androstenedione has been researched along with Pregnancy in 793 studies
*Pregnancy: The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH. [MeSH]
| Timeframe | Studies, this research(%) | All Research% |
|---|---|---|
| pre-1990 | 455 (57.38) | 18.7374 |
| 1990's | 159 (20.05) | 18.2507 |
| 2000's | 95 (11.98) | 29.6817 |
| 2010's | 66 (8.32) | 24.3611 |
| 2020's | 18 (2.27) | 2.80 |
| Authors | Studies |
|---|---|
| Bednarski, PJ; Nelson, SD | 1 |
| Bell, RJ; Davis, SR; Islam, RM; Skiba, MA | 1 |
| Ball, BA; Daels, P; Dini, P; Esteller-Vico, A; Haneda, S; Nambo, Y; Scoggin, KE; Squires, EL; Troedsson, MH | 1 |
| Dong, JJ; Feng, H; Hang, JG; Jung, CR; Kido, T; Ma, C; Nakayama, SF; Shi, LL; Sun, XL; Sun, Y; Wang, Z | 1 |
| Huang, WJ; Lu, YC; Tian, YH; Wang, MJ; Yang, J; Ying, X; Zhou, Q; Zhu, YM | 1 |
| Artık, A; Çengel Kültür, SE; Karaboncuk, AY; Portakal, O | 1 |
| Catteau-Jonard, S; Dewailly, D; Giacobini, P; Martin, C; Mimouni, NEH; Peigné, M; Pigny, P; Simon, V | 1 |
| Chung, YM; McManus, JM; Sharifi, N | 1 |
| Bogstad, JW; Friis Wang, N; Løssl, K; Petersen, MR; Pinborg, A; Yding Andersen, C | 1 |
| Auriola, S; Backman, K; Häkkinen, MR; Keski-Nisula, L; Koskivuori, J; Lehtonen, M; Storvik, M; Uusitalo, L; Voutilainen, R | 1 |
| Kowalcze, K; Krysiak, R; Obuchowicz, A | 1 |
| Frigo, P; Hager, M; Hörath, S; Koch, M; Marculescu, R; Ott, J | 1 |
| Bengtson Nash, S; Boggs, ASP; Dalle Luche, G; Groß, J; Hawker, DW; Kucklick, JR | 1 |
| Fernández-Colom, P; Monterde-Estrada, M; Monzo, AM; Novella-Maestre, E; Pellicer, A; Polo-Sánchez, P; Quiroga, R; Rodríguez-Tárrega, E | 1 |
| Fukami, M; Hasegawa, T; Homma, K; Nagasaki, K; Numakura, C; Takase, K | 1 |
| Bräuner, EV; Dickinson, JE; Doherty, DA; Hart, R; Hickey, M; Juul, A; Koch, T | 1 |
| Bartmann, P; Gohlke, B; Plamper, M; Schmitz, L; Schreiner, F; Schulte, S; Stoffel-Wagner, B; Woelfle, J | 1 |
| Debeljak, Ž; Kadivnik, M; Kralik, K; Mandić, D; Muller, A; Šerić, V; Šijanović, S; Wagner, J | 1 |
| Fantini, M; Mazzilli, F; Mazzilli, R; Zamponi, V | 1 |
| Gao, J; Li, X; Liu, X; Liu, Y; Zheng, W; Zuo, Y | 1 |
| Lundell, AC; Ohlsson, C; Rudin, A; Ryberg, H; Tivesten, Å; Vandenput, L | 1 |
| Ball, BA; Conley, AJ; Corbin, CJ; Legacki, EL; Loux, SC; Scoggin, KE; Stanley, SD | 1 |
| Adamcová, K; Chlupáčová, T; Dušková, M; Jandíková, H; Kolátorová, L; Pařízek, A; Šimková, M; Stárka, L | 1 |
| Hefzy, E; Seyam, E | 1 |
| Franczak, A; Kotwica, G; Martyniak, M | 1 |
| Nivar, I; Shah, AB; Speelman, DL | 1 |
| Chowdhary, V; Goyal, V; Jain, VG; Shekhawat, P; Singal, A; Singh, RJ; Swarup, N | 1 |
| Alfaidy, N; Berkane, N; Cambourg, A; Chabbert-Buffet, N; Galichon, P; Hertig, A; Lefevre, G; Liere, P; Nahed, RA; Oudinet, JP; Pianos, A; Rousseau, A; Rozenberg, P; Schumacher, M; Simon, T; Vincent, J | 1 |
| Fazio, E; Ferlazzo, A; Marcilla, M; Medica, P; Satué, K | 1 |
| Deng, F; Jiao, J; Li, J; Li, R; Lin, M; Pang, T; Song, X; Song, Y; Wang, Y; Yang, R; Yang, S; Yang, W; Yang, Y; Zhang, H; Zhang, J | 1 |
| Bors, K; Dobrzyn, K; Gudelska, M; Kaminski, T; Kiezun, M; Kisielewska, K; Rytelewska, E; Smolinska, N; Szeszko, K; Wyrebek, J | 1 |
| Arffman, RK; Edvinsson, Å; Giacobini, P; Hustad, S; Lager, S; Morin-Papunen, L; Piltonen, TT; Sundström-Poromaa, I; Tapanainen, JS | 1 |
| Ireland, JJ; Mossa, F | 1 |
| Fabregat, A; Garrostas, L; Marcos, J; Pozo, OJ; Segura, J; Ventura, R | 1 |
| Decanter, C; Dewailly, D; Lefebvre, C; Lefebvre-Khalil, V; Leroy, M; Leroy-Martin, B; Robin, G; Soudan, B; Thomas, P | 1 |
| Davis, GH; Hudson, NL; Jensen, D; Johnstone, PD; Juengel, JL; McNatty, KP; Olliver, D; Proctor, LE; Wearne, K | 1 |
| Aad, PY; Echternkamp, SE; Spicer, LJ | 1 |
| Barbieri, RL | 1 |
| Ciereszko, RE; Grzesiak, M; Knapczyk-Stwora, K; Slomczynska, M; Wieciech, I | 1 |
| Betteridge, KJ; Christie, HL; Raeside, JI | 1 |
| Bergquist, J; Hreinsson, J; Kushnir, MM; Meikle, AW; Naessén, T; Rockwood, AL; Wanggren, K | 1 |
| Dobierzewska, A; España-Perrot, PP; Figueroa-Diesel, H; González, MI; Guzmán-Rojas, AM; Illanes, SE; Irarrazabal, CE; Monteiro, LJ; Palominos-Rivera, M; Perez-Sepulveda, A; Varas-Godoy, M; Venegas-Araneda, P | 1 |
| Conceicao, JL; Hinchliffe, PM; Keane, KN; Namdar, N; Newsholme, P; Yovich, JL | 1 |
| Caanen, MR; Homburg, R; Hompes, PG; Kuijper, EA; Kushnir, MM; Lambalk, CB; Meikle, WA; Rockwood, AL | 1 |
| Álvarez, D; Ambrosetti, V; Cruz, G; Fernandois, D; González-Mañan, D; Guerra, M; Olguín, S; Ramírez, LA; Reyes, A; Sotomayor-Zárate, R | 1 |
| Carlsen, SM; Salvesen, Ø; Shetelig Løvvik, T; Stridsklev, S; Vanky, E | 1 |
| Demmers, KJ; Juengel, JL; O'Connell, AR; Reader, KL; Smaill, B | 1 |
| Araki, A; Cho, K; Goudarzi, H; Ito, S; Kishi, R; Kitta, T; Mitsui, T; Miyashita, C; Morioka, K; Moriya, K; Nonomura, K; Sasaki, S; Shinohara, N; Takeda, M | 1 |
| Dobrzyn, K; Kaminski, T; Kiezun, M; Maleszka, A; Smolinska, N; Szeszko, K | 1 |
| Codner, E; Devoto, L; Kohen, P; López, P; Rencoret, G; Salinas, A; Villarroel, C | 1 |
| Alsnes, IV; Åsvold, BO; Forman, MR; Janszky, I; Vatten, LJ; Økland, I | 1 |
| O'Brien, JK; Robeck, TR; Steinman, KJ | 1 |
| Burstyn, I; Croen, LA; Fallin, MD; Hertz-Picciotto, I; Keelan, JA; Lee, BK; Montgomery, O; Newschaffer, CJ; Park, BY; Tabb, LP; Whitehouse, AJO | 1 |
| Castells, MT; Cremades, A; López-Contreras, AJ; López-García, C; Marín, F; Peñafiel, R; Schreiber, F | 1 |
| Abbott, DH; Ball, GD; Dumesic, DA; Lesnick, TG; Stassart, JP; Wong, A | 1 |
| Franczak, A | 1 |
| Dillner, J; Grankvist, K; Hallmans, G; Holl, K; Koskela, P; Lehtinen, M; Lukanova, A; Lundin, E; Ogmundsdottir, HM; Olafsdottir, GH; Pukkala, E; Stattin, P; Surcel, HM; Wadell, G | 1 |
| Casais, M; Delgado, SM; Filippa, V; Mohamed, F; Rastrilla, AM; Sosa, Z; Vallcaneras, SS | 1 |
| Colombo, G; Dinis, TC; Neves, MA; Sá e Melo, ML | 1 |
| Komatsu, S; Nagaoka, M; Numazawa, M; Yaguchi, A; Yamashita, K | 1 |
| Atkinson, HC; Doherty, DA; Franks, S; Hart, R; Hickey, M; Newnham, JP; Norman, RJ; Sloboda, DM | 1 |
| Erman, M; Ghosh, D; Griswold, J; Pangborn, W | 1 |
| Franczak, A; Kotwica, G | 1 |
| Carlsen, SM; Jacobsen, G; Vanky, E | 2 |
| Huber, JC; Kurz, C; Mayerhofer, K; Nouri, K; Ott, J; Tempfer, CB; Wirth, S | 1 |
| Agborsangaya, C; Grankvist, K; Holl, K; Lehtinen, M; Lukanova, A; Parkkila, S; Surcel, HM; Toriola, AT; Tuohimaa, P | 1 |
| Boucher, E; Devillers, A; Provost, PR; Tremblay, Y | 1 |
| Laake, P; Thelle, DS | 1 |
| Hsiao, PH; Lee, CT; Lee, JS; Tsai, WY; Tung, YC | 1 |
| Hänninen, A; Konttinen, YT; Mackiewicz, Z; Porola, P; Stegaev, V; Szodoray, P | 1 |
| Ballieux, BE; Dekker, FW; Euser, AM; Finken, MJ; Meuwese, CL; van Vliet, HA; Walther, FJ; Wit, JM | 1 |
| de Jong, FH; Hokken-Koelega, AC; Kerkhof, GF; Laven, JS; Leunissen, RW; Visser, JA; Willemsen, RH | 1 |
| Drea, CM | 1 |
| Arai, S; Ito, K | 1 |
| Coscia, EM; Dahl, NJ; Drea, CM; Glickman, SE; Holekamp, KE; Place, NJ; Roser, JF; Sisk, CL; Weldele, ML | 1 |
| Bae, CS; Hou, L; Kuang, H; Stener-Victorin, E; Wang, Y; Wu, X; Yang, X; Zhang, Y | 1 |
| Almås, I; Berg, AH; Berg, KF; Bjerke, C; Brandis, PV; Bunford, G; Carlsen, SM; Danielsson, A; Eikeland, T; Flo, K; Hjelle, S; Kleggetveit, O; Lahmami, G; Lund, A; Skogøy, K; Stridsklev, S; Vanky, E | 1 |
| Egbuta, C; Ghosh, D; Jiang, W; Lo, J | 1 |
| Bae, J; Kim, A; Ko, JJ; Lee, K; Lee, WS; Park, M; Yoon, TK | 1 |
| Anzulovich, AC; Casais, M; Delgado, SM; Rastrilla, AM; Sosa, Z; Telleria, CM; Vallcaneras, SS | 1 |
| Chan, CC; Ho, PC; Lee, VC; Ng, EH; Yeung, WS | 1 |
| Duncan, WC; Hogg, K; McNeilly, AS; Oliver, EM; Souza, CJ; Young, JM | 1 |
| Balasch, J; Carmona, F; Casamitjana, R; Fábregues, F; Iraola, A | 1 |
| Cassorla, F; Codner, E; Crisosto, N; Echiburú, B; Ladrón de Guevara, A; Maliqueo, M; Perez-Bravo, F; Preisler, J; Sánchez, F; Sir-Petermann, T | 1 |
| Andersen, HR; Grandjean, P; Jensen, TK; Main, KM; Skakkebaek, NE; Wohlfahrt-Veje, C | 1 |
| Aksglaede, L; Andersen, HR; Grandjean, P; Jensen, TK; Juul, A; Main, KM; Schmidt, IM; Skakkebaek, NE; Sørensen, K; Wohlfahrt-Veje, C | 1 |
| Anckaert, E; Arce, JC; Klein, BM; Schiettecatte, J; Smitz, J | 1 |
| Alcaro, S; Amaral, C; Baptista, T; Carvalho, RA; Correia da Silva, G; Costa, G; Roleira, FM; Tavares da Silva, EJ; Teixeira, NA; Varela, C | 1 |
| Fatemi, F; Kashanian, M; Sharifzadeh, F | 1 |
| Betteridge, KJ; Christie, HL; Raeside, JI; Waelchli, RO | 1 |
| Franczak, A; Kolakowska, J; Kotwica, G; Wojciechowicz, B | 1 |
| Crisosto, N; Echiburú, B; Lara, HE; Maliqueo, M; Sánchez, F; Sir-Petermann, T | 1 |
| Hartmann, MF; Kamrath, C; Wudy, S | 1 |
| Ksiazek, A; Oswiecimska, JM; Pys-Spychala, M; Roczniak, GR; Roczniak, W; Stojewska, M; Sygulla, K; Ziora, K | 1 |
| Mutsumi, A; Numazawa, M; Osawa, Y; Tachibana, M; Yoshimura, A | 1 |
| Barański, W; Janowski, T; Malecki-Tepicht, J; Raś, A; Zduńczyk, S | 1 |
| Albrecht, ED; Billiar, RB; Pepe, GJ; Zachos, NC | 1 |
| Angel, B; Lara, HE; Maliqueo, M; Pérez-Bravo, F; Recabarren, SE; Sir-Petermann, T | 1 |
| Ando, M; Numazawa, M; Zennyoji, R | 1 |
| Deis, RP; Gibori, G; Goyeneche, AA; Telleria, CM | 1 |
| Resko, JA; Roselli, CE; Stormshak, F | 1 |
| Alfaidy, N; Challis, JR; Gibb, W; Gupta, S; Holloway, AC; Lye, SJ; Whittle, WL | 1 |
| Bjerve, KS; Carlsen, SM; Jacobsen, G | 1 |
| Husslein, P; Jirecek, S; Joura, EA; Knöfler, M; Tempfer, C; Zeisler, H | 1 |
| Cole, B; Harger, G; Hoover, RN; Lykins, D; Markovic, N; Potischman, N; Roberts, JM; Siiteri, P; Troisi, R | 1 |
| Bloomfield, FH; Challis, JR; Giannoulias, CD; Gluckman, PD; Harding, JE; Oliver, MH | 1 |
| Byskov, AG; Fukuda, K; Fukuda, M; Yding Andersen, C | 1 |
| Albrecht, ED; Musicki, B; Pepe, GJ | 1 |
| RYAN, KJ | 1 |
| BENIRSCHKE, K; RYAN, KJ; SMITH, OW | 1 |
| ENGEL, LL; WILCOX, RB | 1 |
| Eijkemans, MJ; Fauser, BC; Imani, B; Mulders, AG | 1 |
| Krzymowski, T; Stefańczyk-Krzymowska, S | 1 |
| Echternkamp, SE; Lunstra, DD; Roberts, AJ; Spicer, LJ; Wise, T | 1 |
| Atamer, A; Atamer, Y; Demir, B; Erden, AC; Koçyigit, Y | 1 |
| Doan, VD; Gagnon, S; Joseph, V | 1 |
| de Zegher, F; Dunger, DB; Honour, JW; Ibáñez, L; Jones, R; Ness, AR; Ong, KK; Petry, CJ; Potau, N | 1 |
| Abe, N; Fujihira, T; Fukui, Y; Hayashi, K; Ishikawa, H; Miyamoto, A; Muranishi, Y; Ohsumi, S; Sasaki, M | 1 |
| Buitelaar, JK; Cohen-Kettenis, PT; Thijssen, JH; van de Beek, C; van Goozen, SH | 1 |
| Collins, TF; Flynn, TJ; Kim, CS; O'Donnell, MW; Ross, IA; Sahu, SC; Sapienza, PP; Sprando, RL; Wiesenfeld, PL | 1 |
| Black, TN; Collins, TF; Olejnik, N; Ramos-Valle, M; Ruggles, DI; Sapienza, P; Sprando, RL | 1 |
| Collins, TF; Flynn, TJ; Kim, CS; O'Donnell, MW; Ross, IA; Sahu, S; Sapienza, PP; Sprando, RL; Wiesenfeld, PW | 1 |
| Choktanasiri, W; Rojanasakul, A; Sophonsritsuk, A; Tingthanatikul, Y; Wansumrith, S; Weerakiet, S | 1 |
| Balasch, J; Casamitjana, R; Creus, M; Fábregues, F; Peñarrubia, J; Vanrell, JA | 1 |
| Buitelaar, JK; Cohen-Bendahan, CC; Cohen-Kettenis, PT; van Goozen, SH | 1 |
| Ballard-Barbash, R; Davis, WW; Dodd, K; Hoover, RN; Hsieh, CC; Potischman, N; Sluss, PM; Thadhani, R; Troisi, R | 1 |
| David, R; Kohn, B; Rojas-Marcos, PM | 1 |
| Nagaoka, M; Numazawa, M | 1 |
| Goyeneche, AA; Telleria, CM | 1 |
| Bakas, P; Creatsas, G; Eleptheriadis, M; Salamalekis, E; Vitoratos, N | 1 |
| Barusi, L; Coppola, F; Ferrari, B; Pezzuto, A | 2 |
| Collins, TF; Flynn, TJ; Ford, CE; Kim, CS; O'Donnell, MW; Ross, IA; Sahu, S; Sapienza, PP; Sprando, RL; Wiesenfeld, PW | 1 |
| Fisch, N; La Marca, A; Orvieto, R; Yulzari-Roll, V | 1 |
| Casais, M; Delgado, SM; Rastrilla, AM; Sosa, Z | 2 |
| Bjekic, J; Damjanovic, S; Farmakiotis, D; Katsikis, I; Kourtis, A; Macut, D; Panidis, D; Petakov, M; Rousso, D; Spanos, N | 1 |
| Carson, KA; Malouf, MA; Migeon, CJ; Petrucci, L; Wisniewski, AB | 1 |
| Balasch, J; Carmona, F; Casals, G; Casamitjana, R; Creus, M; Fábregues, F; Manau, D; Peñarrubia, J; Vanrell, JA | 1 |
| Handa, W; Nagaoka, M; Numazawa, M; Yamada, A | 1 |
| Carlsen, SM; Jacobsen, G; Romundstad, P | 1 |
| Telleria, CM | 1 |
| Ben-David, S; Epelman, M; Hochberg, Z; Levin, M; Shen-Orr, Z; Sujov, P; Zuckerman-Levin, N | 1 |
| Adriaens, I; Cortvrindt, R; Jacquet, P; Janssen, K; Smitz, J | 1 |
| Casais, M; Delgado, SM; Rastrilla, AM; Sosa, Z; Telleria, CM | 1 |
| Kriegstein, AR; Martínez-Cerdeño, V; Noctor, SC | 1 |
| Friberg-Otterstad, UM; Kahn, JA; Morken, NH | 1 |
| Krishna, A; Srivastava, RK | 1 |
| Bull, L; Forsdike, RA; Franks, S; Hardy, K; Robinson, JE; Stark, J; Stubbs, S; Webber, LJ | 1 |
| Ankley, GT; Blystone, CR; Butterworth, BC; Durhan, EJ; Furr, J; Gray, LE; Howdeshell, KL; Lambright, CS; Leblanc, GA; Makynen, EA; Sternberg, RM; Wilson, VS | 1 |
| Ingman, WV; Robertson, SA | 1 |
| Godinjak, Z; Javorić, R | 1 |
| Domínguez, S; Fogal, T; Forneris, M; Gil, E; Penissi, A; Piezzi, RS; Scardapane, L | 1 |
| Benachour, N; Moslemi, S; Seralini, GE; Sipahutar, H | 1 |
| Hoover, RN; Innes, KE; Roberts, JM; Troisi, R | 1 |
| Bertalan, R; Blazovics, A; Boyle, B; Csabay, L; Halasz, Z; Racz, K; Rigo, J; Toldy, E; Varga, I | 1 |
| Chiang, W; Hsia, SM; Kuo, YH; Wang, PS; Yeh, CL | 1 |
| Collins, TF; Flynn, TJ; Johnson, WD; Kim, CS; O'Neilll, RK; Ross, IA; Sahu, SC; Sapienza, P; Sprando, RL; Wiesenfeld, PL | 1 |
| Argov, N; Arieli, A; Lehrer, H; Moallem, U; Zachut, M | 1 |
| Arav, A; Inbar, G; Roth, Z | 1 |
| Carlsen, SM; Isaksen, H; Moen, MH; Vanky, E | 1 |
| Bogovich, K | 3 |
| Jones, CT; Lafeber, HN; Roebuck, MM | 1 |
| Leatherland, JF; Renfree, MB | 1 |
| Mathur, RS; Peress, MR; Tsai, CC; Williamson, HO | 1 |
| Butcher, RL; Page, RD | 1 |
| Caton, D; Fields, MJ; Lehrer, AR; Thatcher, WW; Wise, TH | 1 |
| Bevers, MM; Dieleman, SJ; Poortman, J; van Tol, HT | 1 |
| Kamboj, VP; Singh, MM; Tandon, A | 1 |
| Legrand, C; Maltier, JP; Marie, J | 1 |
| Flint, AP; Green, SW; Heap, RB; Renfree, MB | 1 |
| Hosoda, K; Ichikawa, S; Tamada, H | 1 |
| Okada, H; Sakai, C; Yamamoto, T | 2 |
| Deppe, WM; Joubert, SM; Marivate, M; Norman, RJ | 1 |
| Bhatia, K; Mead, RA; Ravindra, R | 1 |
| Barrier, J; Degrelle, H; Habrioux, G; Vigneron, N | 1 |
| Jones, CT; Roebuck, MM | 1 |
| Grumbach, MM; Novy, MJ; Resko, JA; Walsh, SW | 1 |
| Dennefors, BL; Nilsson, L | 1 |
| Angulo, M; Castro-Magana, M; Cheruvanky, T; Collipp, PJ; Ghavami-Maibodi, Z; Stewart, C | 1 |
| Choi, L; Haning, RV; Kiggens, AJ; Kuzma, DL; Summerville, JW | 2 |
| Fleming, DE; Rhees, RW; Tseu, SR; Wilke, DL | 1 |
| Challis, JR; Grimshaw, RN; Mitchell, BF | 1 |
| Jones, CT; Mitchell, MD; Robinson, JS; Roebuck, MM; Thorburn, GD | 1 |
| Fordyce, M; Gauld, IK; Land, RB; Morris, BA; Webb, R | 1 |
| Sheean, LA | 1 |
| Bonnin, M; Canivenc, R; Mondain-Monval, M; Scholler, R | 4 |
| Sekihara, H | 1 |
| Gandar, R | 1 |
| Channing, CP; Fujii, T; Hoover, DJ | 1 |
| Garza, F; Terranova, PF | 2 |
| Donovan, BT; Kilpatrick, MJ; Matson, C | 1 |
| Bamberg, E; Choi, HS; Holzweber, E; Möstl, E | 1 |
| Kitamura, Y; Kuroda, H; Matsumoto, K; Namiki, M; Terada, N | 1 |
| Baird, DT; Fraser, HM; McNeilly, AS | 1 |
| Garza, F; Shaban, MA; Terranova, PF | 1 |
| Burden, HW; Curry, TE; Lawrence, IE | 1 |
| Meyer-Bahlburg, HF | 1 |
| Anderson, NG; Lieberman, S | 1 |
| Belisle, S; Brault, J; Lehoux, JG | 1 |
| Akamine, Y; Ibayashi, H; Kato, K | 1 |
| Anderson, CE; Cederqvist, LL; Duchon, MA; Fuentes, M; Holcombe, JH; Levine, LS; Merkatz, I; New, MI; Nitowsky, HM; Owens, R; Pang, S; Riccardi, VM; Sachs, G | 1 |
| Collins, WP; Simpson, J; Tyler, JP | 1 |
| Burton, RD; Gadsby, JE; Heap, RB | 1 |
| Burton, RD; Heap, RB; Renfree, MB | 1 |
| Auletta, F; Burd, LI; Scommegna, A; Takahashi, K; Tseng, HY | 1 |
| Siiteri, PK | 3 |
| Bhavnani, BR | 1 |
| Marchut, M | 3 |
| Cedard, L; Tanguy, G; Thoumsin, HJ; Zorn, JR | 1 |
| Johnson, DW; Phillipou, G; Seamark, RF | 1 |
| Bizzarro, A; Cardone, A; D'Elia, A; Sallusto, M; Tolino, A | 1 |
| Blanc, B; Cohen, G; Merger, C; Ruf, H | 1 |
| Alsat, E; Cedard, L; Thoumsin, HJ | 1 |
| Brent, RL; Koszalka, TR; Sheth, K | 1 |
| Jirásek, JE; Stárka, L; Sulcová, J | 3 |
| Kellis, JT; Vickery, LE | 1 |
| Beusen, DD; Carrell, HL; Covey, DF; Hood, WF | 1 |
| Wu, JT | 1 |
| Harding, RB; Hardy, PR; Joby, R | 1 |
| Ellinwood, WE; Resko, JA; Roselli, CE | 1 |
| Metzger, E; Mondain-Monval, M; Møller, OM; Scholler, R; Smith, A | 1 |
| Gibb, M; Heath, D; Henderson, KM; Hudson, N; Lun, S; McNatty, KP; Montgomery, GW | 1 |
| Johnston, JO; Metcalf, BW; Wright, CL | 1 |
| Ellis, LM; Heath, DA; Henderson, KM; Hurst, PR; Lun, S; McNatty, KP; Montgomery, GW; Morrison, L; Thurley, DC | 1 |
| Counsell, RE; Darby, MV; Lovett, JA | 1 |
| Kinoshita, K; Nakabayashi, M; Okai, T; Sato, K; Tsutsumi, O | 1 |
| Doering, CH; Leyra, PT | 1 |
| Soares, MJ; Talamantes, F | 1 |
| Hrycay, EG; Matsumoto, K; Tan, L | 1 |
| Schanbacher, BD; Wise, TH | 1 |
| Buster, JE; Cabalum, T; Jansen, CA; Nathanielsz, PW; Yu, HK | 1 |
| Fishman, J; Miyairi, S | 3 |
| O'Shannessy, DJ; Renwick, AG | 1 |
| Abul-Hajj, YJ | 2 |
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| Gibori, G; Jayatilak, PG; McLean, MP; Nelson, SE | 1 |
| Brueggemeier, RW; Katlic, NE; Kenreigh, CA; Li, PK | 1 |
| Dörner, G; Götz, F; Stahl, F | 1 |
| Kellokumpu-Lehtinen, P; Pelliniemi, LJ; Pulkkinen, MO; Schweikert, HU | 1 |
| Beilby, J; Boyne, P; Flett, P; James, I; O'Leary, P | 1 |
| de Catanzaro, D; MacNiven, E; Ricciuti, F | 1 |
| Bellino, FL; Sethumadhavan, K; Thotakura, NR | 1 |
| Khan, SA; Nieschlag, E; Simoni, M | 1 |
| Albrecht, ED; Henson, MC; Pepe, GJ; Putney, DJ | 1 |
| Itskovitz, J; Liu, HC; Rosenwaks, Z; Rubattu, S; Sealey, JE | 1 |
| Albrecht, ED; Henson, MC; Pepe, GJ | 1 |
| Akhtar, M; Slatcher, G; Wright, JN | 1 |
| Geisert, RD; Morgan, GL; O'Neill, LA; Wettemann, RP; Zavy, MT | 1 |
| Childers, WE; Kellis, JT; Robinson, CH; Silverton, JV; Vickery, LE | 1 |
| Mutsumi, A; Numazawa, M | 1 |
| Hampl, R; Stárka, L; Sulcová, J; Zwinger, A | 1 |
| Kigawa, H; Mutsumi, A; Numazawa, M | 1 |
| Brueggemeier, RW; Li, PK | 1 |
| Furth, PS; Marcotte, PA; Robinson, CH; Rosenberger, J | 1 |
| Lorence, MC; Mason, JI; Murry, BA; Trant, JM | 1 |
| Braun, DG; Bullion, KA; Osawa, Y | 1 |
| Börchers, K; Keckstein, G; Lauritzen, C; Steiner, R; Wolf, AS | 1 |
| Hashino, M; Hirato, K; Kimura, T; Kosaki, T; Nakayama, T; Watanabe, H; Yanaihara, T | 1 |
| Apter, D; Vihko, R | 1 |
| Cox, J; Dumasia, MC; Gower, DB; Houghton, E; Marshall, D; Smith, SJ; Teale, P | 1 |
| Alvarez, S; Antoine, JM; Cornet, D; Firmin, C; Mandelbaum, J; Plachot, M; Salat-Baroux, J; Tibi, C | 1 |
| Sumioki, H; Taniguchi, I; Utsunomiya, T | 1 |
| Bhatnagar, AS; Purba, HS | 1 |
| Greway, AT; Levy, MA; Mentzer, M | 1 |
| Chen, SA; Pompon, D; Zhou, DJ | 1 |
| Leung, PC; Rodway, MR; Yuen, BH | 1 |
| Conley, AJ; Mason, JI | 1 |
| Briatico, G; D'Alessio, R; Di Salle, E; Giudici, D; Lombardi, P; Ornati, G; Villa, V | 1 |
| Brueggemeier, RW; Chen, HH; Katlic, NE; Li, PK; Moh, PP | 1 |
| Kosaki, T; Ohnishi, S; Osawa, Y | 1 |
| Albrecht, ED; Baggia, S; Pepe, GJ | 1 |
| Hashino, M; Kosaki, T; Nakayama, T; Ohigashi, S; Ohnishi, S; Osawa, Y; Yanaihara, T; Yarborough, C | 1 |
| Cole, PA; Robinson, CH | 1 |
| Hoedemaker, M; Wagner, WC; Weston, PG | 1 |
| Castracane, VD; DeLa Cruz, JL | 1 |
| Albrecht, ED; Babischkin, JS; Baggia, S; Pepe, GJ | 1 |
| Barbieri, RL; Frigoletto, FD; Phillippe, M; Randall, R; Ryan, KJ; Saltzman, D; Torday, JS | 1 |
| Barbieri, RL; Frigoletto, FD; Randall, RW; Ryan, KJ; Saltzman, DH; Torday, JS | 1 |
| Armstrong, DT; Barbe, GJ; Pelletier, RM; Reddoch, RB | 1 |
| Briatico, G; di Salle, E; Giudici, D; Ornati, G; Zaccheo, T | 1 |
| Anderson, RA; Berryman, SH; Phillips, JF; Zaneveld, LJ | 2 |
| Flury, A; Olivier, NS; Patrito, LC; Raimondi, SG | 1 |
| Arai, K; Arakawa, S; Götz, F; Kambegawa, A; Ohkawa, T; Okinaga, S; Rohde, W; Stahl, F; Takeshita, S; Tönjes, R | 1 |
| Mutsumi, A; Numazawa, M; Tsuji, M | 1 |
| Demerlé, F; Franchimont, P; Frydman, R; Hazée-Hagelstein, MT; Hazout, A; Schatz, B | 1 |
| Hähnel, ME; Hähnel, R; Martin, JD | 1 |
| Hill, GA; Osteen, KG | 1 |
| Tanaka, Y | 1 |
| Andresen, O; Karlberg, K; Sivesindtajet, K | 1 |
| Furth, PS; Robinson, CH | 1 |
| Hähnel, ME; Hähnel, R; Martin, JD; Michael, CA | 1 |
| Hoshi, K; Koike, R; Mutsumi, A; Numazawa, M | 1 |
| Akiyama, I; Sakuma, Y; Takahashi, Y; Yamanaka, H | 1 |
| Binienda, Z; Figueroa, JP; Honnebier, MB; Nathanielsz, PW; Wimsatt, J | 1 |
| Oakey, RE; Purohit, A | 1 |
| Hashino, M; Kosaki, T; Nakayama, T; Ohigashi, S; Onishi, S; Osawa, Y; Yanaihara, T | 1 |
| Johnston, JO; Shumaker, RC; Wright, CL | 1 |
| Greway, AT; Levy, MA | 1 |
| Feldmann, HR; Kaufmann, M; Pyerin, W; Taniguchi, H | 1 |
| Shortle, BE; Tsin, D; Warren, MP | 1 |
| Benoit, J; Leung, PC; Rodway, M; Yuen, BH; Zhou, FZ | 1 |
| Braden, TD; King, ME; Niswender, GD; Odde, KG | 1 |
| Albrecht, ED; Butterstein, GM; Jackson, JA | 1 |
| Albrecht, ED; Anderson, LD; Pepe, GJ; Wunsch, DM | 1 |
| Challis, JR; Lukash, LA; Mitchell, BF; Romano, WM | 1 |
| Benoit, J; Leung, PC; Rodway, M; Yuen, BH | 1 |
| Albrecht, ED; Pepe, GJ; Walker, ML | 1 |
| Halmesmäki, E; Stenman, UH; Ylikorkala, O | 1 |
| Huber, JC; Spona, J; Vytiska-Binstorfer, E | 1 |
| Challis, JR; Lukash, L; Lye, SJ; Mitchell, BF | 1 |
| Hodgson, E; Lewandowski, M | 1 |
| Lambotte, C | 1 |
| Convey, EM; Leung, K; Short, RE; Spicer, LJ; Tucker, HA | 1 |
| Al-Hasani, S; Diedrich, C; Diedrich, K; Krebs, D; van der Ven, H; Werner, A | 1 |
| Cognie, Y; Murray, JD; Nancarrow, CD; Scaramuzzi, RJ | 1 |
| Boussioux, AM; Chikhaoui, Y; Chitour, F; Crastes de Paulet, A; Descomps, B; Nicolas, JC | 1 |
| Seamark, RF; Stone, BA | 1 |
| Cappai, P; Manunta, G; Naitana, S | 1 |
| Cameron, AW; Fairnie, IJ; Keogh, EJ; Lindsay, DR; Oldham, CM | 1 |
| Copas, DK; Cummings, AJ; Kaelin, AC; Landon, MJ; Rosankiewicz, JR | 1 |
| Bassett, SG; Pepe, GJ | 2 |
| Maund, BA; Stubbings, LA | 1 |
| Lewis, RD; Meyer, HH | 1 |
| Das, NP; Loke, KH; Moochhala, SM | 1 |
| Banting, L; Hewlins, MJ; James, M; Jones, G; Nazareth, W; Nicholls, PJ; Rowlands, MG; Smith, HJ | 1 |
| Cox, RI; Croker, KP; Johns, MA; Johnson, TJ; Roberts, D; Salerian, M; Sunderman, F | 1 |
| Albrecht, ED; Pepe, GJ; Stahl, SJ; Waddell, BJ | 1 |
| Brown, GA; Croker, KP; Johns, MA; Sunderman, FM | 1 |
| Croxatto, HB; Forcelledo, ML | 1 |
| Gross, TS; Williams, WF | 1 |
| Brandt, ME; Covey, DF; Puett, D; Zimniski, SJ | 1 |
| Okada, H; Urabe, M; Yamamoto, T | 1 |
| Kesler, DJ; Pope, NS; Sargent, GF; Wiseman, BS | 1 |
