertility: a debate.
    Reproductive biology and endocrinology : RB&E, 2011, Jun-21, Volume: 9

    Topics: Anovulation; Aromatase Inhibitors; Clomiphene; Drug Resistance; Female; Fertility Agents, Female; Hu

2011
Letrozole or clomiphene citrate as first line for anovulatory infertility: a debate.
    Reproductive biology and endocrinology : RB&E, 2011, Jun-21, Volume: 9

    Topics: Anovulation; Aromatase Inhibitors; Clomiphene; Drug Resistance; Female; Fertility Agents, Female; Hu

2011
Letrozole or clomiphene citrate as first line for anovulatory infertility: a debate.
    Reproductive biology and endocrinology : RB&E, 2011, Jun-21, Volume: 9

    Topics: Anovulation; Aromatase Inhibitors; Clomiphene; Drug Resistance; Female; Fertility Agents, Female; Hu

2011
Letrozole or clomiphene citrate as first line for anovulatory infertility: a debate.
    Reproductive biology and endocrinology : RB&E, 2011, Jun-21, Volume: 9

    Topics: Anovulation; Aromatase Inhibitors; Clomiphene; Drug Resistance; Female; Fertility Agents, Female; Hu

2011
Body mass index-associated differences in response to ovulation induction with letrozole.
    Fertility and sterility, 2011, Volume: 96, Issue:5

    Topics: Adult; Alabama; Aromatase Inhibitors; Body Mass Index; Chi-Square Distribution; Female; Fertility Ag

2011
Does the addition of clomiphene citrate or letrazole to gonadotropin treatment enhance the oocyte yield in poor responders undergoing IVF?
    Journal of assisted reproduction and genetics, 2011, Volume: 28, Issue:11

    Topics: Adult; Birth Rate; Clomiphene; Embryo Transfer; Estradiol; Estrogen Antagonists; Female; Fertilizati

2011
Use of the aromatase inhibitor letrozole for ovulation induction in women with polycystic ovarian syndrome.
    Clinical obstetrics and gynecology, 2011, Volume: 54, Issue:4

    Topics: Anovulation; Aromatase Inhibitors; Clomiphene; Congenital Abnormalities; Female; Fertility Agents, F

2011
Controlled ovarian hyperstimulation in women with polycystic ovarian syndrome with or without intrauterine insemination.
    Gynecological endocrinology : the official journal of the International Society of Gynecological Endocrinology, 2012, Volume: 28, Issue:7

    Topics: Adult; Aromatase Inhibitors; Clomiphene; Cohort Studies; Female; Fertility Agents, Female; Gonadotro

2012
Endometrial receptivity defects during IVF cycles with and without letrozole.
    Human reproduction (Oxford, England), 2012, Volume: 27, Issue:3

    Topics: Adult; Aromatase Inhibitors; Birth Rate; Embryo Implantation; Endometrium; Female; Fertilization in

2012
What is the optimal follicular size before triggering ovulation in intrauterine insemination cycles with clomiphene citrate or letrozole? An analysis of 988 cycles.
    Fertility and sterility, 2012, Volume: 97, Issue:5

    Topics: Adult; Chi-Square Distribution; Chorionic Gonadotropin; Clomiphene; Drug Administration Schedule; Dr

2012
Zoledronic acid inhibits aromatase activity and phosphorylation: potential mechanism for additive zoledronic acid and letrozole drug interaction.
    The Journal of steroid biochemistry and molecular biology, 2012, Volume: 132, Issue:3-5

    Topics: Aromatase; Aromatase Inhibitors; Cell Survival; Diphosphonates; Drug Synergism; Estradiol; Female; H

2012
Does higher starting dose of FSH stimulation with letrozole improve fertility preservation outcomes in women with breast cancer?
    Fertility and sterility, 2012, Volume: 98, Issue:4

    Topics: Adult; Aromatase Inhibitors; Breast Neoplasms; Dose-Response Relationship, Drug; Drug Therapy, Combi