| Eckstein, B; Gibori, G; Johnson, DC; Khan, I; Warshaw, ML | 1 |
| Azhar, S; Gibori, G; Johnson, DC; Warshaw, ML | 1 |
| Coon, MJ; Osawa, Y | 1 |
| France, JT; Magness, RR; Mason, JI; Murry, BA; Rosenfeld, CR | 1 |
| Linde, A; Wiqvist, I | 1 |
| Boucher, D; Jarrige, JF; Tlemcani, O | 1 |
| Numazawa, M; Osawa, Y; Tsuji, M; Yarborough, C | 1 |
| Judd, HL; Lee, J; Lu, JK; Matt, DW; Sarver, PL | 1 |
| Okada, H; Yamamoto, T; Yoshiji, S | 1 |
| Muto, N; Tan, L | 1 |
| Barbieri, RL; Gochberg, J; Ryan, KJ | 1 |
| Albrecht, ED; Jackson, JA | 2 |
| Kellis, JT; Nesnow, S; Vickery, LE | 1 |
| Resko, JA; Roselli, CE | 1 |
| Neumann, F; Schweikert, HU | 1 |
| Henderson, D; Kerb, U; Norbisrath, G | 1 |
| Deam, S; Kelly, RW; Seamark, RF; Stone, BA | 1 |
| Fishman, J; Hahn, EF; Miyairi, S | 1 |
| Clayton, G; Dupont, B; Green, O; Loo, M; New, MI; Nussbaum, R; Pang, S; Pollack, MS | 1 |
| Forest, MG | 1 |
| Campo, S; Dargenio, R; De Tomasi, F; Garcea, N; Panetta, V; Siccardi, P; Venneri, M | 1 |
| Brodie, AM; Garrett, WM; Wing, LY | 1 |
| Garza, F; Na, JY; Terranova, PF | 1 |
| Belaisch-Allart, J; Castanier, M; Frydman, R; Guillet-Rosso, F; Lefèvre, B; Testart, J | 1 |
| Fortune, JE; Hansel, W | 1 |
| Bradshaw, KD; MacDonald, PC; Parker, CR; Rawlins, SC; Santos-Ramos, R | 1 |
| Herriot, DM; Kerin, JF; Warnes, GM | 1 |
| Alder, EM; Bancroft, J; Cook, A; Davidson, D; West, C | 1 |
| Erkkola, R; Klemi, PJ; Seppälä, P | 1 |
| Chevins, PF; Harvey, PW | 1 |
| Brueggemeier, RW; Snider, CE | 1 |
| Petit, A; Tan, L | 1 |
| Bednarski, PJ; Nelson, SD; Porubek, DJ | 1 |
| Brueggemeier, RW; Counsell, RE; Darby, MV; Groziak, MP; Lovett, JA | 1 |
| Blaustein, A; Quagliarello, J | 1 |
| Pasanen, M | 1 |
| Westergaard, L | 1 |
| Aw, TY; Jones, DP; O'Shannessy, DJ; Priest, JH; Priest, RE | 1 |
| Arai, K; Dobashi, K; Ikegawa, A; Kambegawa, A; Ohkawa, T; Okinaga, S; Sano, Y | 1 |
| Forsberg, JG; Tenenbaum, A | 1 |
| Rousey, S; Terranova, PF | 1 |
| Christensen, IJ; McNatty, KP; Westergaard, L | 1 |
| Martin, HF; Orson, J; Owens-Stively, JA | 1 |
| Patterson, R | 1 |
| Anderson, GB; Bon Durant, RH; Kindahl, H; Kitts, DD; Stabenfeldt, GH | 1 |
| Castracane, VD; Concannon, PW | 1 |
| Ogino, M | 1 |
| Ikegawa, A | 1 |
| Oliver, JF; Renwick, AG | 1 |
| Pollow, B; Pollow, K; Schmalbeck, J; Sokolowski, G | 1 |
| Braselton, WE; Engel, LL; Orr, JC | 3 |
| Grunz, H; Pollow, B; Pollow, K; Runge, W; Schmalbeck, J; Willems, WR | 1 |
| Mirhom, YW; Szontágh, FE | 1 |
| Bloch, E; Grossman, SB | 1 |
| Lauritzen, C; Lehmann, WD; Schumann, R | 1 |
| Shimizu, K; Yamasaki, H | 1 |
| Levine, LS; New, MI | 1 |
| Gómez-Capilla, JA; Macarulla, JM; Osorio, C | 1 |
| Lehmann, WD | 1 |
| Holder, G; Rudd, BT | 1 |
| Bachmann, R; Gennser, G; Hökfelt, B; Nilsson, KO; Sternby, NH | 1 |
| Abernethy, GS; Carlson, GL; Hall, IH; Piantadosi, C | 1 |
| Rutledge, FN; Samaan, NA; Smith, JP | 1 |
| Darling, JA; Harkness, RA; Laing, AH | 1 |
| Ficher, M; Smith, KD; Steinberger, E | 1 |
| Hansel, W; Shemesh, M | 1 |
| Andre, CM; James, VH | 1 |
| Taché, J; Taché, Y | 1 |
| Floody, OR; Pfaff, DW | 1 |
| Coutts, JR; Ling, W; Macnaughton, MC; Solomon, S | 1 |
| Hamner, CE; Simmons, JG | 1 |
| Lisboa, BP; Plasse, JC | 2 |
| Dupon, C; Kim, MH | 1 |
| Juillard, MT; Malassiné, A | 1 |
| Bellmann, O; Hansmann, M; Leyendecker, G; Nocke, W; Patt, V | 1 |
| Kraus, H; Lehmann, WD; Schuhmann, R | 1 |
| Pierrepoint, CG; Rossier, G | 1 |
| Benirschke, K; Challis, JR; Judd, HL; Kim, CK; Naftolin, F; Yen, SS | 1 |
| Hampl, R; Stárka, L | 1 |
| Doughty, C; McDonald, PG | 1 |
| Breuer, H; Stárka, L | 1 |
| Drobnjak, P; Longhino, N; Pavlic, Z | 1 |
20 review(s) available for androstenedione and Pregnancy
| Article | Year |
|---|---|
Effect of sex hormones on human voice physiology: from childhood to senescence.
Topics: Androgens; Androstenedione; Dehydroepiandrosterone; Estrogens; Female; Gonadal Steroid Hormones; Gonadotropins; Humans; Male; Pregnancy; Testosterone; Voice | 2021 |
Physiology and endocrinology symposium: Anti-Müllerian hormone: a biomarker for the ovarian reserve, ovarian function, and fertility in dairy cows.
Topics: Androstenedione; Animals; Anti-Mullerian Hormone; Biomarkers; Cattle; Estradiol; Female; Fertility; Lactation; Longevity; Oocytes; Ovarian Follicle; Ovarian Reserve; Ovary; Pregnancy; Progesterone; Reproduction | 2019 |
[The alternative androgen synthesis pathway in humans].
Topics: 17-alpha-Hydroxypregnenolone; 17-alpha-Hydroxyprogesterone; Adrenal Glands; Adrenal Hyperplasia, Congenital; Androgens; Androstenedione; Animals; Child; Child, Preschool; Dehydroepiandrosterone; Dihydrotestosterone; Female; Humans; Infant; Infant, Newborn; Male; Neoplasms, Hormone-Dependent; Orchiectomy; Pregnancy; Prostatic Neoplasms; Sex Differentiation; Steroid 21-Hydroxylase; Testis; Testosterone | 2013 |
Local adjustment of blood and lymph circulation in the hormonal regulation of reproduction in female pigs--facts, conclusions and suggestions for future research.
Topics: Androstenedione; Animals; Estradiol; Female; Hormones; Lymphatic System; Ovary; Pregnancy; Progesterone; Reproduction; Swine; Uterus | 2002 |
[New mineralocorticoids and mineralocorticoid-like steroids].
Topics: Aldosterone; Androstenedione; Animals; Desoxycorticosterone; Female; Humans; Hypertension; Pregnancy; Rats | 1984 |
[Protein binding of steroids].
Topics: Adult; Androgens; Androstenedione; Androstenes; Contraceptives, Oral; Dihydrotestosterone; Estradiol Congeners; Estrenes; Estrogens; Female; Humans; Male; Pregnancy; Pregnanes; Progesterone Congeners; Progestins; Prolactin; Protein Binding; Serum Albumin; Sex Hormone-Binding Globulin; Testosterone | 1984 |
Psychoendocrine research on sexual orientation. Current status and future options.
Topics: 3-Oxo-5-alpha-Steroid 4-Dehydrogenase; Adolescent; Adrenal Hyperplasia, Congenital; Adult; Androstenedione; Animals; Diethylstilbestrol; Dihydrotestosterone; Embryonic and Fetal Development; Estradiol; Estrone; Feedback; Female; Follicle Stimulating Hormone; Forecasting; Gonadal Steroid Hormones; Gonadotropin-Releasing Hormone; Homosexuality; Humans; Liver; Luteinizing Hormone; Male; Models, Biological; Pregnancy; Prenatal Exposure Delayed Effects; Progesterone; Sex Differentiation; Sexual Behavior; Sexual Behavior, Animal; Testosterone | 1984 |
Extraglandular oestrogen formation and serum binding of oestradiol: relationship to cancer.
Topics: Adipose Tissue; Androstenedione; Breast Neoplasms; Dehydroepiandrosterone; Estradiol; Estrogens; Female; Humans; Liver; Male; Obesity; Pregnancy; Protein Binding; Sex Hormone-Binding Globulin; Testosterone; Uterine Neoplasms | 1981 |
Deuterium labelled steroid hormones: syntheses and application in quantitation and endocrinology.
Topics: Androstenedione; Chemical Phenomena; Chemistry; Dehydroepiandrosterone; Deuterium; Estradiol; Estriol; Estrogens; Estrone; Ethinyl Estradiol; Female; Gas Chromatography-Mass Spectrometry; Glucuronates; Gonadal Steroid Hormones; Humans; Hydroxytestosterones; Isotope Labeling; Male; Pregnancy; Pregnanediones; Pregnenolone; Progesterone; Progestins; Testosterone | 1981 |
Regulation of the aromatase activity of human placental cytotrophoblasts by insulin, insulin-like growth factor-I, and -II.
Topics: Androstenedione; Aromatase; Dose-Response Relationship, Drug; Estrogens; Female; Homeostasis; Humans; Insulin; Insulin-Like Growth Factor I; Insulin-Like Growth Factor II; Kinetics; Placenta; Pregnancy; Trophoblasts | 1993 |
A personal history of the early development of the concept and methods of measurement of the metabolic clearance rate particularly of steroid hormones.
Topics: Androstenedione; Estradiol; Estrone; Female; History, 20th Century; Hormones; Humans; Liver; Male; Metabolic Clearance Rate; Models, Biological; Pregnancy; Steroids; Testosterone | 1998 |
Plasma levels and secretion rate of steroids with anabolic activity in man.
Topics: Adolescent; Adrenal Glands; Adult; Androstenedione; Child; Dehydroepiandrosterone; Estradiol; Female; Fetus; Gonadal Steroid Hormones; Humans; Infant; Infant, Newborn; Male; Ovary; Pregnancy; Puberty; Testis; Testosterone | 1976 |
[The determination, secretion and plasma concentration of androgens].
Topics: Adolescent; Adult; Age Factors; Androgen Antagonists; Androgen-Binding Protein; Androgens; Androstane-3,17-diol; Androstenedione; Child; Dehydroepiandrosterone; Dihydrotestosterone; Female; Humans; Hypogonadism; Infant; Male; Pregnancy; Radioimmunoassay; Sex Factors; Testosterone; Virilism | 1979 |
Observations on the determination of fetal sex in early pregnancy.
Topics: Androstenedione; Chorionic Gonadotropin; Dihydrotestosterone; Female; Follicle Stimulating Hormone; Gestational Age; Humans; Leydig Cells; Male; Ovary; Pregnancy; Sex Determination Analysis; Testis; Testosterone | 1979 |
Endogenous anabolic agents in farm animals.
Topics: Androstenedione; Animals; Animals, Domestic; Cattle; Chickens; Colostrum; Estradiol; Estrone; Female; Goats; Gonadal Steroid Hormones; Horses; Male; Milk; Pregnancy; Progesterone; Sheep; Swine; Testosterone | 1976 |
Functional and structural relationships in the Graafian follicle population of the sheep ovary.
Topics: Androstenedione; Animals; Cell Count; Cell Membrane; Estradiol; Estrogens; Estrus; Female; Follicle Stimulating Hormone; Gonadotropins, Equine; Granulosa Cells; Hydroxysteroid Dehydrogenases; Ovarian Follicle; Ovulation; Pregnancy; Sheep; Time Factors | 1975 |
Placental steroid hormones.
Topics: Androstenedione; Cholesterol; Estrogens; Female; Gene Expression Regulation, Enzymologic; Humans; Placenta; Pregnancy; Pregnenolone; Progesterone; Steroids | 1990 |
Biochemical and pharmacological development of steroidal inhibitors of aromatase.
Topics: Androstenedione; Animals; Aromatase Inhibitors; Female; Humans; Pregnancy; Steroids | 1990 |
[Adrenal hyperplasia as a result of 21-hydroxylase deficiency: prenatal diagnosis and treatment. Neonatal diagnosis].
Topics: 17-alpha-Hydroxyprogesterone; Adrenal Hyperplasia, Congenital; Adrenocorticotropic Hormone; Amniotic Fluid; Androstenedione; Cytochrome P-450 Enzyme System; Dexamethasone; Female; Histocompatibility Antigens Class II; HLA Antigens; Humans; Hydroxyprogesterones; Immunoenzyme Techniques; Infant, Newborn; Male; Mass Screening; Pregnancy; Prenatal Diagnosis; Radioimmunoassay; Steroid 21-Hydroxylase; Steroid Hydroxylases | 1986 |
Congenital adrenal hyperplasia.
Topics: Adrenal Gland Diseases; Adrenal Glands; Androstenedione; Body Height; Dehydroepiandrosterone; Diagnosis, Differential; Estradiol; Female; Fetus; Genitalia, Female; Genitalia, Male; Humans; Hyperplasia; Male; Pregnancy; Pregnenolone; Progesterone; Steroid Hydroxylases; Testosterone | 1973 |
21 trial(s) available for androstenedione and Pregnancy
| Article | Year |
|---|---|
Effect of GnRH agonist before IVF on outcomes in infertile endometriosis patients: a randomized controlled trial.
Topics: Adult; Androstenedione; Aromatase; Endometriosis; Estradiol; Female; Fertilization in Vitro; Follicular Fluid; Gonadotropin-Releasing Hormone; Humans; Infertility, Female; Luteolytic Agents; Pregnancy; Pregnancy Rate; Prospective Studies; Single-Blind Method; Testosterone; Triptorelin Pamoate | 2020 |
First intention IVF protocol for polycystic ovaries: does oral contraceptive pill pretreatment influence COH outcome?
Topics: Adult; Androstenedione; Contraceptives, Oral; Desogestrel; Drug Administration Schedule; Drug Therapy, Combination; Embryo Transfer; Ethinyl Estradiol; Female; Fertilization in Vitro; Follicle Stimulating Hormone; Gonadotropin-Releasing Hormone; Humans; Ovarian Hyperstimulation Syndrome; Ovulation Induction; Polycystic Ovary Syndrome; Pregnancy; Pregnancy Rate; Prospective Studies; Recombinant Proteins; Testosterone; Treatment Outcome; Triptorelin Pamoate; Ultrasonography; Young Adult | 2013 |
Effects of immunization against androstenedione or bone morphogenetic protein 15 (BMP15) on reproductive performance in sheep.
Topics: Androstenedione; Animals; Birth Weight; Bone Morphogenetic Protein 15; Female; Litter Size; Ovulation Induction; Parturition; Pregnancy; Sheep; Vaccines; Weaning | 2013 |
Alterations in luteal production of androstenedione, testosterone, and estrone, but not estradiol, during mid- and late pregnancy in pigs: effects of androgen deficiency.
Topics: 17-Hydroxysteroid Dehydrogenases; Androgen Antagonists; Androstenedione; Animals; Aromatase; Corpus Luteum; Estradiol; Estrone; Female; Flutamide; Gene Expression Regulation, Enzymologic; Pregnancy; Steroid 17-alpha-Hydroxylase; Swine; Testosterone | 2014 |
Cervical Length and Androgens in Pregnant Women With Polycystic Ovary Syndrome: Has Metformin Any Effect?
Topics: Adolescent; Adult; Androgens; Androstenedione; Cervical Length Measurement; Dehydroepiandrosterone Sulfate; Female; Humans; Hypoglycemic Agents; Metformin; Polycystic Ovary Syndrome; Pregnancy; Pregnancy Trimester, First; Pregnancy Trimester, Second; Pregnancy Trimester, Third; Young Adult | 2016 |
Sequential use of letrozole and gonadotrophin in women with poor ovarian reserve: a randomized controlled trial.
Topics: Adult; Androstenedione; Anti-Mullerian Hormone; Aromatase Inhibitors; Estradiol; Female; Fertilization in Vitro; Follicle Stimulating Hormone; Follicular Fluid; Humans; Letrozole; Menotropins; Nitriles; Ovarian Follicle; Pregnancy; Pregnancy Rate; Triazoles | 2011 |
The value of anti-Mullerian hormone measurement in the long GnRH agonist protocol: association with ovarian response and gonadotrophin-dose adjustments.
Topics: Adult; Androstenedione; Anti-Mullerian Hormone; Estradiol; Female; Fertilization in Vitro; Follicular Fluid; Gonadotropin-Releasing Hormone; Humans; Ovulation Induction; Pregnancy; Pregnancy Outcome; Progesterone; Retrospective Studies; Testosterone | 2012 |
Prediction of chances for success or complications in gonadotrophin ovulation induction in normogonadotrophic anovulatory infertility.
Topics: Adult; Androstenedione; Anovulation; Body Mass Index; Female; Follicle Stimulating Hormone; Follow-Up Studies; Humans; Infertility, Female; Longitudinal Studies; Luteinizing Hormone; Multivariate Analysis; Ovulation Induction; Polycystic Ovary Syndrome; Pregnancy; Pregnancy Rate; Prospective Studies; Testosterone | 2003 |
Relationships between sex hormones assessed in amniotic fluid, and maternal and umbilical cord serum: what is the best source of information to investigate the effects of fetal hormonal exposure?
Topics: Adult; Amniotic Fluid; Androstenedione; Body Fluid Compartments; Dehydroepiandrosterone Sulfate; Estradiol; Female; Fetal Blood; Fetal Development; Gonadal Steroid Hormones; Humans; Infant, Newborn; Longitudinal Studies; Male; Middle Aged; Pregnancy; Pregnancy Trimesters; Prenatal Exposure Delayed Effects; Prospective Studies; Reference Values; Sex Factors; Sex Hormone-Binding Globulin; Testosterone; Time Factors | 2004 |
Effect of halving the daily dose of triptorelin at the start of ovarian stimulation on hormone serum levels and the outcome of in vitro fertilization.
Topics: Adult; Androstenedione; Estradiol; Female; Fertilization in Vitro; Humans; Luteinizing Hormone; Luteolytic Agents; Ovulation Induction; Pregnancy; Pregnancy Outcome; Prospective Studies; Sperm Injections, Intracytoplasmic; Triptorelin Pamoate | 2005 |
Follicular fluid vascular endothelial growth factor concentrations are increased during GnRH antagonist/FSH ovarian stimulation cycles.
Topics: Adult; Androstenedione; Estradiol; Female; Fertilization in Vitro; Follicle Stimulating Hormone, Human; Follicular Fluid; Gonadotropin-Releasing Hormone; Humans; Infertility; Luteinizing Hormone; Ovary; Pregnancy; Pregnancy Rate; Recombinant Proteins; Vascular Endothelial Growth Factor A | 2006 |
Pretreatment with transdermal testosterone may improve ovarian response to gonadotrophins in poor-responder IVF patients with normal basal concentrations of FSH.
Topics: Administration, Cutaneous; Adult; Androstenedione; Estradiol; Female; Fertilization in Vitro; Follicle Stimulating Hormone, Human; Humans; Insulin-Like Growth Factor I; Luteinizing Hormone; Oocytes; Ovarian Follicle; Ovary; Pregnancy; Pregnancy Rate; Sex Hormone-Binding Globulin; Testosterone; Tissue and Organ Harvesting | 2006 |
Gonadotropin-releasing hormone antagonists increase follicular fluid insulin-like growth factor-I and vascular endothelial growth factor during ovarian stimulation cycles.
Topics: Adult; Androstenedione; Chorionic Gonadotropin; Estradiol; Female; Follicular Fluid; Gonadotropin-Releasing Hormone; Humans; Infertility; Insulin-Like Growth Factor I; Leuprolide; Luteinizing Hormone; Ovulation Induction; Pregnancy; Vascular Endothelial Growth Factor A | 2006 |
Clinical outcome and hormone profiles before and after laparoscopic electroincision of the ovaries in women with polycystic ovary syndrome.
Topics: Adult; Androstenedione; beta-Endorphin; Clomiphene; Drug Resistance; Electrosurgery; Female; Fertility Agents, Female; Follicle Stimulating Hormone; Humans; Laparoscopy; Luteinizing Hormone; Menstrual Cycle; Polycystic Ovary Syndrome; Pregnancy; Pregnancy Rate; Progesterone; Testosterone; Treatment Outcome | 2007 |
Elevated follicular fluid angiotensin II and pregnancy outcome.
Topics: Adult; Androstenedione; Angiotensin II; Estradiol; Female; Fertilization in Vitro; Follicle Stimulating Hormone; Follicular Fluid; Humans; Menotropins; Ovulation Induction; Pregnancy; Pregnancy Outcome; Progesterone; Retrospective Studies; Testosterone | 1995 |
The effects of gonadotropin-releasing hormone agonist on androstenedione production and follicular development during controlled ovarian hyperstimulation.
Topics: Adult; Androstenedione; Buserelin; Embryo Transfer; Estradiol; Female; Fertility Agents, Female; Fertilization in Vitro; Follicle Stimulating Hormone; Follicular Atresia; Gonadotropins; Humans; Infertility, Female; Luteinizing Hormone; Male; Ovarian Follicle; Pregnancy; Progesterone; Prospective Studies | 1998 |
Effects of metformin on gonadotropin-induced ovulation in women with polycystic ovary syndrome.
Topics: Adult; Androstenedione; Clomiphene; Drug Therapy, Combination; Estradiol; Female; Fertility Agents, Female; Follicle Stimulating Hormone; Humans; Hypoglycemic Agents; Luteinizing Hormone; Metformin; Ovulation; Polycystic Ovary Syndrome; Pregnancy; Prospective Studies; Treatment Outcome | 1999 |
Metformin increases the ovulatory rate and pregnancy rate from clomiphene citrate in patients with polycystic ovary syndrome who are resistant to clomiphene citrate alone.
Topics: Adolescent; Adult; Androstenedione; Body Mass Index; Clomiphene; Dehydroepiandrosterone Sulfate; Double-Blind Method; Drug Resistance; Female; Follicle Stimulating Hormone; Humans; Infertility, Female; Luteinizing Hormone; Metformin; Ovulation Induction; Placebos; Polycystic Ovary Syndrome; Pregnancy; Testosterone | 2001 |
Hormonal patterns in conceptual cycles and early pregnancy.
Topics: Androstenedione; Chorionic Gonadotropin; Clinical Trials as Topic; Estrogens; Female; Hormones; Humans; Infant; Luteinizing Hormone; Menstruation; Ovulation; Pregnancy; Pregnancy Trimester, First; Progesterone; Testosterone | 1976 |
[Ovarian stimulation for in vitro fertilization using LHRH agonists: comparison of plasma and intra-follicular hormone profiles using "short" and "long" protocols].
Topics: Adult; Androstenedione; Buserelin; Clinical Protocols; Estradiol; Female; Fertilization in Vitro; Follicular Fluid; Gonadotropin-Releasing Hormone; Humans; Infertility, Female; Luteinizing Hormone; Luteolytic Agents; Ovulation Induction; Pregnancy; Pregnancy Outcome; Progesterone; Prolactin; Retrospective Studies; Testosterone; Triptorelin Pamoate | 1990 |
Ovarian stimulation using pure FSH in an in-vitro fertilization programme.
Topics: Androstenedione; Clinical Trials as Topic; Clomiphene; Embryo Transfer; Estradiol; Female; Fertilization in Vitro; Follicle Stimulating Hormone; Humans; Oocytes; Ovarian Follicle; Ovary; Pregnancy; Progesterone | 1988 |
752 other study(ies) available for androstenedione and Pregnancy
| Article | Year |
|---|---|
Interactions of thiol-containing androgens with human placental aromatase.
Topics: Androstenedione; Aromatase Inhibitors; Chemical Phenomena; Chemistry; Drug Interactions; Female; Humans; In Vitro Techniques; Microsomes; Paraoxon; Placenta; Pregnancy; Structure-Activity Relationship; Sulfhydryl Compounds; Testosterone Congeners | 1989 |
Testosterone and androstenedione are positively associated with anti-Müllerian hormone in premenopausal women.
Topics: Adolescent; Adult; Androgens; Androstenedione; Anti-Mullerian Hormone; Cross-Sectional Studies; Female; Humans; Pregnancy; Testosterone; Young Adult | 2021 |
Estrogens Regulate Placental Angiogenesis in Horses.
Topics: Androstenedione; Angiopoietin-1; Animals; Aromatase; Estrogens; Female; Gene Expression Regulation, Developmental; Horses; Letrozole; Maternal-Fetal Relations; Neovascularization, Physiologic; Placenta; Pregnancy; Pregnancy Trimester, First; Receptors, Androgen; Steroid 17-alpha-Hydroxylase; Testosterone; Vascular Endothelial Growth Factor A | 2021 |
Relationship between dioxins and steroid hormone in 6-year-olds: A follow-up study in an e-waste region of China.
Topics: Androstenedione; Child; Child, Preschool; Dehydroepiandrosterone; Dioxins; Electronic Waste; Female; Follow-Up Studies; Humans; Infant; Milk, Human; Pregnancy; Progesterone; Steroids; Testosterone | 2022 |
High expression of CFTR in cumulus cells from mature oocytes is associated with high-quality of oocyte and subsequent embryonic development.
Topics: Androstenedione; Anti-Mullerian Hormone; Bone Morphogenetic Protein 15; Cumulus Cells; Cystic Fibrosis Transmembrane Conductance Regulator; Embryonic Development; Female; Follicle Stimulating Hormone; Growth Differentiation Factor 9; Humans; Infertility, Female; Luteinizing Hormone; Oocytes; Pregnancy; Retrospective Studies; RNA, Messenger | 2022 |
The association between autistic traits and serum testosterone, oxytocin, and androstenedione levels in prepubertal male drug naive children with attention-deficit/hyperactivity disorder.
Topics: Androstenedione; Attention Deficit Disorder with Hyperactivity; Autism Spectrum Disorder; Autistic Disorder; Child; Female; Humans; Male; Oxytocin; Pregnancy; Testosterone | 2023 |
Changes in circulating forms of anti-Muüllerian hormone and androgens in women with and without PCOS: a systematic longitudinal study throughout pregnancy.
Topics: Androgens; Androstenedione; Anti-Mullerian Hormone; Cross-Sectional Studies; Female; Humans; Infertility, Female; Longitudinal Studies; Polycystic Ovary Syndrome; Pregnancy; Prospective Studies; Testosterone | 2023 |
3βHSD activity saturates at physiological substrate concentrations in intact cells.
Topics: Androgens; Androstenediols; Androstenedione; Cell Line, Tumor; Dehydroepiandrosterone; Humans; Male; Placenta; Pregnancy; Prostatic Neoplasms | 2023 |
Androgen and inhibin B levels during ovarian stimulation before and after 8 weeks of low-dose hCG priming in women with low ovarian reserve.
Topics: Androgens; Androstenedione; Female; Fertilization in Vitro; Humans; Ovarian Reserve; Ovulation Induction; Pregnancy; Pregnancy Rate; Prospective Studies; Sperm Injections, Intracytoplasmic | 2023 |
Comparative steroid profiling of newborn hair and umbilical cord serum highlights the role of fetal adrenals, placenta, and pregnancy outcomes in fetal steroid metabolism.
Topics: Androstenedione; Dehydroepiandrosterone; Estrone; Female; Humans; Hydrocortisone; Infant, Newborn; Male; Placenta; Pregnancy; Pregnancy Outcome; Tandem Mass Spectrometry; Umbilical Cord | 2023 |
Minipuberty in Sons of Women with Low Vitamin D Status during Pregnancy.
Topics: Androstenedione; Female; Follicle Stimulating Hormone; Humans; Infant; Infant, Newborn; Male; Nuclear Family; Pregnancy; Testosterone; Vitamin D; Vitamin D Deficiency | 2023 |
Changes in serum markers of patients with PCOS during consecutive clomiphene stimulation cycles: a retrospective study.
Topics: Adult; Androstenedione; Anti-Mullerian Hormone; Biomarkers; Case-Control Studies; Clomiphene; Female; Follicle Stimulating Hormone; Humans; Luteinizing Hormone; Ovarian Follicle; Ovulation Induction; Polycystic Ovary Syndrome; Pregnancy; Retrospective Studies; Sex Hormone-Binding Globulin; Testosterone | 2019 |
Androstenedione and testosterone but not progesterone are potential biomarkers of pregnancy in Humpback Whales (Megaptera novaeangliae) approaching parturition.
Topics: Androstenedione; Animals; Biomarkers; Female; Humpback Whale; Pregnancy; Pregnancy Tests; Progesterone; Seasons; Subcutaneous Fat; Testosterone | 2020 |
Foetal virilisation caused by overproduction of non-aromatisable 11-oxygenated C19 steroids in maternal adrenal tumour.
Topics: Adrenal Gland Neoplasms; Androgens; Androstenedione; Female; Humans; Pregnancy; Steroids; Testosterone; Virilism | 2020 |
In utero exposure to maternal stressful life events and risk of polycystic ovary syndrome in the offspring: The Raine Study.
Topics: Adolescent; Androgens; Androstenedione; Cohort Studies; Female; Hirsutism; Humans; Polycystic Ovary Syndrome; Pregnancy; Prospective Studies; Testosterone | 2021 |
Birthweight Differences in Adolescent Monozygotic Twins Influence Androgens, Psychological Morbidity, and Health-Related Quality of Life.
Topics: Adolescent; Androstenedione; Birth Weight; Child Development; Female; Fetofetal Transfusion; Humans; Infant, Newborn; Longitudinal Studies; Male; Pregnancy; Prenatal Exposure Delayed Effects; Quality of Life; Twins, Monozygotic | 2020 |
Requirement for oxytocin augmentation in spontaneous parturition is associated with the maternal serum steroid hormones assessed by liquid chromatography coupled to the tandem mass spectrometry.
Topics: Androstenedione; Chromatography, Liquid; Female; Humans; Oxytocin; Parturition; Pregnancy; Steroids; Tandem Mass Spectrometry; Testosterone | 2021 |
The risk factors of gestational diabetes mellitus in patients with polycystic ovary syndrome: What should we care.
Topics: Adult; Age Factors; Androstenedione; Body Mass Index; China; Diabetes, Gestational; Fasting; Female; Fetal Membranes, Premature Rupture; Humans; Incidence; Insulin; Insulin Resistance; Polycystic Ovary Syndrome; Polyhydramnios; Postpartum Hemorrhage; Pre-Eclampsia; Pregnancy; Premature Birth; Risk Factors; Sex Hormone-Binding Globulin; Testosterone; Young Adult | 2021 |
Umbilical cord blood androgen levels in girls and boys assessed by gas chromatography-tandem mass spectrometry.
Topics: Androgens; Androstenedione; Dehydroepiandrosterone; Dihydrotestosterone; Female; Fetal Blood; Gas Chromatography-Mass Spectrometry; Gestational Age; Humans; Infant, Newborn; Limit of Detection; Male; Pregnancy; Reproducibility of Results; Sex Characteristics; Sex Hormone-Binding Globulin; Sweden; Tandem Mass Spectrometry; Testosterone | 2017 |
Equine fetal adrenal, gonadal and placental steroidogenesis.
Topics: 3-Oxo-5-alpha-Steroid 4-Dehydrogenase; Adrenal Cortex Hormones; Adrenal Glands; Androstenedione; Animals; Aromatase; Cholesterol Side-Chain Cleavage Enzyme; Dehydroepiandrosterone; Embryo, Mammalian; Female; Gene Expression Regulation, Developmental; Gene Expression Regulation, Enzymologic; Gestational Age; Gonadal Steroid Hormones; Horses; Male; Multienzyme Complexes; Ovary; Placenta; Pregnancy; Pregnenolone; Progesterone Reductase; Steroid 17-alpha-Hydroxylase; Steroid Isomerases; Testis | 2017 |
Changes to fetal steroidogenesis caused by maternal smoking.
Topics: Adult; Androstenedione; Dehydroepiandrosterone; Dehydroepiandrosterone Sulfate; Estradiol; Female; Fetal Blood; Fetus; Humans; Infant, Newborn; Male; Pregnancy; Prenatal Exposure Delayed Effects; Smoking; Steroids; Surveys and Questionnaires; Testosterone | 2017 |
Tumor necrosis factor alpha versus LH and androstendione as a reliable predictor of spontaneous ovulation after laparoscopic ovarian drilling for women with clomiphene citrate resistance polycystic ovarian disease.
Topics: Adult; Androstenedione; Biomarkers; Clomiphene; Cohort Studies; Drug Resistance; Egypt; Electrocoagulation; Estrogen Antagonists; Female; Fertility Preservation; Humans; Infertility, Female; Laparoscopy; Luteinizing Hormone; Organ Sparing Treatments; Ovary; Ovulation; Polycystic Ovary Syndrome; Pregnancy; Pregnancy Rate; Prospective Studies; Tumor Necrosis Factor-alpha | 2018 |
Synthesis of steroid hormones in the porcine oviduct during early pregnancy.
Topics: 17-Hydroxysteroid Dehydrogenases; Androstenedione; Animals; Aromatase; Estradiol; Estrone; Female; Oviducts; Pregnancy; Pregnancy, Animal; Progesterone; Steroid 17-alpha-Hydroxylase; Swine | 2018 |
Elevated androstenedione in young adult but not early adolescent prenatally androgenized female rats.
Topics: Aging; Androstenedione; Animals; Animals, Newborn; Biomarkers; Disease Models, Animal; Female; Follicle Stimulating Hormone; Hyperandrogenism; Luteinizing Hormone; Ovary; Polycystic Ovary Syndrome; Pregnancy; Prenatal Exposure Delayed Effects; Rats; Rats, Sprague-Dawley; Sexual Maturation; Testosterone | 2018 |
Anogenital distance is determined during early gestation in humans.
Topics: Anal Canal; Androstenedione; Clitoris; Female; Fetal Blood; Gestational Age; Humans; Infant, Newborn; Male; Penis; Pregnancy; Progesterone; Prospective Studies; Scrotum; Sex Factors; Tandem Mass Spectrometry; Testosterone; Vulva | 2018 |
Abnormal steroidogenesis and aromatase activity in preeclampsia.
Topics: Adult; Androstenedione; Aromatase; Estradiol; Estriol; Estrogens; Estrone; Female; Humans; Mass Spectrometry; Placenta; Placenta Growth Factor; Pre-Eclampsia; Pregnancy; Pregnenolone; Vascular Endothelial Growth Factor Receptor-1; Young Adult | 2018 |
Testosterone, androstenedione and dehydroepiandrosterone concentrations in pregnant Spanish Purebred mare.
Topics: Androstenedione; Animals; Dehydroepiandrosterone; Female; Horses; Pregnancy; Pregnancy, Animal; Testosterone | 2019 |
Body mass index and basal androstenedione are independent risk factors for miscarriage in polycystic ovary syndrome.
Topics: Abortion, Spontaneous; Adult; Androstenedione; Body Mass Index; Female; Fertilization in Vitro; Gonadotropin-Releasing Hormone; Hormone Antagonists; Humans; Hyperandrogenism; Infertility, Female; Oocytes; Overweight; Polycystic Ovary Syndrome; Pregnancy; Pregnancy Rate; Retrospective Studies; Risk Factors; Young Adult | 2018 |
The effect of orexin B on steroidogenic acute regulatory protein, P450 side-chain cleavage enzyme, and 3β-hydroxysteroid dehydrogenase gene expression, and progesterone and androstenedione secretion by the porcine uterus during early pregnancy and the est
Topics: 17-Hydroxysteroid Dehydrogenases; Androstenedione; Animals; Cytochrome P-450 Enzyme System; Endometrium; Estrous Cycle; Female; Gene Expression Regulation; Myometrium; Orexins; Phosphoproteins; Pregnancy; Progesterone; Reproduction; RNA, Messenger; Swine; Uterus | 2019 |
Circulating antimüllerian hormone and steroid hormone levels remain high in pregnant women with polycystic ovary syndrome at term.
Topics: Adult; Androstenedione; Anti-Mullerian Hormone; Biomarkers; Case-Control Studies; Estradiol; Female; Gonadal Steroid Hormones; Humans; Polycystic Ovary Syndrome; Pregnancy; Sex Factors; Term Birth; Testosterone | 2019 |
Evaluation of urinary excretion of androgens conjugated to cysteine in human pregnancy by mass spectrometry.
Topics: Adult; Androgens; Androstadienes; Androstenedione; Cysteine; Dehydroepiandrosterone; Dihydrotestosterone; Doping in Sports; Estrogens; Female; Gas Chromatography-Mass Spectrometry; Humans; Longitudinal Studies; Pregnancy; Reference Standards; Reference Values; Tandem Mass Spectrometry; Testosterone | 2014 |
Possible role of IGF2 receptors in regulating selection of 2 dominant follicles in cattle selected for twin ovulations and births.
Topics: Androstenedione; Animals; Cattle; Estradiol; Female; Follicular Fluid; Granulosa Cells; Humans; Ovarian Follicle; Ovulation; Pregnancy; Pregnancy, Twin; Progesterone; Receptor, IGF Type 2; Receptors, FSH; Receptors, LH; RNA, Messenger; Selection, Genetic; Theca Cells | 2013 |
The endocrinology of the menstrual cycle.
Topics: Androstenedione; Endocrinology; Estradiol; Female; Follicle Stimulating Hormone; Gonadotropin-Releasing Hormone; Humans; Luteinizing Hormone; Menstrual Cycle; Molecular Biology; Ovarian Follicle; Pregnancy; Progesterone | 2014 |
5Alpha-Reduced Steroids Are Major Metabolites in the Early Equine Embryo Proper and Its Membranes.
Topics: 3-Oxo-5-alpha-Steroid 4-Dehydrogenase; 5-alpha Reductase Inhibitors; Androstenedione; Animals; Aromatase; Embryo, Mammalian; Extraembryonic Membranes; Female; Horses; Hydroxysteroids; Oxidation-Reduction; Pregnancy; Progesterone; Steroids; Sulfotransferases; Testosterone | 2015 |
Exploratory study of the association of steroid profiles in stimulated ovarian follicular fluid with outcomes of IVF treatment.
Topics: Adult; Androstenedione; Dehydroepiandrosterone; Estradiol; Estrone; Female; Fertilization in Vitro; Follicular Fluid; Humans; Infertility, Female; Live Birth; Oocytes; Ovulation Induction; Pregnancy; Pregnenolone; Prospective Studies; Steroids; Tandem Mass Spectrometry; Testosterone; Young Adult | 2016 |
Placental Aromatase Is Deficient in Placental Ischemia and Preeclampsia.
Topics: Adult; Androgens; Androstenedione; Animals; Aromatase; Case-Control Studies; Cell Line, Tumor; Choriocarcinoma; Estradiol; Estrogens; Estrone; Female; Gestational Age; Humans; Ischemia; Placenta; Pre-Eclampsia; Pregnancy; Premature Birth; Prospective Studies; Rabbits; RNA, Messenger; Testosterone | 2015 |
Novel dehydroepiandrosterone troche supplementation improves the serum androgen profile of women undergoing in vitro fertilization.
Topics: Administration, Sublingual; Adult; Androgens; Androstenedione; Body Mass Index; Chemistry, Pharmaceutical; Dehydroepiandrosterone; Dosage Forms; Drug Administration Schedule; Drug Dosage Calculations; Female; Fertility; Fertility Agents, Female; Fertilization in Vitro; Humans; Infertility; Pregnancy; Retrospective Studies; Testosterone; Time Factors; Treatment Outcome | 2015 |
Mass spectrometry methods measured androgen and estrogen concentrations during pregnancy and in newborns of mothers with polycystic ovary syndrome.
Topics: Adult; Androgens; Androstenedione; Case-Control Studies; Chromatography, Liquid; Dehydroepiandrosterone; Estradiol; Estriol; Estrogens; Estrone; Female; Fetal Blood; Gestational Age; Humans; Infant, Newborn; Male; Polycystic Ovary Syndrome; Pregnancy; Prospective Studies; Tandem Mass Spectrometry; Testosterone | 2016 |
Increase in endogenous estradiol in the progeny of obese rats is associated with precocious puberty and altered follicular development in adulthood.
Topics: Androstenedione; Animals; Body Weight; Cytochrome P-450 CYP3A; Diet, High-Fat; Estradiol; Estriol; Female; Follicle Stimulating Hormone; Insulin; Liver; Luteinizing Hormone; Maternal Nutritional Physiological Phenomena; Obesity; Pregnancy; Prenatal Exposure Delayed Effects; Rats; Rats, Sprague-Dawley; Sexual Maturation | 2016 |
Early embryo loss, morphology, and effect of previous immunization against androstenedione in the ewe.
Topics: Androstenedione; Animals; Female; Immunization; Ovulation; Pregnancy; Pregnancy Rate; Sheep; Tissue and Organ Harvesting | 2016 |
Effects of adrenal androgens during the prenatal period on the second to fourth digit ratio in school-aged children.
Topics: Adrenal Glands; Adult; Androgens; Androstenedione; Cortisone; Dehydroepiandrosterone; Female; Humans; Hydrocortisone; Pregnancy; Prenatal Exposure Delayed Effects; Prospective Studies; Sex Characteristics | 2016 |
Effect of adiponectin on the steroidogenic acute regulatory protein, P450 side chain cleavage enzyme and 3β-hydroxysteroid dehydrogenase gene expression, progesterone and androstenedione production by the porcine uterus during early pregnancy.
Topics: 17-Hydroxysteroid Dehydrogenases; Adiponectin; Androstenedione; Animals; Cholesterol Side-Chain Cleavage Enzyme; Endometrium; Estrous Cycle; Female; Gene Expression Regulation; Insulin; Myometrium; Phosphoproteins; Pregnancy; Progesterone; Swine | 2016 |
Pregestational type 2 diabetes and gestational diabetes exhibit different sexual steroid profiles during pregnancy.
Topics: Adult; Androstenedione; Chile; Dehydroepiandrosterone Sulfate; Diabetes Mellitus, Type 2; Diabetes, Gestational; Down-Regulation; Estradiol; Estriol; Estrone; Female; Humans; Hyperandrogenism; Hyperinsulinism; Insulin Resistance; Longitudinal Studies; Pregnancy; Pregnancy in Diabetics; Pregnancy Trimester, Second; Pregnancy Trimester, Third; Prospective Studies; Tertiary Care Centers | 2017 |
Maternal Preeclampsia and Androgens in the Offspring around Puberty: A Follow-Up Study.
Topics: Androgens; Androstenedione; Child; Dehydroepiandrosterone Sulfate; Female; Follow-Up Studies; Humans; Insulin-Like Growth Factor I; Male; Organ Size; Pre-Eclampsia; Pregnancy; Puberty; Testis; Testosterone | 2016 |
Characterization and longitudinal monitoring of serum androgens and glucocorticoids during normal pregnancy in the killer whale (Orcinus orca).
Topics: Androgens; Androstenedione; Animals; Corticosterone; Dehydroepiandrosterone; Female; Fetus; Glucocorticoids; Hydrocortisone; Male; Parturition; Pregnancy; Testosterone; Whale, Killer | 2017 |
Umbilical cord blood androgen levels and ASD-related phenotypes at 12 and 36 months in an enriched risk cohort study.
Topics: Adult; Androstenedione; Autism Spectrum Disorder; Chromatography, Liquid; Cohort Studies; Dehydroepiandrosterone; Female; Fetal Blood; Humans; Infant; Linear Models; Longitudinal Studies; Male; Pregnancy; Prospective Studies; Risk Assessment; Severity of Illness Index; Siblings; Tandem Mass Spectrometry; Testosterone | 2017 |
Molecular and morphological changes in placenta and embryo development associated with the inhibition of polyamine synthesis during midpregnancy in mice.
Topics: Androstenedione; Animals; Decidua; Eflornithine; Embryonic Development; Enzyme Inhibitors; Female; Gene Expression Regulation, Developmental; Gestational Age; Hematopoiesis; Mice; Mice, Inbred Strains; Ornithine Decarboxylase; Polyamines; Pregnancy; Progesterone; Steroids; Yolk Sac | 2008 |
Intrafollicular antimüllerian hormone levels predict follicle responsiveness to follicle-stimulating hormone (FSH) in normoandrogenic ovulatory women undergoing gonadotropin releasing-hormone analog/recombinant human FSH therapy for in vitro fertilization
Topics: Androstenedione; Anti-Mullerian Hormone; Dihydrotestosterone; Embryo Transfer; Estradiol; Female; Fertilization in Vitro; Follicle Stimulating Hormone; Follicular Fluid; Gonadotropin-Releasing Hormone; Humans; Ovarian Follicle; Ovulation; Pregnancy; Progesterone; Recombinant Proteins; Testosterone | 2009 |
Endometrial and myometrial secretion of androgens and estrone during early pregnancy and luteolysis in pigs.
Topics: Androgens; Androstenedione; Animals; Endometrium; Estrone; Female; Luteolysis; Myometrium; Pregnancy; Pregnancy, Animal; Sus scrofa; Testosterone | 2008 |
Endogenous steroid hormone levels in early pregnancy and risk of testicular cancer in the offspring: a nested case-referent study.
Topics: Adolescent; Adult; Androstenedione; Case-Control Studies; Child; Child, Preschool; Dehydroepiandrosterone Sulfate; Estradiol; Estrone; Female; Gonadal Steroid Hormones; Humans; Infant; Infant, Newborn; Male; Pregnancy; Prenatal Exposure Delayed Effects; Risk Assessment; Risk Factors; Sex Hormone-Binding Globulin; Testicular Neoplasms; Testosterone; Young Adult | 2009 |
Androgen receptors in coeliac ganglion in late pregnant rat.
Topics: 20-alpha-Hydroxysteroid Dehydrogenase; 3-Hydroxysteroid Dehydrogenases; Androgen Antagonists; Androstenedione; Animals; Corpus Luteum; Female; Flutamide; Ganglia, Sympathetic; Immunohistochemistry; Male; Nitriles; Ovary; Pregnancy; Progesterone; Rats; Receptors, Androgen; Reverse Transcriptase Polymerase Chain Reaction; RNA, Messenger; Time Factors | 2009 |
An efficient steroid pharmacophore-based strategy to identify new aromatase inhibitors.
Topics: Androstenedione; Antineoplastic Agents, Hormonal; Aromatase; Aromatase Inhibitors; Breast Neoplasms; Drug Design; Female; Humans; Models, Molecular; Placenta; Pregnancy; Structure-Activity Relationship | 2009 |
6beta,19-Bridged androstenedione analogs as aromatase inhibitors.
Topics: Androstenedione; Aromatase; Aromatase Inhibitors; Female; Humans; Inhibitory Concentration 50; Placenta; Pregnancy | 2009 |
The relationship between maternal and umbilical cord androgen levels and polycystic ovary syndrome in adolescence: a prospective cohort study.
Topics: Adolescent; Adult; Androgens; Androstenedione; Biomarkers; Cohort Studies; Dehydroepiandrosterone Sulfate; Female; Fetal Blood; Gestational Age; Humans; Mothers; Multivariate Analysis; Polycystic Ovary Syndrome; Pregnancy; Pregnancy Trimesters; Prenatal Exposure Delayed Effects; Prospective Studies; Testosterone | 2009 |
X-ray structure of human aromatase reveals an androgen-specific active site.
Topics: Androstenedione; Aromatase; Catalytic Domain; Crystallography, X-Ray; Female; Humans; Models, Molecular; Placenta; Pregnancy; Protein Binding; Protein Conformation | 2010 |
Androgens and estradiol-17beta production by porcine uterine cells: In vitro study.
Topics: Androstenedione; Animals; Aromatase; Cells, Cultured; Endometrium; Estradiol; Female; Myometrium; Oxytocin; Pregnancy; Progesterone; RNA, Messenger; Sus scrofa; Testosterone; Uterus | 2010 |
Mid-pregnancy androgen levels are negatively associated with breastfeeding.
Topics: Adult; Androstenedione; Breast Feeding; Dehydroepiandrosterone; Female; Humans; Maternal Age; Multivariate Analysis; Norway; Pregnancy; Pregnancy Trimester, Second; Prospective Studies; Smoking; Socioeconomic Factors; Testosterone; Young Adult | 2010 |
Luteinizing hormone and androstendione are independent predictors of ovulation after laparoscopic ovarian drilling: a retrospective cohort study.
Topics: Adult; Androstenedione; Cohort Studies; Female; Follicle Stimulating Hormone, Human; Humans; Laparoscopy; Luteinizing Hormone; Ovary; Ovulation; Predictive Value of Tests; Pregnancy; Retrospective Studies; Testosterone; Treatment Outcome; Young Adult | 2009 |
The effects of storage time and sampling season on the stability of serum 25-hydroxy vitamin D and androstenedione.
Topics: Adult; Androstenedione; Blood Specimen Collection; Drug Stability; Female; Finland; Humans; Pregnancy; Pregnancy Trimester, First; Seasons; Time Factors; Vitamin D | 2010 |
Levels of dihydrotestosterone, testosterone, androstenedione, and estradiol in canalicular, saccular, and alveolar mouse lungs.
Topics: Androstenedione; Animals; Dihydrotestosterone; Estradiol; Female; Hindlimb; Lung; Male; Mice; Mice, Inbred BALB C; Pregnancy; Receptors, Androgen; Sex Factors; Testosterone | 2010 |
Are mid-pregnancy androgen levels negatively associated with breastfeeding?
Topics: Androgens; Androstenedione; Breast Feeding; Dehydroepiandrosterone; Female; Humans; Infant, Newborn; Linear Models; Norway; Pregnancy; Pregnancy Trimester, Second; Probability; Risk Assessment; Testosterone | 2010 |
Clinical characteristics of Taiwanese children with congenital adrenal hyperplasia caused by 21-hydroxylase deficiency in the pre-screening era.
Topics: 17-alpha-Hydroxyprogesterone; Adrenal Hyperplasia, Congenital; Androstenedione; Dehydroepiandrosterone; Female; Genotype; Humans; Hydrocortisone; Hyponatremia; Infant, Newborn; Male; Phenotype; Pigmentation Disorders; Point Mutation; Pregnancy; Steroid 21-Hydroxylase | 2010 |
Salivary glands - "an unisex organ'?
Topics: Aging; Androstenedione; Dehydroepiandrosterone; Female; Gonadal Steroid Hormones; Humans; Male; Pregnancy; Receptors, Steroid; Saliva; Salivary Gland Diseases; Salivary Glands; Sex Characteristics; Zona Reticularis | 2010 |
Growth-restricted preterm newborns are predisposed to functional adrenal hyperandrogenism in adult life.
Topics: Adolescent; Adrenal Gland Diseases; Adult; Androstenedione; Birth Weight; Contraceptives, Oral; Dehydroepiandrosterone Sulfate; Female; Fetal Growth Retardation; Gestational Age; Humans; Hydrocortisone; Hyperandrogenism; Immunoassay; Infant, Newborn; Insulin; Insulin Resistance; Male; Pregnancy; Regression Analysis; Young Adult | 2010 |
Influence of preterm birth and small birth size on serum anti-Müllerian hormone levels in young adult women.
Topics: Adolescent; Androstenedione; Anti-Mullerian Hormone; Birth Weight; Cohort Studies; Female; Gestational Age; Humans; Infant, Newborn; Infant, Small for Gestational Age; Ovarian Follicle; Pregnancy; Premature Birth; Prenatal Exposure Delayed Effects; Regression Analysis; Sex Hormone-Binding Globulin; Smoking; Social Class; Testosterone; Young Adult | 2010 |
Endocrine correlates of pregnancy in the ring-tailed lemur (Lemur catta): implications for the masculinization of daughters.
Topics: Androgens; Androstenedione; Animals; Estradiol; Female; Lemur; Male; Pregnancy; Radioimmunoassay; Sex Differentiation; Social Dominance; Testosterone | 2011 |
[Androstenedione].
Topics: Adolescent; Adult; Androstenedione; Child; Child, Preschool; Female; Humans; Male; Middle Aged; Pregnancy | 2010 |
The anti-androgen combination, flutamide plus finasteride, paradoxically suppressed LH and androgen concentrations in pregnant spotted hyenas, but not in males.
Topics: Androgen Antagonists; Androstenedione; Animals; Estradiol; Feedback; Female; Finasteride; Flutamide; Hyaenidae; Luteinizing Hormone; Male; Pregnancy; Progesterone; Sex Differentiation; Sex Factors; Testosterone | 2011 |
Cryptotanshinone reverses reproductive and metabolic disturbances in prenatally androgenized rats via regulation of ovarian signaling mechanisms and androgen synthesis.
Topics: 17-alpha-Hydroxyprogesterone; Androgens; Androstenedione; Animals; Drugs, Chinese Herbal; Female; Glucose; Insulin; Insulin Resistance; Models, Animal; Ovary; Phenanthrenes; Polycystic Ovary Syndrome; Pregnancy; Prenatal Exposure Delayed Effects; Rats; Rats, Wistar; Reproduction; Signal Transduction; Testosterone | 2011 |
PCOS--what matters in early pregnancy?--data from a cross-sectional, multicenter study.
Topics: Adolescent; Adult; Androstenedione; Blood Glucose; Body Mass Index; Cholesterol; Cohort Studies; Cross-Sectional Studies; Dehydroepiandrosterone Sulfate; Female; Humans; Middle Aged; Polycystic Ovary Syndrome; Pregnancy; Pregnancy Complications; Pregnancy Trimester, First; Sex Hormone-Binding Globulin; Statistics, Nonparametric; Testosterone; Triglycerides; Young Adult | 2011 |
Higher order organization of human placental aromatase.
Topics: Amino Acid Sequence; Androgens; Androstenedione; Aromatase; Aromatase Inhibitors; Crystallography, X-Ray; Estrogens; Female; Heme; Humans; Models, Molecular; Molecular Sequence Data; Placenta; Pregnancy; Protein Structure, Secondary; Substrate Specificity | 2011 |
Maternal exposure to benzo[b]fluoranthene disturbs reproductive performance in male offspring mice.
Topics: Analysis of Variance; Androstenedione; Animals; Apoptosis; Basic Helix-Loop-Helix Transcription Factors; Body Weight; Dose-Response Relationship, Drug; Environmental Pollutants; Estrogen Receptor alpha; Female; Fluorenes; Gestational Age; Lactation; Male; Maternal Exposure; Mice; Mice, Inbred C57BL; Pregnancy; Prenatal Exposure Delayed Effects; Receptors, Aryl Hydrocarbon; Reproduction; Spermatozoa; Testis | 2011 |
Androstenedione acts on the coeliac ganglion and modulates luteal function via the superior ovarian nerve in the postpartum rat.
Topics: 20-Hydroxysteroid Dehydrogenases; 3-Hydroxysteroid Dehydrogenases; Androstenedione; Animals; Aromatase; Chromatography, High Pressure Liquid; Estradiol; Female; Ganglia, Sympathetic; In Vitro Techniques; Ovary; Postpartum Period; Pregnancy; Progesterone; Rats; Reverse Transcriptase Polymerase Chain Reaction | 2011 |
Enhanced thecal androgen production is prenatally programmed in an ovine model of polycystic ovary syndrome.
Topics: Androgens; Androstenedione; Animals; Cholesterol Side-Chain Cleavage Enzyme; Disease Models, Animal; Female; Gene Expression; Humans; Hydroxysteroid Dehydrogenases; Hypothalamo-Hypophyseal System; In Vitro Techniques; Ovary; Phosphoproteins; Polycystic Ovary Syndrome; Pregnancy; Prenatal Exposure Delayed Effects; Receptors, LH; RNA, Messenger; Sheep, Domestic; Steroid 17-alpha-Hydroxylase; Testosterone Propionate; Theca Cells; Virilism | 2012 |
Human chorionic gonadotrophin stimulation test as a predictor of ovarian response and pregnancy in IVF cycles stimulated with GnRH agonist gonadotrophin treatment: a pilot study.
Topics: 17-alpha-Hydroxyprogesterone; Adult; Age Factors; Androstenedione; Biomarkers; Chorionic Gonadotropin; Estradiol; Female; Fertilization in Vitro; Follicle Stimulating Hormone; Gonadotropin-Releasing Hormone; Humans; Ovary; Pilot Projects; Predictive Value of Tests; Pregnancy; Prospective Studies; Testosterone | 2012 |
Relationship between anti-Müllerian hormone (AMH) and insulin levels during different tanner stages in daughters of women with polycystic ovary syndrome.
Topics: Adolescent; Androstenedione; Anti-Mullerian Hormone; Blood Glucose; Child; Cohort Studies; Estradiol; Female; Follicle Stimulating Hormone; Humans; Insulin; Luteinizing Hormone; Nuclear Family; Ovary; Polycystic Ovary Syndrome; Pregnancy; Puberty; Sex Hormone-Binding Globulin; Statistics, Nonparametric; Testosterone | 2012 |
Smaller genitals at school age in boys whose mothers were exposed to non-persistent pesticides in early pregnancy.