2012
Re: Effect of letrozole on uterine artery Doppler flow indices prior to first-trimester termination of pregnancy: a randomized controlled trial. V. C. Y. Lee, T. W. Y. Yeung, O. S. Tang, E. H. Y. Ng, W. S. B. Yeung and P. C. Ho. Ultrasound Obstet Gynecol
    Ultrasound in obstetrics & gynecology : the official journal of the International Society of Ultrasound in Obstetrics and Gynecology, 2012, Volume: 40, Issue:4

    Topics: Abortifacient Agents, Nonsteroidal; Abortion, Induced; Female; Humans; Letrozole; Nitriles; Pregnanc

2012
Frozen embryo transfer: the present practice and beyond.
    Journal of basic and clinical physiology and pharmacology, 2013, Volume: 24, Issue:2

    Topics: Adult; Cryopreservation; Embryo Implantation; Embryo Transfer; Endometrium; Enzyme Inhibitors; Femal

2013
Developmental regulation of baboon fetal ovarian maturation by estrogen.
    Biology of reproduction, 2002, Volume: 67, Issue:4

    Topics: Androstenedione; Animals; Aromatase Inhibitors; Enzyme Inhibitors; Epithelium; Estradiol; Estrogen R

2002
Fetal lung maturation in estrogen-deprived baboons.
    The Journal of clinical endocrinology and metabolism, 2003, Volume: 88, Issue:1

    Topics: 11-beta-Hydroxysteroid Dehydrogenase Type 2; Animals; Aromatase Inhibitors; Embryonic and Fetal Deve

2003
Estrogen and antiestrogen effects on neonatal ovine uterine development.
    Biology of reproduction, 2003, Volume: 69, Issue:2

    Topics: Animals; Animals, Newborn; Aromatase Inhibitors; Benzopyrans; Cell Differentiation; Endometrium; Enz

2003
Aromatase inhibition reduces gonadotrophin dose required for controlled ovarian stimulation in women with unexplained infertility.
    Human reproduction (Oxford, England), 2003, Volume: 18, Issue:8

    Topics: Adult; Aromatase Inhibitors; Clomiphene; Enzyme Inhibitors; Estradiol; Female; Fertility Agents, Fem

2003
Use of letrozole as a chemopreventive agent in aromatase overexpressing transgenic mice.
    The Journal of steroid biochemistry and molecular biology, 2003, Volume: 86, Issue:3-5

    Topics: Animals; Anticarcinogenic Agents; Aromatase; Aromatase Inhibitors; Birth Weight; Female; Hyperplasia

2003
Effects of letrozole on superovulation with gonadotropins in women undergoing intrauterine insemination.
    Fertility and sterility, 2003, Volume: 80, Issue:6

    Topics: Adult; Aromatase Inhibitors; Chorionic Gonadotropin; Enzyme Inhibitors; Female; Hospitals, Teaching;

2003
Comparison of two aromatase inhibitors in women with clomiphene-resistant polycystic ovary syndrome.
    International journal of gynaecology and obstetrics: the official organ of the International Federation of Gynaecology and Obstetrics, 2004, Volume: 85, Issue:3

    Topics: Adult; Anastrozole; Aromatase Inhibitors; Clomiphene; Estrogen Antagonists; Female; Humans; Letrozol

2004
Estrogen suppression induces papillary gingival overgrowth in pregnant baboons.
    Journal of periodontology, 2004, Volume: 75, Issue:5

    Topics: Animals; Aromatase Inhibitors; Biopsy; Cell Differentiation; Cell Division; Cesarean Section; Enzyme

2004
Regulation of placental vascular endothelial growth/permeability factor expression and angiogenesis by estrogen during early baboon pregnancy.
    The Journal of clinical endocrinology and metabolism, 2004, Volume: 89, Issue:11

    Topics: Animals; Estradiol; Female; Fetal Weight; Gene Expression Regulation, Developmental; Letrozole; Neov