Topics: Adult; Agriculture; Androstenedione; Child; Dehydroepiandrosterone Sulfate; Denmark; Female; Genitalia, Male; Humans; Infant; Male; Maternal Exposure; Pesticides; Pregnancy; Prenatal Exposure Delayed Effects; Puberty; Sex Hormone-Binding Globulin; Testis; Testosterone | 2012 |
Early breast development in girls after prenatal exposure to non-persistent pesticides.
Topics: Agriculture; Androstenedione; Breast; Child; Female; Humans; Infant; Pesticides; Pregnancy; Prenatal Exposure Delayed Effects; Risk Assessment | 2012 |
New structure-activity relationships of A- and D-ring modified steroidal aromatase inhibitors: design, synthesis, and biochemical evaluation.
Topics: Androstenedione; Aromatase; Aromatase Inhibitors; Binding Sites; Epoxy Compounds; Female; Humans; Inhibitory Concentration 50; Kinetics; Microsomes; Models, Molecular; Placenta; Pregnancy; Structure-Activity Relationship | 2012 |
A comparison of serum androgens in pre-eclamptic and normotensive pregnant women during the third trimester of pregnancy.
Topics: Adult; Androgens; Androstenedione; Case-Control Studies; Dehydroepiandrosterone Sulfate; Female; Humans; Pre-Eclampsia; Pregnancy; Pregnancy Trimester, Third; Sex Hormone-Binding Globulin; Testosterone; Up-Regulation; Young Adult | 2012 |
Biosynthesis of oestrogen by the early equine embryo proper.
Topics: Androstenedione; Animals; Aromatase; Blood Vessels; Embryo, Mammalian; Embryonic Development; Estrogens; Female; Gestational Age; Pregnancy; Tritium | 2012 |
The activity and localization of 3β-hydroxysteroid dehydrogenase/Δ(5)-Δ(4) isomerase and release of androstenedione and progesterone by uterine tissues during early pregnancy and the estrous cycle in pigs.
Topics: 17-Hydroxysteroid Dehydrogenases; Androstenedione; Animals; Endometrium; Estrous Cycle; Female; Gene Expression Regulation, Developmental; Gene Expression Regulation, Enzymologic; Myometrium; Pregnancy; Pregnancy, Animal; Progesterone; RNA, Messenger; Swine; Time Factors; Uterus | 2013 |
Placental steroidogenesis in pregnant women with polycystic ovary syndrome.
Topics: 17-Hydroxysteroid Dehydrogenases; Adult; Androstenedione; Aromatase; Case-Control Studies; Female; Humans; Infant, Newborn; Male; Placenta; Polycystic Ovary Syndrome; Pregnancy; Pregnancy Complications, Neoplastic; Steryl-Sulfatase; Testosterone; Young Adult | 2013 |
Androgens concentrations and second-to fourth-digit ratio (2D:4D) in girls with congenital adrenal hyperplasia (21-hydroxylase deficiency).
Topics: 17-alpha-Hydroxyprogesterone; Adolescent; Adrenal Hyperplasia, Congenital; Androgens; Androstenedione; Anti-Inflammatory Agents; Child; Child, Preschool; Dehydroepiandrosterone; Female; Fingers; Humans; Hydrocortisone; Pregnancy; Prenatal Exposure Delayed Effects; Retrospective Studies; Testosterone; Virilism; Young Adult | 2012 |
Aromatization of 16alpha-hydroxyandrostenedione by human placental microsomes: effect of preincubation with suicide substrates of androstenedione aromatization.
Topics: Androstenedione; Aromatase; Female; Humans; Microsomes; Placenta; Pregnancy | 2002 |
Mammary secretion of oestrogens in the cow.
Topics: Androstenedione; Animals; Aorta, Abdominal; Cattle; Chromatography, High Pressure Liquid; Estradiol; Estrogens; Estrone; Female; Mammary Glands, Animal; Mastitis, Bovine; Milk; Pregnancy; Tritium; Uterus; Veins | 2002 |
Developmental regulation of baboon fetal ovarian maturation by estrogen.
Topics: Androstenedione; Animals; Aromatase Inhibitors; Enzyme Inhibitors; Epithelium; Estradiol; Estrogen Receptor alpha; Estrogen Receptor beta; Estrogens; Female; Fetal Blood; Gestational Age; Letrozole; Mesoderm; Nitriles; Organ Size; Ovary; Papio; Pregnancy; Receptors, Estrogen; Testosterone; Triazoles | 2002 |
Maternal serum androgens in pregnant women with polycystic ovarian syndrome: possible implications in prenatal androgenization.
Topics: Adolescent; Adult; Androgens; Androstenedione; Blood Glucose; Dehydroepiandrosterone Sulfate; Female; Fetal Diseases; Gestational Age; Glucose Tolerance Test; Humans; Hyperandrogenism; Insulin; Polycystic Ovary Syndrome; Pregnancy; Progesterone; Sex Hormone-Binding Globulin; Testosterone | 2002 |
Studies on the catalytic function of aromatase: aromatization of 6-alkoxy-substituted androgens.
Topics: Androstenedione; Aromatase; Catalysis; Enzyme Inhibitors; Female; Gas Chromatography-Mass Spectrometry; Humans; Kinetics; Microsomes; Molecular Structure; Placenta; Pregnancy; Structure-Activity Relationship | 2002 |
Progesterone promotes survival of the rat corpus luteum in the absence of cognate receptors.
Topics: Androstenedione; Animals; Apoptosis; Base Sequence; Corpus Luteum; Female; Luteolysis; Postpartum Period; Pregnancy; Progesterone; Rats; Rats, Wistar; Receptors, Progesterone; RNA, Messenger | 2003 |
Estrogen synthesis in fetal sheep brain: effect of maternal treatment with an aromatase inhibitor.
Topics: Androgens; Androstatrienes; Androstenedione; Animals; Aromatase Inhibitors; Brain; Dihydrotestosterone; Enzyme Inhibitors; Estrogens; Female; Fetal Blood; Fetus; Male; Pregnancy; Sheep; Testosterone | 2003 |
Effects of cortisol and oestradiol on hepatic 11beta-hydroxysteroid dehydrogenase type 1 and glucocorticoid receptor proteins in late-gestation sheep fetus.
Topics: 11-beta-Hydroxysteroid Dehydrogenases; Analysis of Variance; Androstenedione; Animals; Aromatase Inhibitors; Blotting, Western; Enzyme Inhibitors; Estradiol; Female; Gestational Age; Hydrocortisone; Hydroxysteroid Dehydrogenases; Immunohistochemistry; Liver; Microsomes, Liver; Pregnancy; Receptors, Glucocorticoid; Sheep; Stimulation, Chemical | 2003 |
Nausea and vomiting associate with increasing maternal androgen levels in otherwise uncomplicated pregnancies.
Topics: Adult; Androgens; Androstenedione; Dehydroepiandrosterone Sulfate; Female; Humans; Infant, Newborn; Nausea; Pregnancy; Pregnancy Complications; Sex Hormone-Binding Globulin; Testosterone; Vomiting | 2003 |
Androgen levels in pregnant women decrease with increasing maternal age.
Topics: Adolescent; Adult; Aging; Androgens; Androstenedione; Dehydroepiandrosterone Sulfate; Female; Humans; Maternal Age; Pregnancy; Pregnancy Trimester, Second; Pregnancy Trimester, Third; Pregnancy, High-Risk; Testosterone | 2003 |
Elevated serum concentrations of androgens in women with pregnancy-induced hypertension.
Topics: Adult; Androgens; Androstenedione; Female; Humans; Hypertension; Pre-Eclampsia; Pregnancy; Pregnancy Complications, Cardiovascular; Reference Values; Regression Analysis; Risk Factors; Testosterone | 2003 |
Correlation of serum hormone concentrations in maternal and umbilical cord samples.
Topics: Adult; Androstenedione; Biomarkers; Case-Control Studies; Dehydroepiandrosterone; Dehydroepiandrosterone Sulfate; Estradiol; Estriol; Estrone; Female; Fetal Blood; Hormones; Humans; Infant, Newborn; Male; Neoplasms; Pennsylvania; Pregnancy; Testosterone | 2003 |
Brief undernutrition in late-gestation sheep programs the hypothalamic-pituitary-adrenal axis in adult offspring.
Topics: Adrenocorticotropic Hormone; Age Factors; Androstenedione; Animals; Animals, Newborn; Birth Weight; Cortodoxone; Female; Gestational Age; Hydrocortisone; Hypothalamo-Hypophyseal System; Pituitary-Adrenal System; Placental Insufficiency; Pregnancy; Progesterone; Sheep | 2003 |
Do basal oestradiol and oestradiol:androgens and oestradiol:FSH ratios reflect pregnancy potential of women receiving intrauterine insemination during natural cycles?
Topics: Adult; Androgens; Androstenedione; Estradiol; Female; Fertilization; Follicle Stimulating Hormone; Humans; Insemination, Artificial; Likelihood Functions; Menstrual Cycle; Osmolar Concentration; Pregnancy; Prolactin; Reference Values; Retrospective Studies; Testosterone; Treatment Outcome | 2003 |
Functional differentiation of the placental syncytiotrophoblast: Effect of estrogen on chorionic somatomammotropin expression during early primate pregnancy.
Topics: 3-Hydroxysteroid Dehydrogenases; Androstenedione; Animals; Aromatase; Blotting, Northern; Blotting, Western; Estradiol; Estrogens; Female; Fetal Weight; Papio; Placenta; Placental Lactogen; Pregnancy; Pregnancy, Animal; Radioimmunoassay; RNA, Messenger; Trophoblasts | 2003 |
Conversion of androstenedione to estrone by placental microsomes.
Topics: Androgens; Androstenedione; Estrogens; Estrone; Female; Humans; Lipid Metabolism; Microsomes; Placenta; Pregnancy | 1958 |
Conversion of androstenedione-4-C14 to estrone by the marmoset placenta.
Topics: Androgens; Androstenedione; Animals; Callithrix; Estrone; Female; Humans; Placenta; Pregnancy | 1961 |
KINETIC STUDIES ON THE ROLE OF 19-HYDROXYANDROST-4-ENE-3,17-DIONE IN ESTROGEN BIOSYNTHESIS.
Topics: Androgens; Androstenedione; Estradiol Congeners; Estrogens; Female; Kinetics; Metabolism; Microsomes; Placenta; Pregnancy; Research | 1965 |
Ovarian follicular development in cattle selected for twin ovulations and births.
Topics: Androstenedione; Animals; Case-Control Studies; Cattle; Corpus Luteum; Estradiol; Female; Follicular Fluid; Insulin-Like Growth Factor Binding Proteins; Insulin-Like Growth Factor I; Ovarian Follicle; Ovulation; Ovulation Induction; Pregnancy; Pregnancy, Multiple; Selection, Genetic; Testosterone; Twins | 2004 |
The relationship between plasma levels of leptin and androgen in healthy and preeclamptic pregnant women.
Topics: Adult; Androgens; Androstenedione; Body Mass Index; Case-Control Studies; Dehydroepiandrosterone Sulfate; Estradiol; Female; Gestational Age; Humans; Leptin; Pre-Eclampsia; Pregnancy; Severity of Illness Index; Testosterone | 2004 |
Prenatal blockade of estradiol synthesis impairs respiratory and metabolic responses to hypoxia in newborn and adult rats.
Topics: Adaptation, Physiological; Aging; Androstenedione; Animals; Animals, Newborn; Estradiol; Estrogen Antagonists; Female; Hypoxia; Pregnancy; Prenatal Exposure Delayed Effects; Rats; Rats, Sprague-Dawley; Respiration | 2004 |
Opposing influences of prenatal and postnatal weight gain on adrenarche in normal boys and girls.
Topics: Adrenal Cortex; Androstenedione; Birth Weight; Body Constitution; Body Weight; Child; Dehydroepiandrosterone Sulfate; Embryonic and Fetal Development; Female; Humans; Hydrocortisone; Infant, Newborn; Longitudinal Studies; Male; Multivariate Analysis; Pregnancy; Prospective Studies; Weight Gain | 2004 |
Relationship between the appearance of preantral follicles in the fetal ovary of Antarctic minke whales (Balaenoptera bonaerensis) and hormone concentrations in the fetal heart, umbilical cord and maternal blood.
Topics: Androstenedione; Animals; Antarctic Regions; Estradiol; Female; Fetal Blood; Fetal Heart; Follicle Stimulating Hormone; Gestational Age; Hormones; Luteinizing Hormone; Ovarian Follicle; Pregnancy; Progesterone; Whales | 2004 |
Hepatotoxicity of androstenedione in pregnant rats.
Topics: Administration, Oral; Alanine Transaminase; Androstenedione; Animals; Aspartate Aminotransferases; Cytochrome P-450 Enzyme System; Dietary Supplements; DNA Damage; Dose-Response Relationship, Drug; Female; Glutathione; Glutathione Transferase; L-Lactate Dehydrogenase; Lipid Peroxidation; Liver; Pregnancy; Rats; Rats, Sprague-Dawley; Safety | 2005 |
Maternal exposure to androstenedione does not induce developmental toxicity in the rat.
Topics: Administration, Oral; Androstenedione; Animals; Bone and Bones; Dose-Response Relationship, Drug; Estrus; Female; Fetal Development; Male; Maternal-Fetal Exchange; Pregnancy; Rats | 2005 |
Effects of oral androstenedione on steroid metabolism in liver of pregnant and non-pregnant female rats.
Topics: Administration, Oral; Androstenedione; Animals; Cytochrome P-450 Enzyme System; Female; Liver; Pregnancy; Rats; Steroids | 2005 |
Efficacy of metformin on ovulation induction in Asian women with polycystic ovary syndrome.
Topics: Adult; Androstenedione; Body Mass Index; Clomiphene; Coitus; Female; Humans; Hypoglycemic Agents; Infertility, Female; Insemination, Artificial; Insulin; Metformin; Ovarian Follicle; Ovulation Induction; Polycystic Ovary Syndrome; Pregnancy; Progesterone; Ultrasonography; Waist-Hip Ratio | 2004 |
Maternal serum steroid levels are unrelated to fetal sex: a study in twin pregnancies.
Topics: Adult; Androstenedione; Dehydroepiandrosterone Sulfate; Estradiol; Female; Fetofetal Transfusion; Fetus; Gonadal Steroid Hormones; Humans; Male; Maternal-Fetal Exchange; Pregnancy; Pregnancy, Multiple; Progesterone; Sex; Sex Hormone-Binding Globulin; Testosterone; Twins | 2005 |
Pregnancy hormone concentrations across ethnic groups: implications for later cancer risk.
Topics: Adult; Androstenedione; Black People; Cohort Studies; Ethnicity; Female; Hispanic or Latino; Humans; Incidence; Neoplasms; Pregnancy; Prenatal Exposure Delayed Effects; Progesterone; Risk Factors; Testosterone; White People | 2005 |
Hormonal effects in infants conceived by assisted reproductive technology.
Topics: 17-alpha-Hydroxyprogesterone; Adrenal Hyperplasia, Congenital; Age Determination by Skeleton; Androstenedione; Breast; Chorionic Gonadotropin; Chorionic Gonadotropin, beta Subunit, Human; Dehydroepiandrosterone Sulfate; Estradiol; Estrone; Female; Fertilization in Vitro; Follicle Stimulating Hormone; Hair; Humans; Infant; Infant, Newborn; Luteinizing Hormone; Male; Ovulation Induction; Pregnancy; Puberty, Precocious; Recombinant Proteins; Reproductive Techniques, Assisted; Testosterone | 2005 |
Gas chromatography-mass spectrometric analysis of oxidative reactions of [19,19-(2)H(2)]19-hydroxy-3-deoxy androgens by placental aromatase. bsence of a deuterium-isotope effect.
Topics: Androgens; Androstenedione; Animals; Aromatase; Aromatase Inhibitors; Deuterium; Female; Gas Chromatography-Mass Spectrometry; Humans; Oxidation-Reduction; Placenta; Pregnancy | 2005 |
Exogenous estradiol enhances apoptosis in regressing post-partum rat corpora lutea possibly mediated by prolactin.
Topics: Androstenedione; Animals; Apoptosis; Bromocriptine; DNA Fragmentation; Estradiol; Estrogen Receptor alpha; Estrogen Receptor beta; Female; Luteolysis; Parturition; Pregnancy; Progesterone; Prolactin; Rats; Rats, Sprague-Dawley | 2005 |
Androgen levels in the third trimester of pregnancy in patients with preeclampsia.
Topics: Adult; Androgens; Androstenedione; Dehydroepiandrosterone Sulfate; Female; Humans; Pre-Eclampsia; Pregnancy; Pregnancy Trimester, Third; Sex Hormone-Binding Globulin; Testosterone | 2006 |
Effects of oral androstenedione on phospholipid fatty acids, ATP, caspase-3, prostaglandin E(2) and C-reactive protein in serum and livers of pregnant and non-pregnant female rats.
Topics: Adenosine Triphosphate; Administration, Oral; Androstenedione; Animals; C-Reactive Protein; Caspase 3; Caspases; Dinoprostone; Dose-Response Relationship, Drug; Fatty Acids; Female; Liver; Pregnancy; Rats | 2006 |
Ovarian androgens but not estrogens correlate with the degree of systemic inflammation observed during controlled ovarian hyperstimulation.
Topics: Adult; Androstenedione; C-Reactive Protein; Drug Administration Schedule; Estrogens; Female; Fertilization in Vitro; Gonadotropin-Releasing Hormone; Humans; Ovary; Ovulation Induction; Pregnancy; Prospective Studies; Testosterone | 2005 |
Involvement of the coeliac ganglion in the luteotrophic effect of androstenedione in late pregnant rats.
Topics: Androstenedione; Animals; Corpus Luteum; Female; Ganglia, Sympathetic; Injections; Luteolysis; Norepinephrine; Ovary; Pregnancy; Progesterone; Rats; Rats, Inbred Strains; Time Factors | 2006 |
Indices of insulin sensitivity, beta cell function and serum proinsulin levels in the polycystic ovary syndrome.
Topics: Adolescent; Adult; Analysis of Variance; Androstenedione; Area Under Curve; Biomarkers; Blood Glucose; Body Mass Index; Female; Hormones; Humans; Insulin; Insulin Resistance; Insulin-Secreting Cells; Obesity; Overweight; Polycystic Ovary Syndrome; Pregnancy; Proinsulin; Sex Hormone-Binding Globulin; Steroid 17-alpha-Hydroxylase; Testosterone | 2006 |
Cognitive outcome in adult women affected by congenital adrenal hyperplasia due to 21-hydroxylase deficiency.
Topics: Adrenal Hyperplasia, Congenital; Adult; Aged; Androgens; Androstenedione; Cognition; Dehydroepiandrosterone; Female; Functional Laterality; Humans; Memory; Middle Aged; Pregnancy; Prenatal Exposure Delayed Effects; Space Perception; Steroid 21-Hydroxylase; Testosterone; Verbal Learning | 2006 |
Pregnancy in rats is modulated by ganglionic cholinergic action.
Topics: Acetylcholine; Androstenedione; Animals; Atropine; Cholinergic Agonists; Cholinergic Antagonists; Female; Ganglia, Sympathetic; Gestational Age; Hexamethonium; Models, Animal; Muscarinic Antagonists; Ovary; Pregnancy; Progesterone; Rats; Rats, Inbred Strains; Signal Transduction | 2006 |
Gas chromatography-mass spectrometric study of 19-oxygenation of the aromatase inhibitor 19-methylandrostenedione with human placental microsomes.
Topics: Androstenedione; Aromatase; Aromatase Inhibitors; Female; Gas Chromatography-Mass Spectrometry; Humans; Microsomes; Molecular Structure; Oxidation-Reduction; Oxygen; Placenta; Pregnancy; Substrate Specificity | 2006 |
Maternal testosterone levels during pregnancy are associated with offspring size at birth.
Topics: Adolescent; Adult; Androstenedione; Birth Weight; Body Size; Dehydroepiandrosterone Sulfate; Female; Humans; Infant, Newborn; Infant, Small for Gestational Age; Linear Models; Pregnancy; Pregnancy Complications; Scandinavian and Nordic Countries; Sex Hormone-Binding Globulin; Testosterone | 2006 |
Can luteal regression be reversed?
Topics: Androstenedione; Animals; Corpus Luteum; Female; Luteinizing Hormone; Luteolysis; Models, Biological; Pregnancy; Progesterone; Rats; Receptors, Androgen; Receptors, Prolactin | 2006 |
Parturition itself is the basis for fetal adrenal involution.
Topics: Adrenal Glands; Androstenedione; Dehydroepiandrosterone Sulfate; Female; Gestational Age; Humans; Hydrocortisone; Infant, Newborn; Male; Parturition; Pregnancy; Ultrasonography | 2007 |
Melatonin has dose-dependent effects on folliculogenesis, oocyte maturation capacity and steroidogenesis.
Topics: Androstenedione; Animals; Dose-Response Relationship, Drug; Estrogens; Female; Melatonin; Mice; Mice, Inbred C57BL; Mice, Inbred CBA; Oocytes; Ovarian Follicle; Ovulation; Pregnancy; Progesterone; Radiation-Protective Agents; Steroids; Theca Cells; Tissue Fixation | 2006 |
The celiac ganglion modulates LH-induced inhibition of androstenedione release in late pregnant rat ovaries.
Topics: Androstenedione; Animals; Female; Ganglia, Sympathetic; Luteinizing Hormone; Norepinephrine; Ovary; Pregnancy; Rats; Rats, Sprague-Dawley; Time Factors | 2006 |
Estradiol stimulates progenitor cell division in the ventricular and subventricular zones of the embryonic neocortex.
Topics: Androstenedione; Animals; Animals, Newborn; Aromatase; Blotting, Western; Cell Division; Cerebral Ventricles; Dose-Response Relationship, Drug; Drug Interactions; Embryo, Mammalian; Estradiol; Estrogen Antagonists; Female; Gene Expression Regulation, Developmental; Immunohistochemistry; In Situ Hybridization; In Vitro Techniques; Male; Mice; Neocortex; Pregnancy; Prenatal Exposure Delayed Effects; Reverse Transcriptase Polymerase Chain Reaction; Stem Cells; Tamoxifen; Time Factors | 2006 |
Hyperreactio luteinalis, presented as an acute abdomen.
Topics: Abdomen, Acute; Adult; Androstenedione; Cesarean Section; Chorionic Gonadotropin; Diagnosis, Differential; Female; Humans; Ovarian Hyperstimulation Syndrome; Pregnancy; Pregnancy Complications; Pregnancy Trimester, Third; Serum Globulins; Testosterone; Twins | 2007 |
Adiposity associated rise in leptin impairs ovarian activity during winter dormancy in Vespertilionid bat, Scotophilus heathi.
Topics: Adiposity; Androstenedione; Animals; Anovulation; Cells, Cultured; Chiroptera; Dose-Response Relationship, Drug; Estradiol; Female; Hibernation; Immunoblotting; Insulin; Leptin; Luteinizing Hormone; Ovary; Phosphoproteins; Pregnancy; Progesterone; Receptor, Insulin | 2007 |
Disordered follicle development in ovaries of prenatally androgenized ewes.
Topics: Androgens; Androstenedione; Animals; Female; Genitalia; Models, Animal; Ovarian Follicle; Ovary; Polycystic Ovary Syndrome; Pregnancy; Prenatal Exposure Delayed Effects; Progesterone; Sheep; Tissue Culture Techniques; Virilism | 2007 |
Sensitivity of fetal rat testicular steroidogenesis to maternal prochloraz exposure and the underlying mechanism of inhibition.
Topics: 17-alpha-Hydroxyprogesterone; Amniotic Fluid; Androgen Receptor Antagonists; Androstenedione; Animals; Body Weight; Dose-Response Relationship, Drug; Estradiol; Female; Fetus; Fungicides, Industrial; Gene Expression; Imidazoles; Male; Phosphoproteins; Pregnancy; Progesterone; Rats; RNA, Messenger; Steroid 17-alpha-Hydroxylase; Steroids; Testis; Testosterone | 2007 |
Transforming growth factor-beta1 null mutation causes infertility in male mice associated with testosterone deficiency and sexual dysfunction.
Topics: Androgens; Androstenedione; Animals; Ejaculation; Electric Stimulation; Estradiol; Female; Infertility, Male; Male; Mice; Mice, Inbred C3H; Mice, Mutant Strains; Mutation; Penile Erection; Pregnancy; Sexual Behavior, Animal; Testis; Testosterone; Transforming Growth Factor beta1 | 2007 |
Morphological and endocrine study of the ovarian interstitial tissue of viscacha (Lagostomus maximus maximus).
Topics: Androstenedione; Animals; Cholesterol; Female; Lipid Metabolism; Microscopy, Electron; Ovary; Pregnancy; Progesterone; Radioimmunoassay; Reproduction; Rodentia; Theca Cells | 2007 |
Cytotoxic effects and aromatase inhibition by xenobiotic endocrine disrupters alone and in combination.
Topics: Androstenedione; Animals; Aromatase; Aromatase Inhibitors; Benzhydryl Compounds; Catalysis; Cell Line; Cell Survival; Chlordecone; Diethylstilbestrol; Endocrine Disruptors; Female; Horses; Humans; Male; Microsomes; Molecular Structure; Phenols; Pregnancy; Testis; Transfection; Trialkyltin Compounds; Xenobiotics | 2007 |
Preeclampsia and maternal breast cancer risk by offspring gender: do elevated androgen concentrations play a role?
Topics: Androgens; Androstenedione; Breast Neoplasms; Case-Control Studies; Female; Humans; Infant, Newborn; Logistic Models; Male; New York; Odds Ratio; Pennsylvania; Pre-Eclampsia; Pregnancy; Radioimmunoassay; Risk Factors; Sex Factors | 2007 |
Maternal hyperandrogenism beginning from early pregnancy and progressing until delivery does not produce virilization of a female newborn.
Topics: Adult; Androstenedione; Aromatase; Estradiol; Female; Fetal Development; Hirsutism; Humans; Hyperandrogenism; Infant, Newborn; Polycystic Ovary Syndrome; Pregnancy; Pregnancy Complications; Testosterone | 2007 |
Effects of adlay (Coix lachryma-jobi L. var. ma-yuen Stapf.) hull extracts on the secretion of progesterone and estradiol in vivo and in vitro.
Topics: 3-Hydroxysteroid Dehydrogenases; Androstenedione; Animals; Aromatase; Cells, Cultured; Coix; Cyclic AMP-Dependent Protein Kinases; Cytochrome P-450 Enzyme System; Dose-Response Relationship, Drug; Drugs, Chinese Herbal; Estradiol; Female; Flavanones; Granulosa Cells; Horses; Phosphoproteins; Pregnancy; Progesterone; Rats; Signal Transduction; Time Factors | 2007 |
Distribution of androstenedione and its effects on total free fatty acids in pregnant rats.
Topics: Anabolic Agents; Analysis of Variance; Androstenedione; Animals; Brain; Dose-Response Relationship, Drug; Estradiol; Fatty Acids, Nonesterified; Female; Fetus; Linoleic Acids; Liver; Maternal-Fetal Exchange; Pregnancy; Rats; Tissue Distribution | 2007 |
Dietary unsaturated fatty acids influence preovulatory follicle characteristics in dairy cows.
Topics: Androstenedione; Animal Feed; Animals; Aromatase; Cattle; Dairying; Estradiol; Fatty Acids, Unsaturated; Female; Follicular Fluid; Insulin; Linoleic Acid; Oleic Acid; Ovarian Follicle; Pregnancy; Radioimmunoassay; Reverse Transcriptase Polymerase Chain Reaction; RNA, Messenger | 2008 |
Comparison of oocyte developmental competence and follicular steroid content of nulliparous heifers and cows at different stages of lactation.
Topics: Androstenedione; Animals; Cattle; Estradiol; Female; Follicular Fluid; Lactation; Oocytes; Parity; Parthenogenesis; Pregnancy; Progesterone | 2008 |
Breastfeeding in polycystic ovary syndrome.
Topics: Adult; Androstenedione; Breast Feeding; Case-Control Studies; Dehydroepiandrosterone Sulfate; Female; Humans; Infant, Newborn; Pilot Projects; Polycystic Ovary Syndrome; Postpartum Period; Pregnancy; Regression Analysis; Sex Hormone-Binding Globulin; Surveys and Questionnaires; Testosterone | 2008 |
The impact of unabated stimulation by human chorionic gonadotropin on the steroid hormone environment of pregnant rats and the spontaneous expression of ovarian cysts in female progeny.
Topics: Aging; Androstenedione; Androsterone; Animals; Chorionic Gonadotropin; Estradiol; Estrone; Female; Insulin; Ovarian Cysts; Pregnancy; Pregnancy, Animal; Progesterone; Radioimmunoassay; Rats; Rats, Sprague-Dawley; Steroids; Stimulation, Chemical; Testosterone; Uterus | 2008 |
Studies on the growth of the fetal guinea pig. Changes in plasma hormone concentration during normal and abnormal growth.
Topics: Adrenocorticotropic Hormone; Androstenedione; Animals; Arteries; Female; Fetal Growth Retardation; Fetus; Glucagon; Growth Hormone; Guinea Pigs; Hormones; Hydrocortisone; Insulin; Ligation; Pregnancy; Thyroid Hormones; Uterus | 1984 |
Effect of steroids on thyroid activity and adrenal morphology in tammar wallabies after removal of the corpus luteum.
Topics: Adrenal Glands; Androstenedione; Animals; Corpus Luteum; Estrogens; Female; Gonadal Steroid Hormones; Lactation; Macropodidae; Marsupialia; Pregnancy; Progesterone; Thyroid Gland; Thyrotropin-Releasing Hormone; Thyroxine; Triiodothyronine | 1982 |
Hirsutism and menstrual patterns in women exposed to diethylstilbestrol in utero.
Topics: Androstenedione; Dehydroepiandrosterone; Diethylstilbestrol; Estradiol; Female; Follicle Stimulating Hormone; Hirsutism; Humans; Maternal-Fetal Exchange; Menstruation; Pregnancy; Prenatal Exposure Delayed Effects | 1982 |
Follicular and plasma patterns of steroids in young and old rats during normal and prolonged estrous cycles.
Topics: Aging; Androstenedione; Animals; Dehydroepiandrosterone; Estradiol; Estrone; Estrus; Female; Gonadal Steroid Hormones; Ovarian Follicle; Pregnancy; Progesterone; Rats; Testosterone | 1982 |
Androstenedione, dehydroepiandrosterone and testosterone in ovarian vein plasma and androstenedione in peripheral arterial plasma during the bovine oestrous cycle.
Topics: Androstenedione; Animals; Carotid Arteries; Cattle; Dehydroepiandrosterone; Estrus; Female; Ovary; Pregnancy; Testosterone; Veins | 1982 |
Steroid and pituitary hormone concentrations in the fluid of preovulatory bovine follicles relative to the peak of LH in the peripheral blood.
Topics: 17-Ketosteroids; Androstenedione; Animals; Body Fluids; Cattle; Dehydroepiandrosterone; Estrone; Estrus; Female; Follicle Stimulating Hormone; Gonadotropins, Pituitary; Luteinizing Hormone; Ovarian Follicle; Ovulation; Pregnancy; Prolactin | 1983 |
Steroid metabolism by rabbit embryos: time of onset of steroidogenic activity.
Topics: Androstenedione; Animals; Blastocyst; Dehydroepiandrosterone; Embryo, Mammalian; Female; Pregnancy; Rabbits; Steroids; Testosterone | 1983 |
Testosterone, dihydrotestosterone, androstenedione and dehydroepiandrosterone concentrations in placentae, ovaries and plasma of the rat in late pregnancy.
Topics: Androstenedione; Animals; Castration; Dehydroepiandrosterone; Dihydrotestosterone; Female; Ovary; Placenta; Pregnancy; Pregnancy, Animal; Rats; Rats, Inbred Strains; Testosterone | 1984 |
Ovarian steroid metabolism and oestrogens in the corpus luteum of the tammar wallaby.
Topics: Androstenedione; Animals; Aromatase; Corpus Luteum; Dehydroepiandrosterone; Embryo Implantation, Delayed; Estradiol; Estrone; Female; Macropodidae; Marsupialia; Ovary; Pregnancy; Pregnancy, Animal; Pregnenolone | 1984 |
[The effect of androgen on the maintenance of pregnancy in progesterone-treated ovariectomized rats].
Topics: Androgens; Androstenediols; Androstenedione; Animals; Castration; Dehydroepiandrosterone; Female; Fetal Death; Pregnancy; Pregnancy Maintenance; Progesterone; Rats; Rats, Inbred Strains | 1984 |
[Aromatization of C-19 steroid in human fetal liver tissue].
Topics: Androstenedione; Dehydroepiandrosterone; Dehydroepiandrosterone Sulfate; Estradiol; Estriol; Estrone; Female; Humans; Liver; Pregnancy | 1984 |
Umbilical artery concentrations of androstenedione increased in early labour in the leading twin fetus.
Topics: Androstenedione; Cesarean Section; Dehydroepiandrosterone; Dehydroepiandrosterone Sulfate; Female; Fetal Blood; Humans; Labor Stage, First; Labor Stage, Second; Labor, Obstetric; Pregnancy; Pregnenolone; Progesterone; Twins | 1984 |
Steroid metabolism in corpora lutea of the western spotted skunk (Spilogale putorius latifrons).
Topics: 17-alpha-Hydroxypregnenolone; 17-alpha-Hydroxyprogesterone; 20-alpha-Dihydroprogesterone; Androstenedione; Animals; Carnivora; Corpus Luteum; Dehydroepiandrosterone; Embryo Implantation, Delayed; Estradiol; Estrone; Female; Gonadal Steroid Hormones; Hydroxyprogesterones; Mephitidae; Pregnancy; Pregnenolone; Progesterone; Testosterone | 1984 |
[Virilizing luteoma during pregnancy: biochemical diagnosis and secretory profile of the tumor].
Topics: Androstenedione; Dihydrotestosterone; Estradiol; Female; Humans; Ovarian Neoplasms; Pregnancy; Pregnancy Complications; Progesterone; Testosterone; Thecoma; Virilism | 1980 |
The development of the pituitary-adrenal axis in the guinea pig.
Topics: Adrenal Glands; Adrenocorticotropic Hormone; Androstenedione; Animals; Estrogens; Female; Fetal Blood; Gestational Age; Guinea Pigs; Hydrocortisone; In Vitro Techniques; Pituitary-Adrenal System; Pregnancy; Prostaglandins | 1980 |
In utero evidence for a functional fetoplacental unit in rhesus monkeys.
Topics: Adrenocorticotropic Hormone; Androstenedione; Animals; Dehydroepiandrosterone; Estradiol; Estrone; Female; Macaca mulatta; Maternal-Fetal Exchange; Pregnancy; Uterus | 1980 |
Steroid production and responsiveness to gonadotropin and prostaglandins of human ovarian follicles at term pregnancy.
Topics: Adult; Androstenedione; Chorionic Gonadotropin; Cyclic AMP; Estradiol; Female; Humans; Ovary; Pregnancy; Progesterone; Prostaglandins; Prostaglandins E; Prostaglandins F; Steroids | 1981 |
Transient adrenogenital syndrome due to exposure to danazol in utero.
Topics: Adrenal Hyperplasia, Congenital; Adrenocorticotropic Hormone; Androstenedione; Cortodoxone; Cosyntropin; Danazol; Female; Humans; Hydrocortisone; Hydroxyprogesterones; Infant, Newborn; Infant, Premature, Diseases; Maternal-Fetal Exchange; Pregnadienes; Pregnancy; Pregnancy Trimester, First; Renin; Testosterone | 1981 |
Effects of dibutyryl cAMP, LHRH, and aromatase inhibitor on simultaneous outputs of prostaglandin F2 alpha, and 13,14-dihydro-15-keto-prostaglandin F2 alpha by term placental explants.
Topics: Androstenedione; Aromatase Inhibitors; Bucladesine; Chorionic Gonadotropin; Culture Techniques; Dehydroepiandrosterone; Dehydroepiandrosterone Sulfate; Dinoprost; Female; Gonadotropin-Releasing Hormone; Humans; Kinetics; Lipoproteins, LDL; Placenta; Pregnancy; Prostaglandins F | 1982 |
Effects of dibutyryl adenosine 3',5'-monophosphate, luteinizing hormone-releasing hormone, and aromatase inhibitor on simultaneous outputs of progesterone, 17 beta-estradiol, and human chorionic gonadotropin by term placental explants.
Topics: Androstenedione; Bucladesine; Cholesterol; Cholesterol, LDL; Chorionic Gonadotropin; Dehydroepiandrosterone; Dehydroepiandrosterone Sulfate; Drug Synergism; Estradiol; Female; Gonadal Steroid Hormones; Gonadotropin-Releasing Hormone; Humans; Lipoproteins, LDL; Placenta; Pregnancy; Progesterone | 1982 |
Effects of environmental stress or ACTH treatment during pregnancy on maternal and fetal plasma androstenedione in the rat.
Topics: Adrenocorticotropic Hormone; Androstenedione; Animals; Birth Weight; Female; Litter Size; Male; Pregnancy; Pregnancy, Animal; Rats; Sex Differentiation; Stress, Physiological; Testis | 1982 |
Steroid modulation of pregnenolone to progesterone conversion by human placental cells in vitro.
Topics: Androstenedione; Cells, Cultured; Dehydroepiandrosterone; Dose-Response Relationship, Drug; Estrone; Female; Gonadal Steroid Hormones; Humans; In Vitro Techniques; Infant, Newborn; Microbial Collagenase; Placenta; Pregnancy; Pregnenolone; Progesterone; Steroids; Testosterone | 1983 |
ACTH control of steroid secretion from adrenal cells of the developing rhesus monkey (Macaca mulatta).
Topics: Adrenal Cortex Hormones; Adrenal Glands; Adrenocorticotropic Hormone; Age Factors; Androstenedione; Animals; Cells, Cultured; Corticosterone; Female; Hydrocortisone; Macaca mulatta; Pregnancy; Progesterone; Prostaglandins | 1984 |
Fertility of sheep given antisera to steroids during anoestrus.
Topics: Androstenedione; Animals; Corpus Luteum; Estradiol; Estrone; Estrus; Female; Fertility; Gonadotropin-Releasing Hormone; Immune Sera; Luteinizing Hormone; Ovulation; Pregnancy; Sheep; Testosterone | 1983 |
Aromatization of androstenedione by microsomes from the human placenta after gestational alcohol consumption.
Topics: Alcohol Drinking; Alcoholism; Androstenedione; Aromatase; Ethanol; Female; Humans; In Vitro Techniques; Kinetics; Microsomes; Oxidoreductases; Placenta; Pregnancy; Pregnancy Complications | 1983 |
Heterologous radioimmunoassay of fox LH: levels during the reproductive season and the anoestrus of the red fox (Vulpes vulpes L.).
Topics: Androstenedione; Anestrus; Animals; Estradiol; Estrus; Female; Foxes; Gonadotropin-Releasing Hormone; Luteinizing Hormone; Male; Pregnancy; Progesterone; Radioimmunoassay; Reproduction; Seasons | 1984 |
Changes in inhibin activity, and progesterone, oestrogen and androstenedione concentrations, in rat follicular fluid throughout the oestrous cycle.
Topics: Androstenedione; Animals; Body Fluids; Estrogens; Estrus; Female; Follicle Stimulating Hormone; Inhibins; Luteinizing Hormone; Ovarian Follicle; Pregnancy; Progesterone; Rats; Rats, Inbred Strains | 1983 |
Relationship between the preovulatory luteinizing hormone (LH) surge and androstenedione synthesis of preantral follicles in the cyclic hamster: detection by in vitro responses to LH.
Topics: Androstenedione; Animals; Cricetinae; Estradiol; Estrus; Female; Follicle Stimulating Hormone; In Vitro Techniques; Luteinizing Hormone; Ovarian Follicle; Ovulation; Phenobarbital; Pregnancy; Progesterone | 1983 |
Effect of exposure to long days on the secretion of oestradiol, oestrone, progesterone, testosterone, androstenedione, cortisol and follicle-stimulating hormone in intact and spayed ferrets.
Topics: Androstenedione; Animals; Carnivora; Castration; Estradiol; Estrone; Estrus; Female; Ferrets; Follicle Stimulating Hormone; Gonadal Steroid Hormones; Hydrocortisone; Light; Pregnancy; Progesterone; Testosterone; Time Factors | 1983 |
[Androstenedione, testosterone and epitestosterone in blood of cows during the 1st 6 months of pregnancy].
Topics: Androstenedione; Animals; Cattle; Epitestosterone; Female; Pregnancy; Pregnancy, Animal; Testosterone; Time Factors | 1983 |
Inhibition of thecal androstenedione production by exogenous progesterone in the cyclic hamster.
Topics: Androstenedione; Animals; Cells, Cultured; Cricetinae; Diestrus; Drug Implants; Estrus; Female; Follicle Stimulating Hormone; Luteinizing Hormone; Ovarian Follicle; Pregnancy; Progesterone; Theca Cells | 1984 |
Augmentation of aromatase activity by FSH in ovaries of fetal and neonatal mice in organ culture.
Topics: Androstenedione; Animals; Animals, Newborn; Aromatase; DNA Replication; Female; Follicle Stimulating Hormone; Insulin; Kinetics; Mice; Mice, Inbred Strains; Organ Culture Techniques; Ovary; Oxidoreductases; Pregnancy | 1984 |
Effect of immunoneutralization of LH releasing hormone on LH, FSH and ovarian steroid secretion in the preovulatory phase of the oestrous cycle in the ewe.
Topics: Androstenedione; Animals; Corpus Luteum; Estradiol; Estrus; Female; Follicle Stimulating Hormone; Gonadotropin-Releasing Hormone; Immune Sera; Luteinizing Hormone; Pregnancy; Secretory Rate; Sheep; Testosterone | 1984 |
Luteinizing hormone increases the number of ova shed in the cyclic hamster and guinea-pig.
Topics: Androstenedione; Animals; Cricetinae; Estradiol; Estrus; Female; Follicle Stimulating Hormone; Guinea Pigs; Hypophysectomy; Luteinizing Hormone; Mice; Ovarian Follicle; Ovulation; Pregnancy; Progesterone; Rats; Superovulation | 1984 |
Ovarian sympathectomy in the guinea pig. I. Effects on follicular development during the estrous cycle.
Topics: Adrenergic Fibers; Androstenedione; Animals; Estrus; Female; Guinea Pigs; Hydroxydopamines; Ovarian Follicle; Ovary; Oxidopamine; Pregnancy; Progesterone | 1984 |
C19 steroidal precursors of estrogens.
Topics: Androstenedione; Carbon Radioisotopes; Dehydroepiandrosterone; Estrogens; Female; Humans; Isotope Labeling; Kinetics; Microsomes; Placenta; Pregnancy; Tritium | 1980 |
The metabolism of androstenedione in human pregnancy: the use of constant infusion of unlabeled steroid to assess its metabolic clearance rate, its production rate, and its conversion into androgens and estrogens.
Topics: Adult; Androgens; Androstenedione; Dehydroepiandrosterone; Estradiol; Estrogens; Estrone; Female; Half-Life; Humans; Metabolic Clearance Rate; Pregnancy; Testosterone; Tritium | 1980 |
Studies on changes in the concentration of serum adrenal androgens in pubertal twins.
Topics: 17-Ketosteroids; Adolescent; Age Determination by Skeleton; Androstenedione; Child; Dehydroepiandrosterone; Female; Follicle Stimulating Hormone; Humans; Luteinizing Hormone; Male; Pregnancy; Prolactin; Puberty; Sex Factors; Twins; Twins, Dizygotic; Twins, Monozygotic | 1980 |
Amniotic fluid concentrations of delta 5 and delta 4 steroids in fetuses with congenital adrenal hyperplasia due to 21 hydroxylase deficiency and in anencephalic fetuses.
Topics: 17-alpha-Hydroxypregnenolone; Adrenal Hyperplasia, Congenital; Amniotic Fluid; Androstenedione; Anencephaly; Dehydroepiandrosterone; Female; Fetus; Gestational Age; Humans; Hydroxyprogesterones; Male; Pregnancy; Steroid Hydroxylases; Testosterone | 1980 |
Urinary testosterone-17 beta-glucuronide as an indicator of androgen output in mice.
Topics: Androstenedione; Animals; Chorionic Gonadotropin; Dehydroepiandrosterone; Female; Gonadotropins, Equine; Mice; Pregnancy; Radioimmunoassay; Superovulation; Testosterone | 1980 |
Oestrogen production by blastocyst and early embryonic tissue of various species.
Topics: Androstenedione; Animals; Aromatase; Blastocyst; Cats; Cattle; Deer; Dehydroepiandrosterone; Embryo Implantation; Estrogens; Female; Ferrets; Pregnancy; Rabbits; Rodentia; Sheep; Swine; Trophoblasts | 1980 |
Steroid metabolism in the yolk sac placenta and endometrium of the tammar wallaby, Macropus eugenii.
Topics: Androstenedione; Animals; Dehydroepiandrosterone; Endometrium; Estrogens; Female; In Vitro Techniques; Macropodidae; Marsupialia; Organ Size; Pregnancy; Pregnenolone; Progesterone; Testosterone; Yolk Sac | 1980 |
Lack of relationship between prolactin and adrenal steroidogenesis in the ovine fetus.
Topics: Adrenal Cortex Hormones; Androstenedione; Animals; Bromocriptine; Chromatography, Ion Exchange; Dehydroepiandrosterone; Dehydroepiandrosterone Sulfate; Female; Fetal Blood; Fetus; Hydrocortisone; Pregnancy; Prolactin; Radioimmunoassay; Sheep | 1981 |
Oestrogen biosynthesis in the pregnant mare.
Topics: Acetates; Alkenes; Androstenedione; Animals; Chemical Phenomena; Chemistry; Cholesterol; Dehydroepiandrosterone; Equilin; Estrogens; Farnesol; Female; Hemiterpenes; Horses; Maternal-Fetal Exchange; Mevalonic Acid; Organophosphorus Compounds; Polyisoprenyl Phosphates; Pregnancy; Pregnancy, Animal; Sesquiterpenes; Squalene; Tyrosine | 1981 |
Steroid metabolism in pregnant hamster. II. The metabolism of androgens by the hamster placenta.
Topics: Androgens; Androstenedione; Animals; Cricetinae; Dehydroepiandrosterone; Etiocholanolone; Female; Gestational Age; In Vitro Techniques; Mesocricetus; Placenta; Pregnancy; Pregnancy, Animal; Testosterone | 1981 |
DHEA-S-loading test in cases of intrauterine growth retardation: relationship between the pattern of the maternal plasma metabolites and the fetoplacental dysfunction.
Topics: Androstenedione; Dehydroepiandrosterone; Estradiol; Estrogens; Estrone; Female; Fetal Growth Retardation; Half-Life; Humans; Infant, Newborn; Infant, Small for Gestational Age; Placental Function Tests; Placental Insufficiency; Pregnancy; Prenatal Diagnosis; Testosterone | 1981 |
[Hyperprolactinemia and adrenal androgens].
Topics: Adrenal Cortex Hormones; Amenorrhea; Androstenedione; Bromocriptine; Dehydroepiandrosterone; Female; Galactorrhea; Humans; Hydrocortisone; Lactation Disorders; Pregnancy; Prolactin; Testosterone | 1980 |
[The level of testosterone, delta 4-androstenedione, and S-DHA in liquor and fetal sex (author's transl)].
Topics: Amniotic Fluid; Androgens; Androstenedione; Dehydroepiandrosterone; Dehydroepiandrosterone Sulfate; Female; Fetus; Humans; Male; Pregnancy; Pregnancy Trimester, Second; Sex Determination Analysis; Testosterone | 1981 |
In vitro aromatization of androgens into estrogens in placental insufficiency.
Topics: Androgens; Androstenedione; Dehydroepiandrosterone; Dehydroepiandrosterone Sulfate; Estradiol; Estrogens; Estrone; Female; Humans; In Vitro Techniques; Infant, Newborn; Infant, Small for Gestational Age; Placenta; Placenta Diseases; Placental Insufficiency; Pregnancy; Testosterone | 1982 |
Steroid metabolism in the rat visceral yolk sac during pregnancy.
Topics: Androstenedione; Animals; Dehydroepiandrosterone; Estradiol; Female; Gestational Age; Gonadal Steroid Hormones; NAD; NADP; Pregnancy; Pregnancy, Animal; Progesterone; Progestins; Rats; Testosterone; Yolk Sac | 1982 |
Metabolism of C19-delta 5-3 beta-hydroxysteroids in the term human amnion.
Topics: Amnion; Androstenediols; Androstenedione; Dehydroepiandrosterone; Epithelium; Female; Humans; Male; Pregnancy; Pregnancy Trimester, Third; Sex Factors; Testosterone | 1982 |
Inhibition of human estrogen synthetase (aromatase) by flavones.
Topics: Androstenedione; Aromatase Inhibitors; Benzoflavones; beta-Naphthoflavone; Binding Sites; Binding, Competitive; Female; Flavonoids; Humans; Kinetics; Microsomes; Ovary; Oxidoreductases; Placenta; Pregnancy; Testosterone | 1984 |
Aromatization of androstenedione to estrogen by human fetal tissues in vitro.
Topics: Androstenedione; Aromatase; Estradiol; Estrone; Female; Fetus; Gastric Mucosa; Humans; In Vitro Techniques; Intestine, Small; Kidney; Liver; Lung; Oxidoreductases; Pregnancy | 1984 |
Hydroperoxides as inactivators of aromatase: 10 beta-hydroperoxy-4-estrene-3,17-dione, crystal structure and inactivation characteristics.
Topics: Androstenedione; Aromatase Inhibitors; Benzene Derivatives; Binding, Competitive; Chemical Phenomena; Chemistry; Estrenes; Female; Heme; Humans; Hydrogen Peroxide; Kinetics; Microsomes; NADP; Oxidoreductases; Placenta; Pregnancy; X-Ray Diffraction | 1984 |
Induction of implantation by aromatase inhibitors in ovariectomized mice.
Topics: Androstatrienes; Androstenedione; Animals; Aromatase Inhibitors; Castration; Embryo Implantation; Female; Mice; Mice, Inbred Strains; Oxidoreductases; Pregnancy; Progesterone; Testosterone | 1984 |
Increasing lambing rates with ovandrotone-albumin.
Topics: Androstenedione; Animals; Female; Litter Size; Ovulation; Pregnancy; Reproduction; Serum Albumin; Sheep | 1984 |
Regulation of brain aromatase activity in rats.
Topics: Androstenedione; Animals; Aromatase; Brain; Castration; Estrus; Female; Kinetics; Oxidoreductases; Pregnancy; Rats; Rats, Inbred Strains; Tritium | 1984 |
Temporal relationships between hormonal concentrations and the electrical resistance of the vaginal tract of blue foxes (Alopex lagopus) at pro-oestrus and oestrus.
Topics: Androstenedione; Animals; Electric Conductivity; Estradiol; Estrus; Female; Foxes; Gonadal Steroid Hormones; Luteinizing Hormone; Pregnancy; Proestrus; Progesterone; Sexual Behavior, Animal; Testosterone; Vagina | 1984 |
Seasonal differences in ovarian activity in cows.
Topics: Androstenedione; Animals; Aromatase; Cattle; Corpus Luteum; Estradiol; Estrus; Female; Granulosa Cells; Luteinizing Hormone; Ovarian Follicle; Ovary; Pregnancy; Prolactin; Seasons; Theca Cells | 1984 |
Time-dependent inhibition of aromatase in trophoblastic tumor cells in tissue culture.
Topics: Androstenedione; Aromatase Inhibitors; Cell Line; Choriocarcinoma; Estrogens; Female; Humans; Kinetics; Oxidoreductases; Pargyline; Pregnancy; Uterine Neoplasms | 1984 |
Some aspects of thecal and granulosa cell function during follicular development in the bovine ovary.
Topics: Androstenedione; Animals; Aromatase; Body Fluids; Cattle; Estradiol; Estrus; Female; Granulosa Cells; Luteinizing Hormone; Ovarian Follicle; Pregnancy; Progesterone; Testosterone; Theca Cells | 1984 |
Synthesis and evaluation of 19-aza- and 19-aminoandrostenedione analogues as potential aromatase inhibitors.
Topics: Androstenedione; Aromatase Inhibitors; Estrenes; Female; Humans; Kinetics; Microsomes; Oxidoreductases; Placenta; Pregnancy | 1984 |
[Biochemical analysis of metabolic processes of the oocyte and preimplantation embryos during fertilization and implantation].
Topics: 3-Hydroxysteroid Dehydrogenases; Androstenedione; Animals; Arachidonic Acids; Embryonic Development; Female; Fertilization; Humans; Mice; Mice, Inbred ICR; Oocytes; Plasminogen Activators; Pregnancy; Pregnenolone; Rabbits; Rats; Rats, Inbred Strains | 1984 |
Methyltrienolone (R1881) is not aromatized by placental microsomes or rat hypothalamic homogenates.
Topics: Androstenedione; Animals; Aromatase; Brain; Estrenes; Female; Humans; Hypothalamus; Metribolone; Microsomes; Placenta; Pregnancy; Rats; Testosterone | 1984 |
Midpregnancy elevation of serum androstenedione levels in the C3H/HeN mouse: placental origin.
Topics: Androstenedione; Animals; Castration; Female; Fetus; Gestational Age; Mice; Mice, Inbred C3H; Placenta; Pregnancy; Pregnancy, Animal; Testosterone; Uterus; Veins | 1983 |
Synthesis and properties of the epimeric 6-hydroperoxyandrostenediones, new substrates/inhibitors of human placental aromatase.
Topics: Androstenedione; Aromatase Inhibitors; Chromatography, High Pressure Liquid; Female; Humans; Kinetics; Magnetic Resonance Spectroscopy; Mass Spectrometry; Oxidoreductases; Placenta; Pregnancy; Stereoisomerism; Structure-Activity Relationship; Substrate Specificity; Tritium | 1983 |
Reproductive effects of immunizing heifers against androstenedione and oestradiol-17 beta.
Topics: Androstenedione; Animals; Cattle; Estradiol; Female; Fertility; Immune Sera; Immunization; Organ Size; Ovary; Ovulation; Pregnancy; Progesterone; Reproduction; Twins | 1983 |
Androstenedione, testosterone, and estradiol concentrations in fetal and maternal plasma in late pregnancy in the sheep.
Topics: Androstenedione; Animals; Cosyntropin; Estradiol; Female; Fetal Blood; Gestational Age; Labor, Obstetric; Pregnancy; Pregnancy, Animal; Sheep; Testosterone | 1983 |
Novel method of evaluating biological 19-hydroxylation and aromatization of androgens.
Topics: Androgens; Androstenedione; Animals; Aromatase; Female; Humans; Liver; Microsomes; Oxidoreductases; Placenta; Pregnancy; Rats; Steroid Hydroxylases | 1983 |
Extraction and separation of androstenedione from products of aromatase assays on micro-columns of magnesium oxide.
Topics: Androstenedione; Animals; Aromatase; Brain Chemistry; Estrone; Female; Humans; Magnesium Oxide; Nerve Tissue; Oxidoreductases; Pregnancy; Sheep | 1983 |
Studies on the mechanism of action of the aromatase inhibitor, 4-hydroxyandrostenedione.
Topics: Androstenedione; Aromatase Inhibitors; Female; Humans; Microsomes; Oxidoreductases; Placenta; Pregnancy | 1983 |
The effect of clomid induced superovulation on human follicular and luteal function for extracorporeal fertilization and embryo transfer.
Topics: Adult; Androstenedione; Body Fluids; Clomiphene; Corpus Luteum; Embryo Transfer; Estradiol; Female; Fertilization in Vitro; Humans; Menstruation; Ovarian Follicle; Ovulation; Ovulation Induction; Pregnancy; Progesterone; Superovulation; Testosterone | 1983 |
Plasma levels of luteinizing hormone, estradiol and androstenedione in sows with inadequate plasma progesterone.
Topics: Androstenedione; Animals; Estradiol; Estrus; Female; Luteinizing Hormone; Pregnancy; Progesterone; Radioimmunoassay; Swine; Time Factors | 1983 |
Alterations in the androgen metabolism of the female guinea-pig during pregnancy.
Topics: Androgens; Androstenedione; Animals; Dihydrotestosterone; Female; Guinea Pigs; Pregnancy; Pregnancy, Animal; Progesterone-Binding Globulin; Testosterone | 1983 |
Androstenedione and testosterone concentrations in plasma and milk of the cow throughout pregnancy.
Topics: Androstenedione; Animals; Cattle; Female; Milk; Pregnancy; Pregnancy, Animal; Testosterone | 1984 |
In vitro follicular and luteal steroidogenesis in the pregnant hamster with preliminary studies in the rat.
Topics: Androstenedione; Animals; Corpus Luteum; Cricetinae; Culture Media; Estradiol; Female; Hydroxyprogesterones; In Vitro Techniques; Ovarian Follicle; Pregnancy; Pregnancy, Animal; Proestrus; Progesterone; Rats; Species Specificity | 1984 |
De novo biosynthesis of 6 beta-hydroperoxyandrostenedione in human placental microsomes.
Topics: Androstenedione; Carbon Monoxide; Chromatography, High Pressure Liquid; Female; Humans; Hydroxymercuribenzoates; Kinetics; Microsomes; NADP; Oxygen; Placenta; Pregnancy | 1984 |
Study of the role of Schiff base formation in the aromatization of 3-[18O]testosterone and 3,17-di-[18O]androstenedione by human placental aromatase.
Topics: Androstenedione; Aromatase; Female; Humans; Isotope Labeling; Kinetics; Microsomes; Oxidoreductases; Oxygen Isotopes; Placenta; Pregnancy; Schiff Bases; Testosterone | 1984 |
Metabolism of [4-14C]androstenedione by cells cultured from human amniotic fluid.
Topics: Amniotic Fluid; Androstenedione; Carbon Radioisotopes; Cells, Cultured; Female; Fibroblasts; Humans; Pregnancy; Skin | 1984 |
Relative distribution of estrone, estradiol and estriol between fetal and maternal perfusates during perfusions of human term placentas with labelled C19 precursors.
Topics: Androstenedione; Estradiol; Estriol; Estrone; Ethinyl Estradiol; Female; Humans; In Vitro Techniques; Perfusion; Placenta; Pregnancy; Time Factors; Tissue Distribution | 1984 |
Testosterone, 17 beta-hydroxy-5 alpha-androstan-3-one and 4-androstene-3, 17-dione in the plasma of male and female grey squirrels (Sciurus carolinensis).
Topics: Androstenedione; Animals; Castration; Chromatography, High Pressure Liquid; Dihydrotestosterone; Estrus; Female; Male; Pregnancy; Sciuridae; Sexual Maturation; Testosterone | 1984 |
[Androgens as factors of placental growth].
Topics: Androstenedione; Animals; Female; Fetus; Growth; Growth Substances; Organ Size; Placenta; Pregnancy; Rats; Rats, Inbred Strains; Testosterone | 1984 |
Immunisation of ewes with polyandroalbumin to improve fecundity.
Topics: Androstenedione; Animals; Female; Fertility; Haptens; Immunization; Pregnancy; Pregnancy, Animal; Serum Albumin; Sheep | 1984 |
Additive effects of aminoglutethimide, testololactone, and 4-hydroxyandrostenedione as inhibitors of aromatase.
Topics: Aminoglutethimide; Androstenedione; Aromatase Inhibitors; Female; Humans; Kinetics; Microsomes; Oxidoreductases; Placenta; Pregnancy; Substrate Specificity; Testolactone; Testosterone Congeners | 1984 |
Sex steroids in the umbilical circulation of fetal rhesus monkeys from the time of gonadal differentiation.
Topics: Androgens; Androstenedione; Animals; Dihydrotestosterone; Estradiol; Estrogens; Estrone; Female; Fetal Blood; Fetus; Haplorhini; Hydrocortisone; Hydroxyprogesterones; Macaca mulatta; Male; Pregnancy; Progesterone; Sex Factors; Testosterone | 1980 |
The source of follicular androgens in the hamster follicle.
Topics: Androgens; Androstenedione; Animals; Cricetinae; Dihydrotestosterone; Female; Follicle Stimulating Hormone; Granulosa Cells; Hydroxyprogesterones; Luteinizing Hormone; Mesocricetus; Ovarian Follicle; Pregnancy; Proestrus; Progesterone | 1980 |
Estrogen synthetase. Effect of sulfhydryl reactive reagents on androgen aromatization by human term placental microsomes.
Topics: Androstenedione; Animals; Aromatase Inhibitors; Female; Humans; In Vitro Techniques; Microsomes; NADP; NADPH-Ferrihemoprotein Reductase; Oxidoreductases; Placenta; Pregnancy; Rabbits; Rats; Sulfhydryl Reagents | 1980 |
The clinical and biochemical features in 26 patients with prolactinoma before and after transsphenoidal microresection.
Topics: Adenoma; Adolescent; Adult; Androstenedione; Estradiol; Female; Follicle Stimulating Hormone; Follow-Up Studies; Humans; Luteinizing Hormone; Male; Microsurgery; Pituitary Neoplasms; Pregnancy; Prognosis; Prolactin; Testosterone | 1980 |
Changes in the concentration of gonadotropic and steroidal hormones in the antral fluid of ovarian follicle throughout the oestrous cycle of the sheep.
Topics: Androstenedione; Animals; Estradiol; Estrus; Female; Follicle Stimulating Hormone; Gonadal Steroid Hormones; Gonadotropins, Pituitary; Luteinizing Hormone; Ovarian Follicle; Pregnancy; Progesterone; Prolactin; Sheep | 1981 |
Androgenic response in anovulatory women during menotropins stimulation.
Topics: Androstenedione; Anovulation; Estradiol; Female; Fertilization; Humans; Menotropins; Ovary; Polycystic Ovary Syndrome; Pregnancy; Stimulation, Chemical; Testosterone | 1981 |
Divergent effects of prolactin on estrogen and progesterone production by granulosa cells of rat Graafian follicles.
Topics: Androstenedione; Animals; Cells, Cultured; Dose-Response Relationship, Drug; Drug Interactions; Estradiol; Female; Follicle Stimulating Hormone; Granulosa Cells; Luteinizing Hormone; Pregnancy; Proestrus; Progesterone; Prolactin; Rats; Rats, Inbred Strains | 1982 |
Plasma androgens during early pregnancy in the baboon (Papio cynocephalus).
Topics: Androgens; Androstenedione; Animals; Chorionic Gonadotropin; Female; Papio; Placenta; Pregnancy; Pregnancy, Animal; Progesterone; Testosterone | 1983 |
Plasma androgen patterns during delayed implantation in the European badger (Meles meles L.).