2004
Pregnancy outcome after the use of an aromatase inhibitor for ovarian stimulation.
    American journal of obstetrics and gynecology, 2005, Volume: 192, Issue:2

    Topics: Abortion, Spontaneous; Aromatase Inhibitors; Cohort Studies; Female; Humans; Letrozole; Nitriles; Ov

2005
The aromatase inhibitor letrozole increases the concentration of intraovarian androgens and improves in vitro fertilization outcome in low responder patients: a pilot study.
    Fertility and sterility, 2005, Volume: 84, Issue:1

    Topics: Adult; Androgens; Aromatase Inhibitors; Chi-Square Distribution; Female; Fertilization in Vitro; Hum

2005
Oral ovulation induction agents combined with low-dose gonadotropin injections and intrauterine insemination: cost- and clinical effectiveness.
    The Journal of reproductive medicine, 2005, Volume: 50, Issue:12

    Topics: Administration, Oral; Adult; Analysis of Variance; Clomiphene; Cost-Benefit Analysis; Female; Fertil

2005
Letrozole induction of ovulation in women with clomiphene citrate-resistant polycystic ovary syndrome may not depend on the period of infertility, the body mass index, or the luteinizing hormone/follicle-stimulating hormone ratio.
    Fertility and sterility, 2006, Volume: 85, Issue:2

    Topics: Adult; Aromatase Inhibitors; Body Mass Index; Clomiphene; Drug Resistance; Female; Fertility Agents,

2006
Congenital malformations among 911 newborns conceived after infertility treatment with letrozole or clomiphene citrate.
    Fertility and sterility, 2006, Volume: 85, Issue:6

    Topics: Adult; Aromatase Inhibitors; Canada; Clomiphene; Comorbidity; Congenital Abnormalities; Female; Fert

2006
Effects of novel retinoic acid metabolism blocking agent (VN/14-1) on letrozole-insensitive breast cancer cells.
    Cancer research, 2006, Dec-01, Volume: 66, Issue:23

    Topics: Animals; Apoptosis Regulatory Proteins; Aromatase; Aromatase Inhibitors; Blotting, Western; Breast N

2006
Aromatase inhibitors in ovarian stimulation.
    Reproductive biomedicine online, 2006, Volume: 13, Issue:6

    Topics: Aromatase Inhibitors; Female; Humans; Infant, Newborn; Letrozole; Nitriles; Ovulation Induction; Pre

2006
Placental expression and molecular characterization of aromatase cytochrome P450 in the spotted hyena (Crocuta crocuta).
    Placenta, 2007, Volume: 28, Issue:7

    Topics: Animals; Aromatase; Aromatase Inhibitors; Clitoris; Female; Humans; Hyaenidae; Letrozole; Nitriles;

2007
Progesterone, but not luteal estrogen, is required for the establishment of pregnancy in the new world monkey Cebus apella.
    American journal of primatology, 2007, Volume: 69, Issue:10

    Topics: Animals; Aromatase Inhibitors; Cebus; Embryo Implantation; Estradiol; Estrogen Antagonists; Female;

2007
Letrozole for ovulation induction and fertility preservation by embryo cryopreservation in young women with endometrial carcinoma.
    Fertility and sterility, 2007, Volume: 88, Issue:3

    Topics: Antineoplastic Agents; Cryopreservation; Endometrial Neoplasms; Female; Fertility; Fertilization in

2007
Limiting access to letrozole--is it justified?
    Fertility and sterility, 2007, Volume: 88, Issue:4

    Topics: Aromatase Inhibitors; Female; Heart Defects, Congenital; Humans; Infant, Newborn; Infertility, Femal

2007
A novel tocolytic agent: effects of letrozole on gestational length and parturition time.
    American journal of perinatology, 2007, Volume: 24, Issue:5

    Topics: Administration, Oral; Animals; Aromatase Inhibitors; Estradiol; Female; Gestational Age; Injections;

2007
Letrozole versus clomiphene citrate: which is better for ovulation induction?
    Fertility and sterility, 2009, Volume: 92, Issue:3

    Topics: Adult; Aromatase Inhibitors; Clomiphene; Dose-Response Relationship, Drug; Female; Fertility Agents,

2009
Fetal safety of letrozole and clomiphene citrate for ovulation induction.
    Journal of obstetrics and gynaecology Canada : JOGC = Journal d'obstetrique et gynecologie du Canada : JOGC, 2007, Volume: 29, Issue:8

    Topics: Abnormalities, Drug-Induced; Adult; Aromatase Inhibitors; Birth Weight; Clomiphene; Female; Fertilit

2007
Placental villous vascular endothelial growth factor expression and vascularization after estrogen suppression during the last two-thirds of baboon pregnancy.
    Endocrine, 2007, Volume: 31, Issue:3

    Topics: Animals; Aromatase Inhibitors; Chorionic Villi; Estradiol; Estrogens; Female; Gene Expression Regula

2007
A comparison of letrozole to gonadotropins for ovulation induction, in subjects who failed to conceive with clomiphene citrate.
    Fertility and sterility, 2007, Volume: 88, Issue:4

    Topics: Adult; Aromatase Inhibitors; Clomiphene; Cohort Studies; Female; Follicle Stimulating Hormone; Human

2007
A comparison of letrozole to gonadotropins for ovulation induction, in subjects who failed to conceive with clomiphene citrate.
    Fertility and sterility, 2007, Volume: 88, Issue:4

    Topics: Adult; Aromatase Inhibitors; Clomiphene; Cohort Studies; Female; Follicle Stimulating Hormone; Human

2007
A comparison of letrozole to gonadotropins for ovulation induction, in subjects who failed to conceive with clomiphene citrate.
    Fertility and sterility, 2007, Volume: 88, Issue:4

    Topics: Adult; Aromatase Inhibitors; Clomiphene; Cohort Studies; Female; Follicle Stimulating Hormone; Human

2007
A comparison of letrozole to gonadotropins for ovulation induction, in subjects who failed to conceive with clomiphene citrate.
    Fertility and sterility, 2007, Volume: 88, Issue:4

    Topics: Adult; Aromatase Inhibitors; Clomiphene; Cohort Studies; Female; Follicle Stimulating Hormone; Human

2007
A comparison of letrozole to gonadotropins for ovulation induction, in subjects who failed to conceive with clomiphene citrate.
    Fertility and sterility, 2007, Volume: 88, Issue:4

    Topics: Adult; Aromatase Inhibitors; Clomiphene; Cohort Studies; Female; Follicle Stimulating Hormone; Human

2007
A comparison of letrozole to gonadotropins for ovulation induction, in subjects who failed to conceive with clomiphene citrate.
    Fertility and sterility, 2007, Volume: 88, Issue:4

    Topics: Adult; Aromatase Inhibitors; Clomiphene; Cohort Studies; Female; Follicle Stimulating Hormone; Human

2007
A comparison of letrozole to gonadotropins for ovulation induction, in subjects who failed to conceive with clomiphene citrate.
    Fertility and sterility, 2007, Volume: 88, Issue:4

    Topics: Adult; Aromatase Inhibitors; Clomiphene; Cohort Studies; Female; Follicle Stimulating Hormone; Human

2007
A comparison of letrozole to gonadotropins for ovulation induction, in subjects who failed to conceive with clomiphene citrate.
    Fertility and sterility, 2007, Volume: 88, Issue:4

    Topics: Adult; Aromatase Inhibitors; Clomiphene; Cohort Studies; Female; Follicle Stimulating Hormone; Human

2007
A comparison of letrozole to gonadotropins for ovulation induction, in subjects who failed to conceive with clomiphene citrate.
    Fertility and sterility, 2007, Volume: 88, Issue:4

    Topics: Adult; Aromatase Inhibitors; Clomiphene; Cohort Studies; Female; Follicle Stimulating Hormone; Human