Topics: Androstenedione; Animals; Carnivora; Castration; Embryo Implantation; Embryo Implantation, Delayed; Estradiol; Female; Pregnancy; Progesterone; Seasons; Testosterone | 1983 |
Steroid metabolism by the bovine uterine endometrium and conceptus.
Topics: Androstenedione; Animals; Cattle; Embryo, Mammalian; Endometrium; Female; In Vitro Techniques; Pregnancy; Progesterone | 1983 |
Effects of the embryo upon endometrial estrogen synthesis in the rabbit.
Topics: Androstenedione; Animals; Blastocyst; Embryo, Mammalian; Endometrium; Estrogens; Female; Pregnancy; Progesterone; Rabbits | 1983 |
Estrogen synthesis and metabolism in the hamster blastocyst, uterus and liver near the time of implantation.
Topics: 2-Methoxyestradiol; Androstenedione; Animals; Aromatase; Blastocyst; Cricetinae; Endometrium; Estradiol; Estrogens; Female; In Vitro Techniques; Liver; Mesocricetus; Microsomes; Myometrium; Pregnancy; Testosterone; Uterus | 1983 |
Hormones and the sexuality of women--the menstrual cycle.
Topics: Androstenedione; Animals; Contraceptives, Oral; Estrus; Female; Gonadal Steroid Hormones; Humans; Libido; Menstruation; Pregnancy; Progesterone; Sexual Behavior; Testosterone | 1982 |
Steroid aromatization by term human fetal membranes.
Topics: 17-Hydroxysteroid Dehydrogenases; Amnion; Androstenedione; Aromatase; Chorion; Estradiol; Estrogens; Estrone; Female; Humans; Oxidoreductases; Placenta; Pregnancy | 1981 |
Inactivation of human placental 17 beta-estradiol dehydrogenase and 20 alpha-hydroxysteroid dehydrogenase with active site-directed 17 beta-propynyl-substituted progestin analogs.
Topics: 17-Hydroxysteroid Dehydrogenases; 20-Hydroxysteroid Dehydrogenases; Androstenedione; Androstenols; Binding Sites; Estradiol Dehydrogenases; Female; Humans; Kinetics; Placenta; Pregnancy; Structure-Activity Relationship; Substrate Specificity | 1982 |
Studies on oestrogen synthesis by the preimplantation equine conceptus.
Topics: Allantoin; Androstenedione; Animals; Blastocyst; Chorion; Estradiol; Estrogens; Estrone; Female; Horses; Kinetics; Organ Size; Pregnancy; Tritium; Yolk Sac | 1982 |
Kinetic studies of the applicability of the common site concept to the 3 beta-hydroxysteroid dehydrogenase: 5-ene-3-ketosteroid isomerase activities of human placental microsomes.
Topics: 3-Hydroxysteroid Dehydrogenases; Androstenedione; Binding Sites; Female; Humans; Hydrogen Peroxide; Isomerases; Kinetics; Microsomes; Placenta; Pregnancy; Pregnenolone; Steroid Isomerases | 1982 |
Activation by corticosteroids of steriod metabolizing enzymes in ovine placental explans in vitro.
Topics: Androstenedione; Animals; Culture Techniques; Enzyme Activation; Female; Hydrocortisone; Placenta; Pregnancy; Progesterone; Sheep; Steroid 17-alpha-Hydroxylase | 1980 |
High-affinity steroid binding to rat testis 17 alpha-hydroxylase and human placental aromatase.
Topics: Androstenedione; Animals; Aromatase; Cytochrome P-450 Enzyme System; Danazol; Female; Humans; Kinetics; Male; Microsomes; Oxidoreductases; Placenta; Pregnancy; Progesterone; Rats; Spectrum Analysis; Steroid 17-alpha-Hydroxylase; Steroid Hydroxylases; Testis | 1981 |
17-Hydroxyprogesterone metabolism in the monkey fetal adrenal: C17-20lyase and 21-hydroxylase activities.
Topics: Adrenal Glands; Aldehyde-Lyases; Androstenedione; Animals; Female; Hydroxyprogesterones; Kinetics; Macaca; Macaca mulatta; NADP; Pregnancy; Steroid 17-alpha-Hydroxylase; Steroid 21-Hydroxylase; Steroid Hydroxylases | 1981 |
[Ovarian activity during the season of reproduction and during anestrus in the fox (Vulpes vulpes L.)].
Topics: Androstenedione; Anestrus; Animals; Estradiol; Estrus; Female; Foxes; Ovary; Pregnancy; Progesterone; Testosterone | 1980 |
The effects of gonadectomy and testosterone treatment on luteinizing hormone secretion in fetal rhesus monkeys.
Topics: Androstenedione; Animals; Castration; Dihydrotestosterone; Estradiol; Estrone; Female; Fetus; Kinetics; Leydig Cells; Luteinizing Hormone; Macaca mulatta; Male; Pregnancy; Testosterone | 1982 |
Effects of delayed ovulation on pregnancy in the PMSG-treated immature rat.
Topics: Androstenedione; Animals; Blastocyst; Embryo Implantation; Estradiol; Female; Gonadotropins, Equine; Ovulation; Phenobarbital; Pregnancy; Pregnancy, Animal; Progesterone; Rats; Sexual Maturation | 1982 |
Effects of progesterone, oestradiol-17 beta and androstenedione on follicular growth after removal of the corpus luteum during lactational and seasonal quiescence in the tammar wallaby.
Topics: Acclimatization; Androstenedione; Animals; Corpus Luteum; Estradiol; Female; Lactation; Macropodidae; Marsupialia; Ovarian Follicle; Pregnancy; Progesterone; Seasons; Uterus | 1982 |
Aromatization of 15 alpha and 16 alpha hydroxylated androgens in the human placental using [1,2-3H]-substrates.
Topics: Androgens; Androstenedione; Aromatase; Estetrol; Female; Humans; Hydroxylation; In Vitro Techniques; Placenta; Pregnancy; Testosterone | 1982 |
Overview of recent development of aromatase inhibitors.
Topics: Aminoglutethimide; Androstatrienes; Androstenedione; Animals; Aromatase Inhibitors; Breast Neoplasms; Female; Humans; In Vitro Techniques; Macaca mulatta; Male; Oxidoreductases; Pregnancy; Rats | 1982 |
Substituted C19 steroid analogs as inhibitors of aromatase.
Topics: Androstenedione; Aromatase Inhibitors; Estrogens; Female; Humans; Kinetics; Microsomes; Oxidoreductases; Placenta; Pregnancy | 1982 |
A new hypothesis based on suicide substrate inhibitor studies for the mechanism of action of aromatase.
Topics: Androstadienes; Androstatrienes; Androstenedione; Androstenes; Aromatase Inhibitors; Breast Neoplasms; Estrogens; Female; Humans; Kinetics; Microsomes; Oxidoreductases; Placenta; Pregnancy; Structure-Activity Relationship; Testolactone | 1982 |
Inhibition and inactivation of estrogen synthetase (aromatase) by fluorinated substrate analogues.
Topics: Androstenedione; Aromatase Inhibitors; Chemical Phenomena; Chemistry; Female; Humans; Kinetics; Magnetic Resonance Spectroscopy; Microsomes; Oxidoreductases; Placenta; Pregnancy; Time Factors | 1982 |
Fetal androgens and sexual mimicry in spotted hyaenas (Crocuta crocuta).
Topics: Adrenal Glands; Androgens; Androstenedione; Animals; Carnivora; Female; Fetus; Genitalia; Gonads; Male; Pregnancy; Sex Differentiation; Testosterone | 1982 |
Successful fertilisation of human oocytes in vitro: concentration of estradiol-17 beta, progesterone and androstenedione in the antral fluid of donor follicles.
Topics: Androstenedione; Body Fluids; Embryo Transfer; Estradiol; Female; Fertilization in Vitro; Humans; Oocytes; Ovarian Follicle; Ovum; Pregnancy; Progesterone | 1982 |
New aromatase assay and its application for inhibitory studies of aminoglutethimide on microsomes of human term placenta.
Topics: Aminoglutethimide; Androstenedione; Aromatase; Female; Humans; Kinetics; Microsomes; Oxidoreductases; Placenta; Pregnancy | 1982 |
Aromatase enzyme catalysis is involved in the potent inhibition of estrogen biosynthesis caused by 4-acetoxy- and 4-hydroxy-4-androstene-3, 17-dione.
Topics: Androstenedione; Aromatase Inhibitors; Catalysis; Estrogens; Female; Humans; In Vitro Techniques; Kinetics; Microsomes; Oxidoreductases; Placenta; Pregnancy; Time Factors | 1982 |
Asymmetric release of estrone and estradiol derived from labeled precursors in perfused human placentas.
Topics: Androstenedione; Estradiol; Estrone; Ethinyl Estradiol; Female; Humans; Perfusion; Placenta; Pregnancy; Testosterone | 1982 |
A study of 5 alpha-reductase in human fetal brain.
Topics: 3-Oxo-5-alpha-Steroid 4-Dehydrogenase; Androstenedione; Brain; Female; Fetus; Humans; Oxidoreductases; Placenta; Pregnancy; Progesterone; Steroids; Substrate Specificity | 1982 |
Improvement of sheep fecundity by treatment with antisera to gonadal steroids.
Topics: Androstenedione; Animals; Estradiol; Estrone; Estrus; Female; Fertility; Immune Sera; Immunization, Passive; Ovulation; Pregnancy; Sheep; Testosterone | 1982 |
[Blood levels of steroid hormones during the estrous cycle and pregnancy in the rat].
Topics: Androstenedione; Animals; Estradiol; Estrone; Estrus; Female; Gonadal Steroid Hormones; Pregnancy; Pregnancy, Animal; Progesterone; Rats; Rats, Inbred Strains | 1982 |
[Effect of 17 beta-estradiol on the biosynthesis of steroid hormones in the rat placenta].
Topics: Androstenedione; Animals; Culture Techniques; Depression, Chemical; Estradiol; Estradiol Congeners; Female; Hormones, Ectopic; Placenta; Pregnancy; Progesterone; Rats; Rats, Inbred Strains | 1982 |
A photoaffinity inhibitor of aromatase.
Topics: Affinity Labels; Androstenedione; Aromatase; Aromatase Inhibitors; Female; Humans; Kinetics; Mass Spectrometry; Microsomes; Oxidoreductases; Placenta; Pregnancy; Structure-Activity Relationship; Ultraviolet Rays | 1982 |
Ovarian morphology and the concentration of steroids during the oestrus cycle of sheep actively immunized against androstenedione.
Topics: Androstenedione; Animals; Body Fluids; Estrus; Female; Gonadal Steroid Hormones; Immunization; Organ Size; Ovarian Follicle; Ovary; Ovulation; Pregnancy; Protein Binding; Sheep | 1980 |
[In vitro aromatization of androgens in the presence of testosterone binding proteins from human placenta or serum].
Topics: Androstenedione; Estradiol; Estrone; Female; Humans; Microsomes; NADP; Placenta; Pregnancy; Sex Hormone-Binding Globulin; Testosterone | 1980 |
Ovarian function in the ewe after active immunization against testosterone.
Topics: Androstenedione; Animals; Antibody Formation; Estradiol; Estrus; Female; Ovarian Follicle; Ovary; Ovulation; Pregnancy; Progesterone; Sheep; Testosterone | 1981 |
Alterations of ovarian steroidogenesis induced by ovulatory delay in immature rats treated with pregnant mare serum gonadotropin.
Topics: Aging; Androstenedione; Animals; Estradiol; Female; Gonadotropins, Equine; Kinetics; Luteinizing Hormone; Ovary; Ovulation; Phenobarbital; Pregnancy; Proestrus; Progesterone; Rats; Rats, Inbred Strains | 1982 |
Theca is the source of progesterone in experimentally induced atretic follicles of the hamster.
Topics: Androstenedione; Animals; Aromatase; Cricetinae; Dose-Response Relationship, Drug; Estradiol; Female; Granulosa Cells; Ovarian Diseases; Ovarian Follicle; Ovulation; Pregnancy; Proestrus; Progesterone; Theca Cells; Time Factors | 1982 |
Ascorbic acid inhibition of aromatase activity in human placenta tissue.
Topics: Androstenedione; Aromatase Inhibitors; Ascorbic Acid; Female; Humans; Hydrogen-Ion Concentration; Microsomes; NADP; Oxidoreductases; Oxygen Consumption; Placenta; Pregnancy | 1981 |
Mechanism of estrogen biosynthesis. Participation of multiple enzyme sites in placental aromatase hydroxylations.
Topics: Androstenedione; Aromatase; Binding Sites; Estrogens; Female; Humans; Hydroxylation; Kinetics; Oxidoreductases; Placenta; Pregnancy; Protein Binding; Structure-Activity Relationship; Substrate Specificity | 1981 |
Plasma levels of androstenedione, epitestosterone, testosterone and oestrogens in cows at parturition.
Topics: Androstenedione; Animals; Cattle; Epitestosterone; Estrogens; Female; Labor, Obstetric; Pregnancy; Testosterone | 1981 |
Protein, prostaglandin and steroid synthesis in caruncular and intercaruncular endometrium of sheep before implantation.
Topics: Acid Phosphatase; Androstenedione; Animals; Blastocyst; Castration; Embryonic Development; Endometrium; Estradiol; Estrone; Female; Glucuronidase; Pregnancy; Progesterone; Prostaglandins F; Protein Biosynthesis; Sheep | 1981 |
Biochemical studies of intrauterine components of the tammar wallaby Macropus eugenii during pregnancy.
Topics: Androstenedione; Animals; Blastocyst; Calcium; Endometrium; Female; Macropodidae; Marsupialia; Pregnancy; Pregnancy, Animal; Progesterone; Proteins; Uridine; Uterus; Zinc | 1981 |
Oestrogen synthesis by bovine foetal placenta at normal parturition.
Topics: Androstenedione; Animals; Cattle; Culture Techniques; Estradiol; Estrogens; Estrone; Female; Labor, Induced; Labor, Obstetric; Placenta; Pregnancy; Pregnenolone | 1981 |
In vitro oestrogen synthesis by bovine placenta during pregnancy and induced parturition.
Topics: Androstenedione; Animals; Cattle; Culture Techniques; Estradiol; Estrogens; Estrone; Female; Labor, Induced; Placenta; Pregnancy; Pregnenolone | 1981 |
Quantitative requirements for NADPH in the support of aromatization by human placental microsomes.
Topics: Androstenedione; Aromatase; Female; Glucosephosphate Dehydrogenase; Humans; Kinetics; Microsomes; NADP; Oxidoreductases; Placenta; Pregnancy | 1981 |
Cooperative interaction of reduced pyridine nucleotides with estrogen synthetase of human placental microsomes.
Topics: Androstenedione; Aromatase; Dose-Response Relationship, Drug; Drug Synergism; Enzyme Activation; Estradiol; Estrone; Female; Humans; Kinetics; Microsomes; NAD; NADP; Oxidoreductases; Placenta; Pregnancy | 1981 |
Placental clearance rate of maternal plasma androstenedione through placental estradiol formation: an indirect method of assessing uteroplacental blood flow.
Topics: Androstenedione; Body Weight; Estradiol; Female; Humans; Maternal-Fetal Exchange; Metabolic Clearance Rate; Placenta; Postpartum Period; Pregnancy; Pregnancy Trimester, Third; Pregnancy, Multiple; Regional Blood Flow; Twins; Uterus | 1981 |
Identification of steroids produced by bovine chorion incubated with [14C]androstenedione.
Topics: Androgens; Androstenedione; Animals; Cattle; Chorion; Culture Techniques; Estradiol; Estrone; Etiocholanolone; Female; Pregnancy | 1981 |
Inactivation of aromatase in vitro by 4-hydroxy-4-androstene-3,17-dione and 4-acetoxy-4-androstene-3,17-dione and sustained effects in vivo.
Topics: Androstenedione; Animals; Aromatase Inhibitors; Cell-Free System; Female; Humans; Microsomes; Ovary; Oxidoreductases; Placenta; Pregnancy; Rats; Time Factors | 1981 |
[Correlation between blood concentrations of E2, P, T, A and HCS in induction of abortion in trimester II and ultrasonic monitoring].
Topics: Abortion, Induced; Adult; Amnion; Androstenedione; Estradiol; Female; Fetal Monitoring; Humans; Injections; Pregnancy; Progesterone; Prostaglandins F, Synthetic; Radioimmunoassay; Testosterone; Ultrasonography | 1980 |
Estimation of oestrone sulphate in the serum of pregnant sows.
Topics: Androstenedione; Animals; Estrone; Female; Pregnancy; Pregnancy, Animal; Radioimmunoassay; Swine | 1980 |
Interactions of endogenous and exogenous estrogenic compounds with human placental microsomal cytochrome P-450 (P-450hpm).
Topics: Androstenedione; Animals; Aryl Hydrocarbon Hydroxylases; Cytochrome P-450 Enzyme System; Estradiol; Estriol; Estrogens; Estrone; Female; Humans; Microsomes; Microsomes, Liver; Placenta; Pregnancy; Rats; Spectrophotometry; Steroids | 1980 |
Prenatal diagnosis of congenital adrenal hyperplasia.
Topics: Adrenal Hyperplasia, Congenital; Adult; Amniocentesis; Amniotic Fluid; Androstenedione; Diseases in Twins; Female; Humans; Hydroxyprogesterones; Karyotyping; Male; Mixed Function Oxygenases; Pregnancy; Prenatal Diagnosis; Virilism | 1980 |
Effect of methadone treatment during pregnancy on the fetal testes and hypothalamus in rats.
Topics: Androstenedione; Animals; Female; Fetal Blood; Fetus; Hypothalamus; Male; Methadone; Naloxone; Pregnancy; Pregnancy, Animal; Rats; Testis; Testosterone | 1980 |
Steroid metabolism by the early bovine conceptus-I. 5 beta-Reduction of neutral C19-steroids.
Topics: Androstenedione; Animals; Blastocyst; Cattle; Dihydrotestosterone; Embryo, Mammalian; Estradiol; Estrone; Etiocholanolone; Female; Oxidation-Reduction; Pregnancy; Steroids; Swine; Testosterone; Trophoblasts | 1980 |
Mechanistic and stereochemical studies on 3-oxo steroid delta 4-delta 5-isomerase from human placenta.
Topics: Androstenediol; Androstenedione; Female; Humans; In Vitro Techniques; Isomerases; Isomerism; Microsomes; Placenta; Pregnancy; Steroid Isomerases | 1980 |
Maternal plasma androgens in early human pregnancy.
Topics: Abortion, Spontaneous; Adult; Androstenedione; Dihydrotestosterone; Female; Fetus; Humans; Pregnancy; Pregnancy Trimester, First; Pregnancy, Multiple; Progesterone Congeners; Sex Factors; Testosterone | 1980 |
10 beta-propynyl-substituted steroids. Mechanism-based enzyme-activated irreversible inhibitors of estrogen biosynthesis.
Topics: Alkynes; Androstenedione; Aromatase Inhibitors; Binding, Competitive; Estrenes; Female; Humans; Kinetics; Microsomes; Oxidoreductases; Placenta; Pregnancy; Structure-Activity Relationship | 1981 |
Kinetic properties of steroid 19-hydroxylase and estrogen synthetase from porcine ovary microsomes.
Topics: Androstenedione; Animals; Aromatase; Female; Kinetics; Mice; Microsomes; Organ Specificity; Ovary; Oxidoreductases; Placenta; Pregnancy; Steroid Hydroxylases; Tritium | 1980 |
Substrate specificity of the placental microsomal aromatase.
Topics: Androstenedione; Aromatase; Binding Sites; Binding, Competitive; Female; Humans; In Vitro Techniques; Kinetics; Microsomes; Oxidoreductases; Placenta; Pregnancy; Sodium Chloride; Substrate Specificity; Testosterone | 1980 |
Androgens in the fetal guinea-pig after maternal infusion of radioactive testosterone.
Topics: Androstenedione; Animals; Female; Fetal Blood; Gestational Age; Guinea Pigs; Male; Maternal-Fetal Exchange; Pregnancy; Progesterone; Sex Differentiation; Testosterone | 1981 |
Inhibition of androgen aromatization in human breast cancer.
Topics: Aminoglutethimide; Androstenedione; Aromatase Inhibitors; Breast Neoplasms; Carbon Radioisotopes; Estradiol; Estrone; Female; Humans; Kinetics; Microsomes; Oxidoreductases; Placenta; Pregnancy | 1980 |
Metabolism of testosterone and androstenedione by human adult and fetal gastrointestinal tissues in vitro.
Topics: Adult; Aging; Androstenedione; Carbon Radioisotopes; Female; Fetus; Gastric Mucosa; Humans; Intestinal Mucosa; Male; Organ Specificity; Pregnancy; Testosterone | 1980 |
Aromatase inhibitors: effect of ring A and ring B unsaturation on aromatase inhibition by 4-thiosubstituted derivatives of 4-androstene-3,17-dione.
Topics: Androstanols; Androstatrienes; Androstenedione; Aromatase; Aromatase Inhibitors; Binding, Competitive; Enzyme Inhibitors; Female; Humans; Kinetics; Microsomes; Models, Chemical; Placenta; Pregnancy; Sulfides; Time Factors | 1995 |
Effect of intrauterine position of conceptus development, placental and endometrial release of progesterone and estrone in vitro, and concentration of steroid hormones in fetal fluids throughout gestation in swine.
Topics: Allantois; Amniotic Fluid; Androstenedione; Animals; Embryonic and Fetal Development; Endometrium; Estrone; Female; Gestational Age; Hysterectomy; Male; Ovariectomy; Placenta; Pregnancy; Pregnancy, Animal; Progesterone; Sex Factors; Swine; Time Factors | 1995 |
Role of oestradiol-17 beta in the regulation of synthesis and secretion of human chorionic gonadotrophin by first trimester human placenta.
Topics: Androstenedione; Aromatase Inhibitors; Chorionic Gonadotropin; Chorionic Gonadotropin, beta Subunit, Human; Estradiol; Female; Glycoprotein Hormones, alpha Subunit; Humans; Kinetics; Peptide Fragments; Placenta; Pregnancy; Pregnancy Trimester, First; Progesterone; RNA, Messenger; Tamoxifen | 1993 |
In vitro production of cyclic AMP and steroids from an ovarian Sertoli-Leydig cell tumor. Notes on clinical management.
Topics: Adrenocorticotropic Hormone; Adult; Androstenedione; Chorionic Gonadotropin; Culture Techniques; Cyclic AMP; Estradiol; Female; Follicle Stimulating Hormone; Humans; Infant, Newborn; Insulin-Like Growth Factor I; Ovarian Neoplasms; Postoperative Period; Pregnancy; Progesterone; Sertoli-Leydig Cell Tumor; Testosterone; Tumor Cells, Cultured | 1995 |
In vitro 19-norandrogen synthesis by equine placenta requires the participation of aromatase.
Topics: Androstenedione; Animals; Aromatase; Chromatography, Gel; Chromatography, High Pressure Liquid; Female; Horses; Organ Culture Techniques; Placenta; Pregnancy | 1995 |
Testosterone and androstenedione in premature ovarian failure pregnancies: evidence for an ovarian source of androgens in early pregnancy.
Topics: Androstenedione; Embryo Transfer; Female; Fertilization in Vitro; Humans; Infertility, Female; Menotropins; Ovary; Pregnancy; Primary Ovarian Insufficiency; Testosterone | 1995 |
Sex hormone modulation of flow velocity in the parametrial artery of the pregnant rat.
Topics: Androstenedione; Animals; Arteries; Blood Flow Velocity; Estradiol; Female; Gonadal Steroid Hormones; Mifepristone; Models, Biological; Placental Circulation; Pregnancy; Progesterone; Rats; Rats, Sprague-Dawley; Time Factors; Uterus | 1995 |
Oestrogen synthesis by the peri-implantation conceptus of the one-humped camel (Camelus dromedarius).
Topics: Androstenedione; Animals; Aromatase; Blastocyst; Camelus; Cells, Cultured; Endometrium; Estradiol; Estrogens; Estrone; Female; Gestational Age; Pregnancy | 1994 |
[The effects of maternal stress on the aromatase activity in the perinatal rat brain].
Topics: Androstenedione; Animals; Aromatase; Brain; Female; Male; Pregnancy; Pregnancy, Animal; Rats; Rats, Wistar; Sex Differentiation; Stress, Physiological; Testosterone | 1994 |
Androstenedione stimulates progesterone production in corpora lutea of pregnant rats: an effect not mediated by oestrogen.
Topics: Androstenedione; Animals; Cells, Cultured; Corpus Luteum; Diethylstilbestrol; Dihydrotestosterone; Estradiol; Estrogens; Female; Luteal Cells; Ovary; Pregnancy; Progesterone; Rats; Testosterone | 1994 |
Synthesis of 11-substituted androstenediones and testosterones as human decidual cell growth inhibitors.
Topics: Androstenedione; Cell Division; Cells, Cultured; Decidua; Female; Humans; Pregnancy; Testosterone | 1994 |
Changes in plasma androgen levels and testicular histology with descent of the testis in the dog.
Topics: Aging; Androgens; Androstenedione; Animals; Animals, Newborn; Cesarean Section; Dihydrotestosterone; Dogs; Embryonic and Fetal Development; Female; Fetus; Gestational Age; Male; Organ Size; Pregnancy; Testis | 1993 |
Longitudinal study of maternal plasma bioavailable testosterone and androstanediol glucuronide levels during pregnancy.
Topics: 17-alpha-Hydroxyprogesterone; Androstane-3,17-diol; Androstenedione; Estradiol; Estriol; Female; Humans; Hydroxyprogesterones; Longitudinal Studies; Pregnancy; Progesterone; Sex Hormone-Binding Globulin; Testosterone | 1994 |
Relationship between body mass index, age, and serum adrenal androgen levels in Peruvian children living at high altitude and at sea level.
Topics: Age Factors; Altitude; Androstenedione; Body Mass Index; Child; Cross-Sectional Studies; Dehydroepiandrosterone; Dehydroepiandrosterone Sulfate; Energy Metabolism; Female; Growth; Humans; Male; Multivariate Analysis; Peru; Pregnancy | 1994 |
Oestrogen modulation with parturition in the human placenta.
Topics: 3-Hydroxysteroid Dehydrogenases; Androstenedione; Aromatase; Estradiol; Estrogens; Female; Humans; Labor, Obstetric; Placenta; Pregnancy; Progesterone; Sulfatases | 1994 |
Steroid synthesis by equine conceptuses between days 7 and 14 and endometrial steroid metabolism.
Topics: 17-alpha-Hydroxyprogesterone; Analysis of Variance; Androstenedione; Anestrus; Animals; Chromatography, High Pressure Liquid; Culture Techniques; Embryo, Mammalian; Endometrium; Estradiol; Estrus; Female; Hormones; Horses; Hydroxyprogesterones; Pregnancy; Pregnenolone | 1993 |
Short- and long-term effects of perinatal interleukin-1 beta-application in rats.
Topics: Adrenal Glands; Adrenocorticotropic Hormone; Androstenedione; Animals; Corticosterone; Corticotropin-Releasing Hormone; Female; Fetal Blood; Interleukin-1; Learning; Male; Maternal-Fetal Exchange; Motor Activity; Organ Size; Pregnancy; Prenatal Exposure Delayed Effects; Rats; Rats, Wistar; Testosterone; Thymus Gland | 1993 |
Effects of dietary gossypol consumption on metabolic homeostasis and reproductive endocrine function in beef heifers and cows.
Topics: Androstenedione; Animal Feed; Animals; Cattle; Endocrine Glands; Estradiol; Estrus; Female; Follicular Fluid; Gossypol; Hemolysis; Homeostasis; Luteinizing Hormone; Osmotic Fragility; Pregnancy; Pregnancy, Animal; Progesterone; Weight Gain | 1993 |
Accumulation of intermediates and isotopically sensitive enolization distinguish between aromatase (cytochrome P450 CYP19) from rat ovary and human placenta.
Topics: Androgens; Androstenedione; Animals; Aromatase; Estrogens; Estrone; Female; Humans; Kinetics; Microsomes; NADPH-Ferrihemoprotein Reductase; Ovary; Oxidation-Reduction; Placenta; Pregnancy; Rats; Rats, Sprague-Dawley; Tritium | 1993 |
The production of monoclonal antibody to androstenedione and the effect of passive immunization on Xinjiang fine-wool sheep with it.
Topics: Androstenedione; Animals; Antibodies, Monoclonal; Female; Hybridomas; Immunization, Passive; Immunoglobulin G; Litter Size; Luteinizing Hormone; Mice; Mice, Inbred BALB C; Ovulation; Pregnancy; Progesterone; Sheep | 1993 |
Reproductive wastage in the androstenedione-immune ewe.
Topics: Androstenedione; Animals; Blastocyst; Female; Fetal Death; Microscopy, Electron, Scanning; Ovulation; Pregnancy; Pregnancy, Animal; Sheep | 1993 |
Pregnancy can be established in superovulated adult rats treated with progesterone and an aromatase inhibitor.
Topics: Analysis of Variance; Androstenedione; Animals; Aromatase Inhibitors; Embryo Implantation; Estradiol; Female; Pregnancy; Pregnancy Maintenance; Pregnancy, Animal; Progesterone; Rats; Rats, Sprague-Dawley; Superovulation | 1993 |
Prenatal dexamethasone treatment in pregnancies at risk for congenital adrenal hyperplasia due to 21-hydroxylase deficiency: effect on midgestational amniotic fluid steroid levels.
Topics: 17-alpha-Hydroxyprogesterone; Adrenal Hyperplasia, Congenital; Aldosterone; Amniocentesis; Amniotic Fluid; Androstenedione; Corticosterone; Cortisone; Cortodoxone; Dexamethasone; Female; Gestational Age; Humans; Hydrocortisone; Hydroxyprogesterones; Pregnancy; Pregnancy Trimester, Second; Prenatal Diagnosis; Risk Factors; Steroids | 1993 |
Interleukin-1 stimulates the aromatase activity of human placental cytotrophoblasts.
Topics: Androstenedione; Antibodies; Aromatase; Cells, Cultured; Estrogens; Female; Humans; Interleukin-1; Kinetics; Placenta; Pregnancy; Recombinant Proteins; Trophoblasts | 1993 |
Endocrine changes and clinical outcome after laparoscopic ovarian resection in women with polycystic ovaries.
Topics: Adult; Androstenedione; Clomiphene; Female; Hormones; Humans; Laparoscopy; Ovary; Ovulation Induction; Polycystic Ovary Syndrome; Pregnancy; Testosterone | 1993 |
Biological characterization of A-ring steroids.
Topics: Androstenedione; Aromatase; Aromatase Inhibitors; Female; Humans; Kinetics; Microsomes; Molecular Structure; Placenta; Pregnancy; Structure-Activity Relationship | 1993 |
Competitive product inhibition of aromatase by natural estrogens.
Topics: Androstenedione; Aromatase Inhibitors; Binding, Competitive; Estrogens; Fadrozole; Female; Humans; Kinetics; Microsomes; Placenta; Pregnancy; Substrate Specificity; Testosterone | 1993 |
Developmental regulation of protein kinase-A and -C activities in the baboon fetal adrenal.
Topics: Adrenal Glands; Androstenedione; Animals; Chromatography, DEAE-Cellulose; Dose-Response Relationship, Drug; Embryonic and Fetal Development; Estradiol; Female; Fetus; Isoenzymes; Papio; Pregnancy; Protein Kinase C; Protein Kinases | 1993 |
Clinical and endocrine effects of laser vaporization in patients with polycystic ovarian disease.
Topics: Adult; Androstenedione; Clomiphene; Dihydrotestosterone; Estradiol; Female; Follicular Phase; Humans; Laser Therapy; Luteal Phase; Luteinizing Hormone; Ovulation; Polycystic Ovary Syndrome; Pregnancy; Testosterone | 1993 |
Analysis of embryonic development with a model for under- or overdispersion relative to binomial variation.
Topics: Androstenedione; Animals; Binomial Distribution; Biometry; Embryonic and Fetal Development; Female; Fertility; Likelihood Functions; Models, Biological; Models, Statistical; Ovulation; Pregnancy; Serum Albumin; Sheep | 1993 |
Luteal estrogen is not required for the establishment of pregnancy in the human.
Topics: Abortion, Spontaneous; Adult; Androstenedione; Embryo Implantation; Embryo Transfer; Embryonic and Fetal Development; Endometrium; Estrogens; Female; Humans; Infant, Newborn; Karyotyping; Luteal Phase; Pregnancy; Progesterone; Translocation, Genetic | 1995 |
Further studies on 6-alkylandrost-4-ene-3,17-diones as aromatase inhibitors: elongation of the 6-alkyl chain.
Topics: Alkylation; Androstenedione; Aromatase Inhibitors; Binding, Competitive; Enzyme Inhibitors; Female; Humans; Microsomes; Models, Molecular; Molecular Conformation; Placenta; Pregnancy | 1995 |
Comparison of androgen levels in conception vs. non-conception cycles following controlled ovarian stimulation using the luteal phase gonadotropin-releasing hormone agonist protocol.
Topics: Adult; Androgens; Androstenedione; Chorionic Gonadotropin; Dehydroepiandrosterone; Dehydroepiandrosterone Sulfate; Estradiol; Female; Fertilization in Vitro; Follicular Phase; Humans; Infertility; Leuprolide; Luteal Phase; Menotropins; Ovulation Induction; Pregnancy; Progesterone; Testosterone | 1995 |
Dual regulation of luteal progesterone production by androstenedione during spontaneous and RU486-induced luteolysis in pregnant rats.
Topics: 17-Hydroxysteroid Dehydrogenases; 20-alpha-Hydroxysteroid Dehydrogenase; 20-Hydroxysteroid Dehydrogenases; Adrenalectomy; Androstenedione; Animals; Aromatase Inhibitors; Cells, Cultured; Corpus Luteum; Dihydrotestosterone; Estradiol; Female; Hormone Antagonists; Luteolysis; Luteolytic Agents; Menstruation-Inducing Agents; Mifepristone; Organ Size; Polyunsaturated Alkamides; Pregnancy; Pregnancy, Animal; Progesterone; Rats; Rats, Wistar; Testosterone | 1995 |
Gestational development of human placental 17 beta-hydroxysteroid oxidoreductase types 1 and 2.
Topics: 17-Hydroxysteroid Dehydrogenases; Androstenedione; Cytosol; Estradiol; Female; Humans; Microsomes; Placenta; Pregnancy; Substrate Specificity; Testosterone; Time Factors | 1995 |
Aromatase inhibitors: synthesis, biological activity, and structure of 1,2-imidazolylmethylcyclopentanol derivatives.
Topics: Androstenedione; Aromatase Inhibitors; Crystallography, X-Ray; Cyclopentanes; Enzyme Inhibitors; Female; Humans; In Vitro Techniques; Microsomes; Placenta; Pregnancy | 1995 |
The synthesis of 19-norandrostenedione from dehydroepiandrosterone in equine placenta is inhibited by aromatase inhibitors 4-hydroxyandrostenedione and fadrozole.
Topics: Androstenedione; Animals; Aromatase Inhibitors; Dehydroepiandrosterone; Enzyme Inhibitors; Fadrozole; Female; Horses; Placenta; Pregnancy | 1995 |
Effect of androstenedione administration on the maternal hypothalamo-pituitary-adreno-placental axis in the pregnant rhesus monkey.
Topics: Adrenocorticotropic Hormone; Androstenedione; Animals; Estradiol; Female; Hypothalamo-Hypophyseal System; Injections, Intravenous; Macaca mulatta; Osmolar Concentration; Pituitary-Adrenal System; Placenta; Pregnancy; Pregnancy, Animal | 1996 |
Production of premature delivery in pregnant rhesus monkeys by androstenedione infusion.
Topics: Androstenedione; Animals; Estrogens; Female; Fibronectins; Humans; Infusions, Intravenous; Macaca mulatta; Monkey Diseases; Myometrium; Obstetric Labor, Premature; Oxytocin; Pregnancy; Uterine Contraction | 1996 |
Does hyperandrogenism explain lower in vitro fertilization (IVF) success rates in smokers?
Topics: Adult; Analysis of Variance; Androstenedione; Dehydroepiandrosterone; Estradiol; Female; Fertility; Fertilization in Vitro; Follicular Fluid; Humans; Hydrocortisone; Hyperandrogenism; Oocytes; Ovarian Follicle; Pregnancy; Pregnancy Rate; Progesterone; Sex Hormone-Binding Globulin; Smoking; Testosterone | 1996 |
Plasma lipids, lipoproteins and apolipoproteins in hirsute women.
Topics: Adolescent; Adult; Androgens; Androstenedione; Apolipoproteins; Cardiovascular Diseases; Cholesterol; Cross-Sectional Studies; Estrogens; Female; Hirsutism; Humans; Hyperandrogenism; Lipids; Pregnancy; Risk Factors; Testosterone; Triglycerides | 1996 |
Daily and hourly temporal association between delta4-androstenedione-induced preterm myometrial contractions and maternal plasma estradiol and oxytocin concentrations in the 0.8 gestation rhesus monkey.
Topics: Analysis of Variance; Androstenedione; Animals; Circadian Rhythm; Estradiol; Female; Macaca mulatta; Myometrium; Obstetric Labor, Premature; Oxytocin; Pregnancy; Time Factors; Uterine Contraction | 1996 |
Effects of insulin-like growth factor I and insulin on proliferation and on basal and luteinizing hormone-induced steroidogenesis of bovine thecal cells: involvement of glucose and receptors for insulin-like growth factor I and luteinizing hormone.
Topics: Androstenedione; Animals; Cattle; Cell Division; Cells, Cultured; Chorionic Gonadotropin; Dose-Response Relationship, Drug; Drug Synergism; Female; Glucose; Insulin; Insulin-Like Growth Factor I; Iodine Radioisotopes; Luteinizing Hormone; Pregnancy; Progesterone; Radioimmunoassay; Receptor, IGF Type 1; Receptors, LH; Theca Cells | 1995 |
Functional ovarian and placental isoforms of porcine aromatase.
Topics: Amino Acid Sequence; Androstenedione; Animals; Aromatase; Cattle; DNA, Complementary; Enzyme Inhibitors; Estrone; Female; Humans; Isoenzymes; Molecular Sequence Data; Ovary; Placenta; Pregnancy; Sequence Alignment; Swine; Transfection | 1995 |
Fetal and maternal endocrine responses to experimental intrauterine infection in rhesus monkeys.
Topics: Androstenedione; Animals; Dehydroepiandrosterone; Dehydroepiandrosterone Sulfate; Estradiol; Estrone; Female; Fetal Blood; Fetus; Hormones; Macaca mulatta; Placenta; Pregnancy; Progesterone; Streptococcal Infections; Uterine Diseases | 1996 |
Steroids in human intrauterine fluids of early pregnancy.
Topics: Adrenal Cortex Hormones; Amniotic Fluid; Androstenedione; Dehydroepiandrosterone; Dehydroepiandrosterone Sulfate; Embryo, Mammalian; Estradiol; Female; Gonadal Steroid Hormones; Humans; Hydrocortisone; Hydroxyprogesterones; Pregnancy; Pregnancy Trimester, First; Progesterone; Testosterone | 1996 |
Cytochrome P450 17 alpha-hydroxylase gene expression in differentiating rat trophoblast cells.
Topics: Androgens; Androstenedione; Animals; Cell Differentiation; Cell Line; Female; Gene Expression; Gene Expression Regulation, Developmental; Genetic Techniques; Mice; Models, Biological; Pregnancy; Progesterone; Rats; Rats, Sprague-Dawley; RNA, Messenger; Steroid 17-alpha-Hydroxylase; Transcription, Genetic; Trophoblasts; Tubulin | 1996 |
The oxytocin antagonist atosiban prevents androstenedione-induced myometrial contractions in the chronically instrumented, pregnant rhesus monkey.
Topics: Androstenedione; Animals; Blood Pressure; Cardiovascular Physiological Phenomena; Estradiol; Female; Heart Rate; Macaca mulatta; Myometrium; Oxytocin; Pregnancy; Pregnancy, Animal; Tocolytic Agents; Uterine Contraction; Vasotocin | 1996 |
Ontogeny of proopiomelanocortin posttranslational processing in the ovine fetal pituitary.
Topics: Adrenocorticotropic Hormone; Aging; Androstenedione; Animals; Embryonic and Fetal Development; Estradiol; Female; Gene Expression Regulation, Developmental; Gestational Age; Pituitary Gland; Pregnancy; Pro-Opiomelanocortin; Protein Processing, Post-Translational; Sheep | 1996 |
Characterization of oviductal aromatase in the northern leopard frog, Rana pipiens.
Topics: Androstenedione; Animals; Aromatase; Enzyme Inhibitors; Female; Humans; Hydrogen-Ion Concentration; Kinetics; Microsomes; Oviducts; Placenta; Pregnancy; Rana pipiens; Thermodynamics | 1996 |
Gonadal and adrenal hormones. Developmental transitions and aggressive behavior.
Topics: Adolescent; Adult; Aggression; Androstenedione; Anxiety; Child; Dehydroepiandrosterone; Estradiol; Female; Humans; Hydrocortisone; Male; Pregnancy; Testosterone | 1996 |
Laparoscopic ovarian treatment in infertile patients with polycystic ovarian syndrome (PCOS): endocrine changes and clinical outcome.
Topics: Adult; Androstenedione; Androstenols; Body Weight; Cohort Studies; Dehydroepiandrosterone; Electrocoagulation; Female; Follicle Stimulating Hormone; Humans; Infertility, Female; Laparoscopy; Luteinizing Hormone; Osmolar Concentration; Ovary; Ovulation; Polycystic Ovary Syndrome; Postoperative Complications; Pregnancy; Pregnancy Rate; Prospective Studies; Reoperation; Testosterone; Time Factors; Tissue Adhesions; Treatment Outcome | 1996 |
Mechanism for aromatase inactivation by a suicide substrate, androst-4-ene-3,6,17-trione. The 4 beta, 5 beta-epoxy-19-oxo derivative as a reactive electrophile irreversibly binding to the active site.
Topics: Androstenedione; Androstenes; Aromatase; Aromatase Inhibitors; Binding Sites; Electrochemistry; Enzyme Inhibitors; Female; Humans; In Vitro Techniques; Kinetics; Microsomes; Models, Chemical; Placenta; Pregnancy; Substrate Specificity | 1996 |
Exercise during pregnancy and maternal and fetal plasma corticosterone and androstenedione in rats.
Topics: Androstenedione; Animals; Corticosterone; Female; Fetal Blood; Fetus; Physical Conditioning, Animal; Physical Exertion; Pregnancy; Pregnancy, Animal; Radioligand Assay; Rats; Rats, Sprague-Dawley; Reproducibility of Results; Sensitivity and Specificity | 1996 |
Androstenedione synergizes with stress or prenatal drug exposure to retard fetal growth: role of IGF.
Topics: Adrenalectomy; Androstenedione; Animals; Birth Weight; Central Nervous System Depressants; Cocaine; Embryonic and Fetal Development; Ethanol; Female; Hypothalamo-Hypophyseal System; Insulin-Like Growth Factor I; Insulin-Like Growth Factor II; Pregnancy; Rats; Rats, Sprague-Dawley; RNA, Messenger; Somatomedins; Stress, Psychological; Weight Gain | 1996 |
The ovarian secretion of androstenedione and oestradiol during late pregnancy and the early postpartum period in sheep with an autotransplanted ovary.
Topics: Androstenedione; Animals; Embryo Transfer; Estradiol; Female; Gonadotropin-Releasing Hormone; Luteinizing Hormone; Ovary; Postpartum Period; Pregnancy; Progesterone; Sheep | 1996 |
The value of human growth hormone as an adjuvant for ovarian stimulation in a human in vitro fertilization program.
Topics: Androstenedione; Buserelin; Estradiol; Female; Fertilization in Vitro; Follicular Fluid; Human Growth Hormone; Humans; Insulin-Like Growth Factor I; Luteinizing Hormone; Ovulation Induction; Pregnancy; Progesterone; Testosterone | 1996 |
Relationship between androstenedione-induced myometrial contractions and platelet-activating factor acetylhydrolase in late gestation in pregnant rhesus monkeys.
Topics: 1-Alkyl-2-acetylglycerophosphocholine Esterase; Androstenedione; Animals; Electromyography; Estradiol; Female; Macaca mulatta; Phospholipases A; Pregnancy; Time Factors; Uterine Contraction | 1997 |
Administration of testosterone from day 13 of the estrous cycle to estrus increased the number of corpora lutea and conceptus survival in gilts.
Topics: Androstenedione; Animals; Blastocyst; Corpus Luteum; Dose-Response Relationship, Drug; Embryo, Mammalian; Estrus; Female; Pregnancy; Swine; Testosterone; Time Factors | 1997 |
Intrahepatic cholestasis of pregnancy impairs the activities of human placental xenobiotic and steroid metabolizing enzymes in vitro.
Topics: Adult; Androstenedione; Chemistry, Clinical; Cholestasis, Intrahepatic; Cytochrome P-450 Enzyme System; Female; Humans; Infant, Newborn; Microsomes; Placenta; Pregnancy; Pregnancy Complications; Pregnancy Trimester, Third | 1997 |
Timing of the switch from myometrial contractures to contractions in late-gestation pregnant rhesus monkeys as recorded by myometrial electromyogram during spontaneous term and androstenedione-induced labor.
Topics: Androstenedione; Animals; Electromyography; Female; Labor, Induced; Labor, Obstetric; Macaca mulatta; Myometrium; Photoperiod; Pregnancy; Time Factors; Uterine Contraction | 1997 |
Modulation of ovine fetal adrenocorticotropin secretion by androstenedione and 17beta-estradiol.
Topics: Adrenocorticotropic Hormone; Androstenedione; Animals; Blood Pressure; Estradiol; Feedback; Female; Fetal Blood; Fetus; Hydrocortisone; Kinetics; Nitroprusside; Pregnancy; Sheep | 1997 |
Aromatase inactivation by a suicide substrate, androst-5-ene-4,7,17-trione: the 5beta,6beta-epoxy-19-oxo derivative, as a possible reactive electrophile irreversibly binding to the active site.
Topics: Acetylcysteine; Androstanes; Androstenedione; Androstenes; Aromatase Inhibitors; Binding Sites; Binding, Competitive; Cysteine; Female; Humans; In Vitro Techniques; Kinetics; Microsomes; NADP; Placenta; Pregnancy | 1997 |
Direct inhibitions of the activities of steroidogenic cytochrome P-450 mono-oxygenase systems by anticonvulsants.
Topics: Adrenodoxin; Androstenedione; Animals; Anticonvulsants; Aromatase; Cattle; Cholesterol; Cholesterol Side-Chain Cleavage Enzyme; Cytochrome P-450 Enzyme Inhibitors; Cytochrome P-450 Enzyme System; Desoxycorticosterone; Estrogens; Estrone; Female; Ferredoxin-NADP Reductase; Humans; Male; Microsomes; NADH, NADPH Oxidoreductases; NADPH-Ferrihemoprotein Reductase; Placenta; Pregnancy; Pregnenolone; Progesterone; Rats; Steroid 11-beta-Hydroxylase; Steroid 17-alpha-Hydroxylase; Steroid 21-Hydroxylase; Steroids; Testis | 1997 |
Umbilical cord androgens in infants of diabetic mothers.
Topics: Androstenedione; Birth Weight; Body Weight; Diabetes, Gestational; Female; Fetal Blood; Humans; Infant, Newborn; Insulin; Male; Pregnancy; Testosterone | 1997 |
Changes in the forward and reverse metabolism of aromatizable androgens during the development of large ovarian cysts in the pregnant rat.
Topics: Androgens; Androstenedione; Animals; Chorionic Gonadotropin; Cyclic AMP; Estradiol; Estrone; Female; Ovarian Cysts; Ovarian Follicle; Pregnancy; Pregnancy Complications; Rats; Rats, Sprague-Dawley; Testosterone | 1997 |
Hyperreactio luteinalis differentiated from severe ovarian hyperstimulation syndrome in a spontaneously conceived pregnancy.
Topics: Adult; Androstenedione; Ascites; Chorionic Gonadotropin; Diagnosis, Differential; Estradiol; Female; Fluid Shifts; Humans; Ovarian Cysts; Ovarian Diseases; Ovarian Hyperstimulation Syndrome; Ovary; Pleural Effusion; Pregnancy; Pregnancy Complications; Severity of Illness Index; Syndrome; Testosterone; Ultrasonography | 1997 |
Interaction of mouse placental lactogens and androgens in regulating progesterone release in cultured mouse luteal cells.
Topics: Androgen Receptor Antagonists; Androgens; Androstenedione; Animals; Aromatase Inhibitors; Cattle; Cells, Cultured; Cycloheximide; Dihydrotestosterone; Dose-Response Relationship, Drug; Drug Interactions; Enzyme Inhibitors; Estradiol; Estrogen Antagonists; Fadrozole; Female; Flutamide; Luteal Cells; Mice; Placental Lactogen; Pregnancy; Progesterone; Prolactin; Protein Synthesis Inhibitors; Rabbits; Testosterone | 1997 |
Studies directed toward a mechanistic evaluation of aromatase inhibition by androst-5-ene-7,17-dione. Time-dependent inactivation by the 19-nor and 5 beta, 6 beta-epoxy derivatives.
Topics: Androstanes; Androstenedione; Aromatase; Aromatase Inhibitors; Binding, Competitive; Enzyme Inhibitors; Female; Humans; Kinetics; NADP; Placenta; Pregnancy; Structure-Activity Relationship; Time Factors | 1997 |
The antiovulatory effect of the antiprogestin onapristone could be related to down-regulation of intraovarian progesterone (receptors).
Topics: 17-Hydroxysteroid Dehydrogenases; 3-Hydroxysteroid Dehydrogenases; Androstenedione; Animals; Chorionic Gonadotropin; Down-Regulation; Estradiol; Female; Gonadotropins, Equine; Gonanes; Granulosa Cells; Hormone Antagonists; Kinetics; Ovary; Ovulation; Ovulation Induction; Pregnancy; Rats; Rats, Wistar; Receptors, Androgen; Receptors, Estrogen; Receptors, Progesterone; Theca Cells | 1997 |
Immunolocalization of 3 beta-hydroxysteroid dehydrogenase, cytochrome P450 17 alpha-hydroxylase/17,20-lyase and cytochrome P450 aromatase in the equine corpus luteum of dioestrus and early pregnancy.
Topics: 3-Hydroxysteroid Dehydrogenases; Androstenedione; Animals; Aromatase; Corpus Luteum; Diestrus; Estrogens; Female; Gonadotropins, Equine; Horses; Immunohistochemistry; Oxidoreductases; Pregnancy; Pregnancy, Animal; Steroid 17-alpha-Hydroxylase | 1997 |
Enzymic aromatization of 6-alkyl-substituted androgens, potent competitive and mechanism-based inhibitors of aromatase.
Topics: Alkanes; Androgens; Androstenedione; Antibodies; Aromatase; Aromatase Inhibitors; Enzyme Inhibitors; Female; Gas Chromatography-Mass Spectrometry; Humans; Kinetics; Microsomes; Molecular Structure; Placenta; Pregnancy | 1998 |
Hormonal patterns, steroid receptors and morphological pictures of endometrium in hyperstimulated IVF cycles.
Topics: Androstenedione; Biopsy; Endometrium; Estradiol; Female; Fertilization in Vitro; Follicle Stimulating Hormone; Hormones; Humans; Infertility, Male; Luteinizing Hormone; Male; Ovulation Induction; Pregnancy; Progesterone; Receptors, Estrogen; Receptors, Progesterone; Testosterone | 1997 |
Local paracrine effects of estradiol are central to parturition in the rhesus monkey.
Topics: Androstenedione; Animals; Aromatase Inhibitors; Electromyography; Enzyme Inhibitors; Estradiol; Female; Humans; Infusions, Intravenous; Labor, Obstetric; Macaca mulatta; Myometrium; Oxytocin; Pregnancy; Progesterone; Uterine Contraction | 1998 |
Serum androgen levels in women who have recurrent miscarriages and their correlation with markers of endometrial function.
Topics: Abortion, Habitual; Adult; Androstenedione; Biopsy; Cervix Uteri; Cohort Studies; Endometrium; Female; Glycodelin; Glycoproteins; Humans; Luteinizing Hormone; Menstrual Cycle; Polycystic Ovary Syndrome; Pregnancy; Pregnancy Proteins; Retrospective Studies; Sex Hormone-Binding Globulin; Testosterone | 1998 |
Polycystic ovary syndrome: anomalies in progesterone production.
Topics: Abortion, Spontaneous; Androstenedione; Anovulation; Case-Control Studies; Chorionic Gonadotropin; Estradiol; Female; Fertilization in Vitro; Follicle Stimulating Hormone; Granulosa Cells; Humans; In Vitro Techniques; Polycystic Ovary Syndrome; Pregnancy; Progesterone; Testosterone | 1998 |
Maternal serum androgens in human pregnancy: early increases within the cycle of conception.
Topics: 17-alpha-Hydroxyprogesterone; Adrenal Glands; Adult; Androgens; Androstenedione; Case-Control Studies; Corpus Luteum; Female; Fertilization; Humans; Insemination, Artificial, Heterologous; Luteal Phase; Pregnancy; Testosterone; Time Factors | 1998 |
Changes in fetal plasma corticotropin-releasing hormone during androstenedione-induced labor in the rhesus monkey: lack of an effect on the fetal hypothalamo-pituitary-adrenal axis.
Topics: Androstenedione; Animals; Corticotropin-Releasing Hormone; Female; Fetal Blood; Hormones; Hypothalamo-Hypophyseal System; Labor, Induced; Labor, Obstetric; Macaca mulatta; Osmolar Concentration; Pituitary-Adrenal System; Pregnancy; Umbilical Veins | 1998 |
Differentiation of adult Leydig cells in the neonatal rat testis is arrested by hypothyroidism.
Topics: 11-beta-Hydroxysteroid Dehydrogenases; Aging; Androstenedione; Animals; Animals, Newborn; Body Weight; Cell Differentiation; Female; Hydroxysteroid Dehydrogenases; Hypothyroidism; Immunohistochemistry; Leydig Cells; Male; Organ Size; Pregnancy; Propylthiouracil; Rats; Rats, Sprague-Dawley; Testis | 1998 |
Androgens and masculinization of genitalia in the spotted hyaena (Crocuta crocuta). 2. Effects of prenatal anti-androgens.
Topics: 5-alpha Reductase Inhibitors; Androgen Antagonists; Androstenedione; Animals; Carnivora; Cyproterone Acetate; Enzyme Inhibitors; Female; Finasteride; Flutamide; Genitalia; Male; Maternal-Fetal Exchange; Pregnancy; Sex Differentiation; Urogenital System | 1998 |
The effect of dexamethasone administration at different stages of gestation on maternal plasma steroid concentrations in the baboon (Papio cynocephalus).
Topics: Adrenal Glands; Androstenedione; Animals; Dexamethasone; Estradiol; Female; Gestational Age; Glucocorticoids; Hydrocortisone; Maternal-Fetal Exchange; Papio; Pregnancy; Progesterone; Steroids; Testosterone | 1998 |
6-Phenylaliphatic-substituted androst-4-ene-3,17-diones as aromatase inhibitors: structure-activity relationships.
Topics: Androstenedione; Aromatase Inhibitors; Binding, Competitive; Drug Design; Enzyme Inhibitors; Female; Humans; Kinetics; Models, Molecular; Molecular Conformation; Molecular Structure; Phenols; Placenta; Pregnancy; Structure-Activity Relationship | 1998 |
Equine chorionic gonadotropin regulates luteal steroidogenesis in pregnant mares.
Topics: Androstenedione; Animals; Chorionic Gonadotropin; Corpus Luteum; Estrogens; Female; Gestational Age; Horses; Pregnancy; Progestins; Steroids | 1998 |
Testis-like steroidogenesis in the ovotestis of the European mole, Talpa europaea.
Topics: Androstenedione; Animals; Clitoris; Female; Male; Moles; Ovary; Penis; Pregnancy; Seasons; Sex Differentiation; Testis; Testosterone | 1999 |
Endocrine abnormalities during the follicular phase in women with recurrent spontaneous abortion.
Topics: Abortion, Habitual; Adult; Androstenedione; Endocrine Glands; Female; Follicle Stimulating Hormone; Follicular Phase; Humans; Luteinizing Hormone; Osmolar Concentration; Pregnancy; Prolactin | 1999 |
Profiling steroid hormones in amniotic fluid of midpregnancy by routine stable isotope dilution/gas chromatography-mass spectrometry: reference values and concentrations in fetuses at risk for 21-hydroxylase deficiency.
Topics: Adrenal Hyperplasia, Congenital; Amniotic Fluid; Androstenedione; Female; Gas Chromatography-Mass Spectrometry; Gonadal Steroid Hormones; Humans; Male; Pregnancy; Reference Values; Risk; Sex Factors; Testosterone | 1999 |
1-[(Benzofuran-2-yl)phenylmethyl]-triazoles and -tetrazoles - potent competitive inhibitors of aromatase.
Topics: Aminoglutethimide; Androstenedione; Aromatase; Aromatase Inhibitors; Benzofurans; Enzyme Inhibitors; Female; Humans; Inhibitory Concentration 50; Ketones; Placenta; Pregnancy; Structure-Activity Relationship; Tetrazoles; Triazoles | 1999 |
Expression and regulation of relaxin-like factor gene transcripts in the bovine ovary: differentiation-dependent expression in theca cell cultures.
Topics: Androstenedione; Animals; Blotting, Northern; Cattle; Cell Differentiation; Cells, Cultured; Enzyme-Linked Immunosorbent Assay; Estradiol; Female; Insulin; Pregnancy; Progesterone; Proteins; Theca Cells; Transcription, Genetic | 1999 |
Changes in testosterone metabolism associated with the evolution of placental and gonadal isozymes of porcine aromatase cytochrome P450.
Topics: Androstenedione; Animals; Aromatase; Cell Count; Cell Line; Estrogens; Female; Gene Expression; Gonads; Humans; Isoenzymes; Kidney Neoplasms; Kinetics; Placenta; Pregnancy; Swine; Testosterone; Transfection; Tritium | 1999 |
Aromatase deficiency caused by a novel P450arom gene mutation: impact of absent estrogen production on serum gonadotropin concentration in a boy.
Topics: Androstenedione; Aromatase; Base Sequence; Estrogens; Female; Follicle Stimulating Hormone; Frameshift Mutation; Gonadotropin-Releasing Hormone; Heterozygote; Homozygote; Humans; Infant, Newborn; Luteinizing Hormone; Male; Pedigree; Pregnancy; Pregnancy Complications; Testosterone; Virilism | 1999 |
Studies of the time-dependent inactivation of aromatase by 4beta,5beta-epoxy-6-one and 5beta,6beta-epoxy-4-one steroids under various conditions.
Topics: Androstenedione; Aromatase Inhibitors; Cysteine; Enzyme Inhibitors; Female; Humans; In Vitro Techniques; Kinetics; Microsomes; NADP; Placenta; Pregnancy; Stereoisomerism; Steroids; Time Factors | 1999 |
[Effects of human chorionic gonadotropine and insulin on androgen production by cultured thecal cells from patients with polycystic ovary syndrome].
Topics: 17-alpha-Hydroxyprogesterone; Adult; Androstenedione; Cells, Cultured; Chorionic Gonadotropin; Female; Humans; Insulin; Polycystic Ovary Syndrome; Pregnancy; Progesterone; Theca Cells | 1998 |
Local increase of ovarian steroid hormone concentration in blood supplying the oviduct and uterus during early pregnancy of sows.
Topics: Androstenedione; Animals; Arteries; Catheterization; Estrone; Fallopian Tubes; Female; Gonadal Steroid Hormones; Jugular Veins; Pregnancy; Pregnancy, Animal; Swine; Testosterone; Uterus | 1998 |
Effect of 3,6-dimethylpyrazine-2-thiol on androstenedione-induced increase of uterine weight in female rats.
Topics: Aminoglutethimide; Androstenedione; Animals; Aromatase; Aromatase Inhibitors; Drug Interactions; Enzyme Inhibitors; Female; Organ Size; Pregnancy; Pyrazines; Rats; Rats, Wistar; Testosterone; Uterus | 1999 |
Measurement of androstenedione levels by an in-house radioimmunoassay.
Topics: 17-alpha-Hydroxyprogesterone; Adolescent; Adrenal Hyperplasia, Congenital; Adult; Androstenedione; Child; Child, Preschool; Circadian Rhythm; Female; Humans; Infant; Infant, Newborn; Infant, Premature; Infant, Premature, Diseases; Male; Middle Aged; Pregnancy; Puberty; Radioimmunoassay; Reference Values; Reproducibility of Results; Sensitivity and Specificity | 1996 |
Early diagnosis of ectopic pregnancy: can we do it accurately using a biochemical profile?
Topics: 17-alpha-Hydroxyprogesterone; Androstenedione; Biomarkers; CA-125 Antigen; Chorionic Gonadotropin, beta Subunit, Human; Creatine Kinase; Estradiol; Female; Humans; Predictive Value of Tests; Pregnancy; Pregnancy, Ectopic; Progesterone; Prospective Studies; ROC Curve; Ultrasonography | 2000 |
Polycystic ovary syndrome, infertility, familial thrombophilia, familial hypofibrinolysis, recurrent loss of in vitro fertilized embryos, and miscarriage.
Topics: Abortion, Habitual; Adult; Amenorrhea; Androstenedione; Embryo Transfer; Female; Fertilization in Vitro; Fibrinolysis; Humans; Hypoglycemic Agents; Infertility, Female; Metformin; Plasminogen Activator Inhibitor 1; Polycystic Ovary Syndrome; Polymorphism, Genetic; Pregnancy; Testosterone; Thrombophilia; Treatment Outcome | 2000 |
Androstenedione treatment of pregnant baboons at 0.7-0.8 of gestation promotes a premature forward shift in the nocturnal maternal plasma estradiol surge relative to progesterone and increases myometrial contraction activity.
Topics: Androstenedione; Animals; Circadian Rhythm; Estradiol; Fat Emulsions, Intravenous; Female; Papio; Pregnancy; Progesterone; Uterine Contraction | 2000 |
Estrogen and androgen influence hypothalamic AVP and CRF concentrations in fetal and adult sheep.