2007
Effect of letrozole at 2.5 mg or 5.0 mg/day on ovarian stimulation with gonadotropins in women undergoing intrauterine insemination.
    Fertility and sterility, 2008, Volume: 90, Issue:5

    Topics: Abortion, Spontaneous; Adult; Aromatase Inhibitors; Chorionic Gonadotropin; Cost-Benefit Analysis; D

2008
Is the use of letrozole to induce ovulation teratogenic?
    Canadian family physician Medecin de famille canadien, 2008, Volume: 54, Issue:3

    Topics: Abnormalities, Drug-Induced; Animals; Aromatase Inhibitors; Female; Fertility Agents, Female; Humans

2008
Controlling for the EFFECTS related to the underlying pathology of infertility.
    Fertility and sterility, 2008, Volume: 89, Issue:5

    Topics: Aromatase Inhibitors; Brain; Clomiphene; Estrogen Antagonists; Estrogens; Female; Humans; Infertilit

2008
Effects of the aromatase inhibitor letrozole on in utero development in rats.
    Human reproduction (Oxford, England), 2008, Volume: 23, Issue:8

    Topics: Animals; Aromatase Inhibitors; Female; Fetal Resorption; Fetal Weight; Letrozole; Maternal Exposure;

2008
Letrozole co-treatment in infertile women 40 years old and older receiving controlled ovarian stimulation and intrauterine insemination.
    Fertility and sterility, 2009, Volume: 91, Issue:6

    Topics: Adult; Aromatase Inhibitors; Case-Control Studies; Drug Therapy, Combination; Endometriosis; Female;

2009
Structure-activity relationships and binding model of novel aromatase inhibitors.
    The Journal of steroid biochemistry and molecular biology, 1993, Volume: 44, Issue:4-6

    Topics: Anti-Inflammatory Agents, Non-Steroidal; Aromatase Inhibitors; Fadrozole; Female; Humans; Letrozole;

1993
Endocrine sex reversal of gonads by the aromatase inhibitor Letrozole (CGS 20267) in Emys orbicularis, a turtle with temperature-dependent sex determination.
    General and comparative endocrinology, 1995, Volume: 100, Issue:3

    Topics: Analysis of Variance; Animals; Enzyme Inhibitors; Female; Gonads; Letrozole; Nitriles; Pregnancy; Se

1995
Effect of estrogen deprivation on the reproductive physiology of male and female primates.
    The Journal of steroid biochemistry and molecular biology, 1997, Volume: 61, Issue:3-6

    Topics: Animals; Aromatase; Aromatase Inhibitors; Enzyme Inhibitors; Estrogen Antagonists; Estrogens; Fadroz

1997
Macrophages, estrogen and the microenvironment of breast cancer.
    The Journal of steroid biochemistry and molecular biology, 1998, Volume: 67, Issue:5-6

    Topics: Antineoplastic Agents; Aromatase; Breast; Breast Neoplasms; Carcinoma in Situ; Cell Division; Cell L

1998
The role of estrogen in the maintenance of primate pregnancy.
    American journal of obstetrics and gynecology, 2000, Volume: 182, Issue:2

    Topics: Animals; Aromatase Inhibitors; Cesarean Section; Enzyme Inhibitors; Estradiol; Female; Letrozole; Lu

2000
Developmental regulation of morphological differentiation of placental villous trophoblast in the baboon.
    Placenta, 2001, Volume: 22, Issue:4

    Topics: Androstenedione; Animals; Aromatase Inhibitors; Bromodeoxyuridine; Cell Differentiation; Enzyme Inhi

2001
Developmental maturation of primate placental trophoblast: placental cytosolic and secretory phospholipase A2 expression after estrogen suppression of baboons.
    Prostaglandins & other lipid mediators, 2001, Volume: 66, Issue:3

    Topics: Animals; Enzyme Inhibitors; Estrogens; Female; Gene Expression Regulation, Enzymologic; Letrozole; N

2001