Topics: Androgens; Androstenedione; Animals; Arginine Vasopressin; Case-Control Studies; Corticotropin-Releasing Hormone; Estradiol; Estrogen Antagonists; Estrogens; Estrone; Female; Hypothalamus; Pregnancy; Sheep; Tamoxifen | 2001 |
Endocrinological and endometrial factors in recurrent miscarriage.
Topics: Abortion, Habitual; Adult; Androstenedione; Endocrine System Diseases; Endometrium; Estradiol; Female; Follicle Stimulating Hormone; Humans; Luteinizing Hormone; Pregnancy; Progesterone; Prolactin; Prospective Studies; Sex Hormone-Binding Globulin; Testosterone | 2000 |
Developmental regulation of morphological differentiation of placental villous trophoblast in the baboon.
Topics: Androstenedione; Animals; Aromatase Inhibitors; Bromodeoxyuridine; Cell Differentiation; Enzyme Inhibitors; Estradiol; Estrogens; Female; Ki-67 Antigen; Letrozole; Nitriles; Papio; Placenta; Pregnancy; Triazoles; Trophoblasts | 2001 |
Serum and follicular fluid hormone levels during in vitro fertilization after short- or long-course treatment with a gonadotropin-releasing hormone agonist.
Topics: Adult; Androstenedione; Chorionic Gonadotropin; Drug Administration Schedule; Estradiol; Female; Fertility Agents, Female; Fertilization in Vitro; Follicle Stimulating Hormone; Follicular Fluid; Humans; Leuprolide; Luteinizing Hormone; Male; Ovulation; Pregnancy; Progesterone; Prospective Studies; Testosterone | 2001 |
Assessment of endocrine status in patients undergoing in-vitro fertilization treatment. Is it necessary?
Topics: 17-alpha-Hydroxyprogesterone; Adult; Androstenedione; Dehydroepiandrosterone; Embryo Transfer; Estradiol; Female; Fertilization in Vitro; Follicle Stimulating Hormone; Hormones; Humans; Luteinizing Hormone; Pregnancy; Progesterone; Prolactin; Testosterone; Thyrotropin | 2001 |
Virilization during pregnancy caused by ovarian mucinous cystadenocarcinoma.
Topics: Adult; Androstenedione; Cystadenocarcinoma, Mucinous; Female; Humans; Infant, Newborn; Ovarian Neoplasms; Ovariectomy; Pregnancy; Pregnancy Complications, Neoplastic; Virilism | 2001 |
The impact of obesity and insulin resistance on the outcome of IVF or ICSI in women with polycystic ovarian syndrome.
Topics: Androstenedione; Buserelin; Drug Resistance; Estradiol; Female; Fertilization in Vitro; Follicle Stimulating Hormone; Humans; Insulin; Insulin Resistance; Luteinizing Hormone; Obesity; Ovulation Induction; Polycystic Ovary Syndrome; Pregnancy; Recombinant Proteins; Sex Hormone-Binding Globulin; Sperm Injections, Intracytoplasmic; Testosterone; Treatment Outcome | 2001 |
Identification of 16alpha,19-dihydroxyandrostenedione in the serum of pregnant women by gas chromatography-mass spectrometry.
Topics: Adult; Androstenedione; Calibration; Dehydroepiandrosterone; Female; Gas Chromatography-Mass Spectrometry; Humans; Pregnancy; Pregnancy Trimester, Third | 2001 |
Inhibition of human cytochrome P450 aromatase activity by butyltins.
Topics: 3-Hydroxysteroid Dehydrogenases; Androstenedione; Animals; Aromatase; Aromatase Inhibitors; Dose-Response Relationship, Drug; Enzyme Inhibitors; Female; Humans; Microsomes; NADP; Organotin Compounds; Placenta; Pregnancy | 2001 |
Maternal prenatal, postpartum, and concurrent stressors and temperament in 3-year-olds: a person and variable analysis.
Topics: Adolescent; Adult; Aggression; Androstenedione; Child Behavior Disorders; Child, Preschool; Cluster Analysis; Estradiol; Female; Follow-Up Studies; Humans; Hydrocortisone; Male; Mothers; Postpartum Period; Pregnancy; Pregnancy Complications; Saliva; Stress, Psychological; Temperament; Testosterone | 2001 |
Effects of 4-hydroxyandrostenedione and hyperstimulation with pregnant mare serum gonadotrophin on early embryonic development in rats.
Topics: Androstenedione; Animals; Aromatase Inhibitors; Dose-Response Relationship, Drug; Drug Interactions; Embryo, Mammalian; Enzyme Inhibitors; Estradiol; Female; Gonadotropins, Equine; Pregnancy; Rats; Rats, Wistar | 2001 |
Altered balance between the 5 alpha-reductase and aromatase pathways of androgen metabolism during controlled ovarian hyperstimulation with human menopausal gonadotropins.
Topics: 3-Oxo-5-alpha-Steroid 4-Dehydrogenase; Adult; Androstane-3,17-diol; Androstenedione; Aromatase; Estradiol; Estrone; Female; Gonadotropin-Releasing Hormone; Gonadotropins; Humans; Ovulation Induction; Pregnancy; Sex Hormone-Binding Globulin; Testosterone | 2001 |
Time-dependent aromatase inactivation by 4 beta,5 beta-epoxides of the natural substrate androstenedione and its 19-oxygenated analogs.
Topics: Androstenedione; Aromatase; Aromatase Inhibitors; Binding, Competitive; Enzyme Inhibitors; Epoxy Compounds; Estradiol; Female; Gas Chromatography-Mass Spectrometry; Humans; Kinetics; Microsomes; NADP; Placenta; Pregnancy; Substrate Specificity | 2002 |
Seasonal changes in circulating steroid concentration and their correlation with the ovarian activity in the female Indian sheath-tailed bat, Taphozous longimanus.
Topics: Adaptation, Physiological; Androstenedione; Animals; Chiroptera; Estradiol; Female; Geography; Ovarian Follicle; Ovary; Ovulation; Pregnancy; Pregnancy, Animal; Seasons | 2002 |
[Effects of metformin on the plasminogen activator system, endocrine, metabolic profiles in patients with polycystic ovary syndrome and clomiphene resistant cases].
Topics: Adult; Androstenedione; Blood Glucose; Cholesterol; Cholesterol, LDL; Clomiphene; Drug Resistance; Estradiol; Female; Fertility Agents, Female; Follicle Stimulating Hormone; Hormones; Humans; Hypoglycemic Agents; Insulin; Luteinizing Hormone; Metformin; Plasminogen Activator Inhibitor 1; Plasminogen Activators; Polycystic Ovary Syndrome; Pregnancy; Testosterone; Treatment Outcome | 2002 |
Activin A, estradiol, and free insulin-like growth factor I in follicular fluid preceding the experimental assumption of follicle dominance in cattle.
Topics: Activins; Androstenedione; Animals; Cattle; Estradiol; Female; Follicle Stimulating Hormone; Follicular Fluid; Follicular Phase; Hormones; Inhibin-beta Subunits; Inhibins; Insulin-Like Growth Factor Binding Protein 2; Insulin-Like Growth Factor I; Ovarian Follicle; Pregnancy; Progesterone | 2002 |
Kinetic properties of human placental aromatase. Application of an assay measuring 3H2O release from 1beta,2beta-3H-androgens.
Topics: Androgens; Androstenedione; Aromatase; Binding Sites; Estradiol; Estrone; Female; Humans; Hydrogen-Ion Concentration; Isotope Labeling; Kinetics; Methods; Oxidoreductases; Placenta; Pregnancy; Protein Binding; Testosterone; Tritium | 1976 |
Interactions of various 19-nor steroids with human placental microsomal cytochrome P-450 (P-450hpm).
Topics: Androstenedione; Binding Sites; Carbon Monoxide; Cytochrome P-450 Enzyme System; Female; Humans; Kinetics; Microsomes; NADP; Norsteroids; Placenta; Pregnancy; Protein Binding; Testosterone | 1976 |
Aromatization of steroids by mitochondrial preparations from human term placenta.
Topics: Androstenedione; Aromatase; Calcium; Cholesterol; Estrogens; Female; Humans; Microsomes; Mitochondria; Mixed Function Oxygenases; NADP; Oxidoreductases; Placenta; Pregnancy | 1978 |
The in vitro metabolism of progesterone, 4-androstene-3,17-dione, testosterone and 17 beta-hydroxy-5 alpha-androstan-3-one by fetal rhesus monkey testes.
Topics: Androstenedione; Animals; Chromatography, Thin Layer; Dihydrotestosterone; Female; Fetus; Haplorhini; Macaca mulatta; Male; Pregnancy; Progesterone; Testis; Testosterone; Tritium | 1979 |
Peripheral plasma levels of progesterone, oestradiol-17 beta, oestrone, testosterone, androstenedione and chorionic gonadotrophin during pregnancy in the marmoset monkey, Callithrix jacchus.
Topics: Androstenedione; Animals; Callitrichinae; Chorionic Gonadotropin; Estradiol; Estrone; Female; Gestational Age; Haplorhini; Hormones; Pregnancy; Pregnancy, Animal; Progesterone; Testosterone | 1979 |
Subcellular distribution of aromatase in human placenta and ovary.
Topics: Androstenedione; Aromatase; Female; Humans; Microsomes; Mitochondria; NADPH-Ferrihemoprotein Reductase; Ovary; Oxidoreductases; Placenta; Pregnancy | 1979 |
Metabolic clearance rate, production rate and mammary uptake of progesterone in the goat.
Topics: Androstenedione; Animals; Blood Flow Velocity; Dehydroepiandrosterone; Estradiol; Estrone; Estrus; Female; Goats; Hydrocortisone; In Vitro Techniques; Kinetics; Lymph; Mammary Glands, Animal; Metabolic Clearance Rate; Milk; Pregnancy; Pregnenolone; Progesterone | 1975 |
Proceedings: Conversion of dehydroepiandrosterone to oestrogen--a dynamic placental function test.
Topics: Androstenedione; Dehydroepiandrosterone; Estradiol; Estrogens; Female; Humans; Placenta; Pregnancy; Testosterone | 1975 |
Aromatizing activity of placental microsomal fractions from ewes in late gestation.
Topics: Androstenedione; Animals; Chromatography, Gel; Dehydroepiandrosterone; Estradiol; Estrone; Female; Hydrocortisone; In Vitro Techniques; Microsomes; Placenta; Pregnancy; Pregnancy, Animal; Sheep; Subcellular Fractions; Testosterone; Time Factors | 1975 |
Demonstration of an active C17-C20 lyase in the sheep placenta.
Topics: 17-alpha-Hydroxypregnenolone; Androstenedione; Animals; Chromatography, Thin Layer; Dehydroepiandrosterone; Estradiol; Estrone; Female; Gestational Age; Gonadal Steroid Hormones; Hydroxyprogesterones; In Vitro Techniques; Lyases; Placenta; Pregnancy; Sheep; Solvents; Testosterone | 1975 |
Steroidogenesis in cerebral metastatic chorionepithelioma tissue in vitro.
Topics: 17-alpha-Hydroxypregnenolone; Androstenedione; Brain Neoplasms; Choriocarcinoma; Dehydroepiandrosterone; Estradiol; Estriol; Estrone; Female; Humans; In Vitro Techniques; Neoplasm Metastasis; Pregnancy; Progesterone; Steroids; Testosterone | 1975 |
Biosynthesis of oestrogens and their inter-conversion in human placentae from normal and toxaemic pregnancies.
Topics: Androstenedione; Dehydroepiandrosterone; Estradiol; Estrogens; Estrone; Female; Fetal Death; Humans; In Vitro Techniques; Microsomes; Placenta; Pre-Eclampsia; Pregnancy | 1975 |
Genetic and endocrine studies of the pregnancy-blocking pheromone of mice.
Topics: Androstenedione; Androsterone; Animals; Dehydroepiandrosterone; Female; Male; Mice; Mice, Inbred Strains; Pheromones; Pregnancy; Pregnancy, Animal; Progesterone; Testosterone | 1975 |
Placental metabolism of dehydroepiandrosterone sulphate in normal pregnancy.
Topics: Androstenedione; Dehydroepiandrosterone; Estradiol; Estrone; Female; Humans; Placenta; Pregnancy; Testosterone; Time Factors | 1976 |
Polycystic ovarian disease.
Topics: Androstenedione; Clomiphene; Dehydroepiandrosterone; Depression, Chemical; Dexamethasone; Estradiol; Female; Follicle Stimulating Hormone; Gonadotropin-Releasing Hormone; Hirsutism; Humans; Luteinizing Hormone; Male; Menopause; Ovary; Ovulation; Polycystic Ovary Syndrome; Pregnancy; Progesterone; Prolactin; Protein Binding; Serum Globulins; Testosterone; Thyrotropin | 1976 |
The clearance rate of maternal plasma prehormones of placental estrogen formation.
Topics: Androstenedione; Dehydroepiandrosterone; Estradiol; Estrogens; Female; Humans; Hypertension; Metabolic Clearance Rate; Placenta; Pre-Eclampsia; Pregnancy; Pregnancy Complications, Cardiovascular; Testosterone | 1976 |
Stimulation of adrogen biosynthesis in rat fetal testes in vitro by gonadotropins.
Topics: Androgens; Androstenedione; Animals; Chorionic Gonadotropin; Dehydroepiandrosterone; Dihydrotestosterone; Female; Follicle Stimulating Hormone; Gonadotropins, Pituitary; Luteinizing Hormone; Male; Pregnancy; Pregnenolone; Progesterone; Rats; Testis; Testosterone | 1977 |
Endocrinology of the blastocyst and its role in the establishment of pregnancy.
Topics: Androstenedione; Animals; Blastocyst; Corpus Luteum; Dehydroepiandrosterone; Endometrium; Estradiol; Estradiol Dehydrogenases; Estrone; Extraembryonic Membranes; Female; Models, Biological; Myometrium; Pregnancy; Pregnenolone; Progesterone; Sulfatases; Swine; Temperature; Time Factors | 1976 |
Metabolism of 4-14C-dehydroepiandrosterone and 4-14C-4-androstene -3, 17-dione by isolated cells of early human placenta.
Topics: Androstenedione; Animals; Cells, Cultured; Dehydroepiandrosterone; Female; Humans; Mice; Placenta; Pregnancy; Pregnancy Trimester, First; Testosterone | 1977 |
Amniotic fluid androgens and estrogens in midgestation.
Topics: Amniotic Fluid; Androgens; Androstenedione; Dehydroepiandrosterone; Estradiol; Estrogens; Estrone; Female; Fetus; Gestational Age; Humans; Male; Pregnancy; Sex Factors; Testosterone | 1977 |
Steroid metabolism in the perfused human placenta. I. Metabolism of dehydroepiandrosterone sulphate.
Topics: Androstenedione; Dehydroepiandrosterone; Estradiol; Estriol; Estrone; Female; Glucose; Humans; Methods; Perfusion; Placenta; Placental Lactogen; Pregnancy | 1978 |
Changes in C19-steroid metabolism by ovine placentas during cortisol administration.
Topics: Androstenedione; Animals; Dehydroepiandrosterone; Estradiol; Estrone; Female; Hydrocortisone; Microsomes; Placenta; Pregnancy; Sheep; Testosterone | 1978 |
Testosterone, dehydroepiandrosterone and 4-androstene-3, 17-dione concentrations in maternal and fetal plasma in the last days of ovine gestation.
Topics: Androstenedione; Animals; Dehydroepiandrosterone; Female; Fetal Blood; Gestational Age; Pregnancy; Pregnancy, Animal; Sheep; Testosterone | 1978 |
Formation of 15alpha-hydroxyestriol and 15alpha-hydroxyestradiol from C19 15alpha-hydroxylated precursors in human pregnancy.
Topics: Androstenedione; Blood Transfusion, Intrauterine; Dehydroepiandrosterone; Erythroblastosis, Fetal; Estradiol; Estriol; Female; Humans; Hydroxysteroids; Injections, Intravenous; Pregnancy; Pregnancy Trimester, Third; Radioisotope Dilution Technique | 1978 |
Endogenous estrogen production in the young.
Topics: Androgens; Androstenedione; Dehydroepiandrosterone; Estradiol; Estriol; Estrogens; Estrone; Female; Fetal Blood; Humans; Infant, Newborn; Male; Pregnancy; Progesterone; Sex Factors; Testosterone | 1978 |
Improved synthesis of 16alpha-hydroxylated androgens: intermediates of estriol formation in pregnancy.
Topics: Androgens; Androstenedione; Animals; Dehydroepiandrosterone; Estriol; Female; Hydroxytestosterones; Magnetic Resonance Spectroscopy; Methods; Oxidation-Reduction; Pregnancy; Spectrophotometry, Infrared | 1978 |
Testosterone production with hydatidiform moles--in vitro and in vivo studies.
Topics: Androstenedione; Dehydroepiandrosterone; Estradiol; Female; Humans; Hydatidiform Mole; In Vitro Techniques; Pregnancy; Testosterone; Trophoblasts; Uterine Neoplasms | 1979 |
[Hormonal dynamics during pregnancy: critical discussion and clinical interpretations].
Topics: Androstenedione; Dehydroepiandrosterone; Estetrol; Estradiol; Female; Humans; Placental Function Tests; Pregnancy; Prenatal Diagnosis; Sulfatases | 1978 |
Interrelationships of circulating maternal steroid concentrations in third trimester pregnancies. II. C18 and C19 steroids: estradiol, estriol, dehydroepiandrosterone, dehydroepiandrosterone sulfate, delta 5-androstenediol, delta 4-androstenedione, testos
Topics: Androgens; Androstenediols; Androstenedione; Dehydroepiandrosterone; Dihydrotestosterone; Estradiol; Estriol; Estrogens; Female; Gonadal Steroid Hormones; Humans; Pregnancy; Pregnancy Trimester, Third; Testosterone | 1979 |
The effect of trophic agents on fetal ovarian steroidogenesis in organ culture.
Topics: Androstenedione; Dehydroepiandrosterone; Estradiol; Estrone; Female; Fetus; Gonadotropin-Releasing Hormone; Humans; Organ Culture Techniques; Ovary; Pregnancy; Progesterone; Steroids; Testosterone | 1979 |
Sequential hormonal changes and activation of the hypothalamic-pituitary-gonadal axis.
Topics: Adolescent; Age Factors; Androstenedione; Child; Child, Preschool; Chorionic Gonadotropin; Dehydroepiandrosterone; Estradiol; Female; Fetal Blood; Gonadal Steroid Hormones; Humans; Hydroxyprogesterones; Hypothalamo-Hypophyseal System; Infant; Luteinizing Hormone; Male; Ovary; Pregnancy; Prolactin; Sex Factors; Testis; Testosterone | 1979 |
The effect of LH/FSH, dibutyryl cyclic AMP, and prostaglandins on the production of estrogens by rabbit granulosa cells in vitro.
Topics: Androstenedione; Animals; Bucladesine; Estradiol; Estrogens; Estrone; Estrus; Female; Follicle Stimulating Hormone; Granulosa Cells; In Vitro Techniques; Luteinizing Hormone; Ovarian Follicle; Pregnancy; Progesterone; Prostaglandins; Prostaglandins E; Prostaglandins F; Rabbits; Radioimmunoassay | 1975 |
Endocrine studies during stimulation-suppression in hirsutism.
Topics: 17-Ketosteroids; Adolescent; Adrenal Cortex Neoplasms; Adult; Amenorrhea; Androgens; Androstenedione; Carcinoma; Chorionic Gonadotropin; Clomiphene; Dexamethasone; Estrogens; Ethinyl Estradiol; Female; Hirsutism; Humans; Hydrocortisone; Ovarian Cysts; Ovarian Neoplasms; Pregnancy; Sertoli-Leydig Cell Tumor; Testosterone; Virilism | 1975 |
Excretion of non-conjugated androstenedione and testosterone in human urine.
Topics: Adult; Androstenedione; Chromatography; Female; Humans; Male; Middle Aged; Pregnancy; Radioimmunoassay; Reference Values; Silicon Dioxide; Testosterone | 1976 |
Oestrogen formation from C19 precursors in human choriocarcinoma in culture.
Topics: Algestone; Androgens; Androstenedione; Bucladesine; Cell Line; Cholesterol; Choriocarcinoma; Clone Cells; Dehydroepiandrosterone; Estradiol; Female; Humans; Hydroxyprogesterones; In Vitro Techniques; Models, Biological; Placenta; Pregnancy; Progesterone; Protein Precursors; Sulfatases; Theophylline; Uterine Neoplasms | 1977 |
Some experiments on the role of the foetal pituitary in the maturation of the foetal adrenal and the induction of parturition in sheep.
Topics: Adrenal Cortex Hormones; Adrenal Glands; Adrenocorticotropic Hormone; Androstenedione; Animals; Corticosterone; Female; Fetal Blood; Fetal Hypoxia; Gestational Age; Hydrocortisone; Hypoxia; Labor, Induced; Labor, Obstetric; Pituitary Gland; Pregnancy; Pregnancy, Animal; Sheep | 1977 |
Virilization of mother and fetus associated with luteoma of pregnancy: a case report with endocrinologic studies.
Topics: Adult; Androstenedione; Dehydroepiandrosterone; Dihydrotestosterone; Estradiol; Estrone; Female; Fetal Blood; Fetal Diseases; Humans; Hydroxyprogesterones; Infant, Newborn; Male; Ovarian Neoplasms; Pregnancy; Pregnancy Complications; Testosterone; Thecoma; Virilism | 1977 |
Adrenocortical function in hyperprolactinemic women.
Topics: Adrenal Cortex Hormones; Adrenocorticotropic Hormone; Amenorrhea; Androstenedione; Bromocriptine; Dehydroepiandrosterone; Female; Galactorrhea; Humans; Hydrocortisone; Pregnancy; Prolactin; Testosterone | 1977 |
Androluteoma syndrome of pregnancy.
Topics: Acne Vulgaris; Adult; Androstenedione; Female; Humans; Ovarian Neoplasms; Pregnancy; Pregnancy Complications; Syndrome; Testosterone; Thecoma; Virilism | 1978 |
Development of the LH-response in fetal guinea pig testes.
Topics: Androstenedione; Animals; Chorionic Gonadotropin; Female; Fetus; Kinetics; Luteinizing Hormone; Male; Organ Culture Techniques; Ovary; Pregnancy; Receptors, Cell Surface; Swine; Testis; Testosterone | 1979 |
Displacement of carbon monoxide from placental cytochrome P-450 by steroids: antagonistic effects of androstenedione and 19-norandrostenedione.
Topics: Androstenedione; Carbon Monoxide; Cytochrome P-450 Enzyme System; Dithionite; Estrenes; Female; Humans; Kinetics; Microsomes; NADP; Nandrolone; Oxidation-Reduction; Placenta; Pregnancy; Time Factors | 1975 |
Estimation of testosterone and androstenedione in the plasma and testes of cryptorchid offspring of mice treated with oestradiol during pregnancy.
Topics: Abnormalities, Drug-Induced; Androstenedione; Animals; Cattle; Cryptorchidism; Dogs; Estradiol; Female; Guinea Pigs; Humans; Male; Maternal-Fetal Exchange; Mice; Pregnancy; Rats; Testis; Testosterone | 1975 |
Blastocyst oestrogen synthesis and the maternal recognition of pregnancy.
Topics: Androstenedione; Animals; Blastocyst; Embryo Implantation; Estradiol; Estrogens; Estrone; Female; Pregnancy; Pregnancy, Animal; Progesterone; Swine | 1978 |
Conversion of androgen to estrogen by the human fetal ovary.
Topics: Androgens; Androstenedione; Embryo, Mammalian; Estradiol; Estrogens; Estrone; Female; Fetus; Gestational Age; Humans; Liver; Male; Ovary; Pregnancy; Testosterone | 1978 |
The control of oestrous behaviour in the mare.
Topics: Androstenedione; Animals; Behavior, Animal; Estrogens; Estrus; Female; Horses; Lactation; Ovulation; Pregnancy; Progesterone; Testosterone | 1979 |
Steroid metabolism of foetal tissues. V. Comparative studies in a 18 trisomic foetus.
Topics: Adrenal Glands; Androstenedione; Brain; Chromosomes, Human, 16-18; Estrone; Female; Fetus; Gonadal Steroid Hormones; Humans; Kidney; Liver; Lung; Male; Oxidation-Reduction; Pregnancy; Pregnenolone; Progesterone; Progestins; Testis; Testosterone; Thymus Gland; Trisomy | 1977 |
In vitro metabolism of [4-14C] androstenedione and [4-14C] testosterone by rabbit placenta.
Topics: Androstenedione; Animals; Carbon Radioisotopes; Carboxylic Ester Hydrolases; Female; Gestational Age; In Vitro Techniques; Oxidoreductases; Placenta; Pregnancy; Rabbits; Testosterone | 1977 |
In vitro conversion of [4-14C]-androstenedione and [4-14C]-testosterone by ovarian tissue of pregnant rabbits.
Topics: Androstenedione; Animals; Corpus Luteum; Estradiol; Estrone; Female; Ovarian Follicle; Ovary; Pregnancy; Pregnancy, Animal; Rabbits; Testosterone; Theca Cells | 1977 |
Control of placental endocrine function; role of enzyme activation in the onset of labour.
Topics: Adrenalectomy; Aldehyde-Lyases; Androstenedione; Animals; Aromatase; Cells, Cultured; Female; Goats; Hormones; Hydroxyprogesterones; Labor, Obstetric; Placenta; Pregnancy; Progesterone; Sheep; Steroid 17-alpha-Hydroxylase; Steroids | 1979 |
[12 cases of polycystic ovary type 1 (Stein-Leventhal syndrome): complete hormonal study (author's transl)].
Topics: Androstane-3,17-diol; Androstenedione; Clomiphene; Dihydrotestosterone; Ethinyl Estradiol; Female; Follicle Stimulating Hormone; Gonadotropin-Releasing Hormone; Humans; Hypothalamo-Hypophyseal System; Luteinizing Hormone; Ovary; Polycystic Ovary Syndrome; Pregnancy; Testosterone | 1978 |
The effect of an aromatase inhibitor, 4-hydroxy-4-androstene-3,17-dione, on estrogen-dependent processes in reproduction and breast cancer.
Topics: 9,10-Dimethyl-1,2-benzanthracene; Androstenedione; Animals; Aromatase Inhibitors; Body Weight; Embryo Implantation; Estrogens; Female; Humans; Male; Mammary Neoplasms, Experimental; Pregnancy; Proestrus; Rats | 1977 |
Steroids in the amniotic fluid of the rhesus monkey (Macaca mulatta).
Topics: Amniotic Fluid; Androstenedione; Animals; Betamethasone; Estradiol; Estrone; Female; Gonadal Steroid Hormones; Haplorhini; Hydrocortisone; Labor, Obstetric; Macaca; Macaca mulatta; Pregnancy; Pregnancy, Animal; Progesterone | 1977 |
[Pituitary-testicular relationships in the rat embryo].
Topics: Androstenedione; Animals; Female; Hypophysectomy; Luteinizing Hormone; Male; Pituitary Gland; Pregnancy; Rats; Testis; Testosterone | 1977 |
Free and protein-bound steroids in amniotic fluid of midpregnancy.
Topics: Adult; Amniotic Fluid; Androstenedione; Estradiol; Estrone; Female; Humans; Male; Pregnancy; Pregnancy Trimester, Second; Progesterone; Protein Binding; Sex Factors; Testosterone | 1979 |
Maternal and amniotic fluid steroids throughout human pregnancy.
Topics: Adrenocortical Hyperfunction; Amniotic Fluid; Androstenedione; Dihydrotestosterone; Estradiol; Female; Gonadal Steroid Hormones; Humans; Hydroxyprogesterones; Infant, Newborn; Male; Placenta Diseases; Pregnancy; Pregnancy Trimester, First; Pregnancy Trimester, Second; Progesterone; Sex Factors; Testosterone | 1979 |
Origin of oestrogen in preimplantation rabbit blastocysts.
Topics: Androstenedione; Animals; Blastocyst; Embryo Implantation; Estrogens; Female; Pregnancy; Progesterone; Testosterone | 1979 |
Metabolism of testosterone by the epithelium and mesenchyme of the rat urogenital sinus.
Topics: Androstane-3,17-diol; Androstenedione; Androsterone; Animals; DNA; Epithelium; Female; Fetus; Gestational Age; Male; Pregnancy; Rats; Testosterone; Urogenital System | 1979 |
Aromatase activity of isolated and recombined hamster granulosa cells and theca.
Topics: Androstenedione; Animals; Aromatase; Cricetinae; Estradiol; Estrone; Female; Granulosa Cells; Ovarian Follicle; Oxidoreductases; Pregnancy; Proestrus; Testosterone; Theca Cells | 1977 |
Alterations in plasma gonadotrophin patterns caused by sodium pentobarbitone in ewes at oestrus and in anoestrous ewes after infusion of oestradiol.
Topics: Androstenedione; Anestrus; Animals; Estradiol; Estrus; Female; Follicle Stimulating Hormone; Luteinizing Hormone; Pentobarbital; Pregnancy; Sheep; Time Factors | 1977 |
Increasing ovulation rate in sheep by active immunisation against an ovarian steroid androstenedione.
Topics: Androstenedione; Animals; Antigen-Antibody Reactions; Estrus; Female; Immunization; Luteinizing Hormone; Ovulation; Pregnancy; Progesterone; Sheep | 1977 |
Pulsatile release of luteinizing hormone and the secretion of ovarian steroids in sheep during anestrus.
Topics: Androstenedione; Anestrus; Animals; Estradiol; Estrus; Female; Kinetics; Luteinizing Hormone; Ovary; Pregnancy; Sheep; Transplantation, Autologous; Uterus | 1977 |
Radioimmunoassay of androstenedione and testosterone in cow plasma at the time of luteolysis and oestrus.
Topics: Androstenedione; Animals; Cattle; Corpus Luteum; Estrus; Female; Pregnancy; Progesterone; Radioimmunoassay; Testosterone | 1978 |
Ovulation and lambing rates in ewes actively immunized against androstenedione.
Topics: Androstenedione; Animals; Female; Immunization; Litter Size; Ovulation; Pregnancy; Sex Ratio; Sheep | 1978 |
Testicular testosterone biosynthesis in male Saanen goats with XX sex chromosomes.
Topics: Androstenedione; Animals; Diseases in Twins; Estradiol; Female; Goats; Hypogonadism; Male; Microsomes; Oxidoreductases; Pregnancy; Progesterone; Semen; Sex Chromosome Aberrations; Testis; Testosterone; Twins, Dizygotic; X Chromosome | 1978 |
Aromatase inhibitors III. Studies on the antifertility effect of 4-acetoxy-4-androstene-3,17-dione.
Topics: Androstenedione; Animals; Aromatase Inhibitors; Copulation; Embryo Implantation; Estradiol; Female; Luteinizing Hormone; Oxidoreductases; Pregnancy; Proestrus | 1978 |
Peripheral blood and ovarian levels of sex steroids in the cyclic hamster.
Topics: Androstenedione; Animals; Corpus Luteum; Cricetinae; Estradiol; Estrone; Estrus; Female; Gonadal Steroid Hormones; Luteinizing Hormone; Mesocricetus; Ovary; Pregnancy; Progesterone; Testosterone | 1978 |
Virilizing effect of testosterone and its metabolites on the urovaginal septum of female fetal rats.
Topics: Androstenedione; Androsterone; Animals; Dose-Response Relationship, Drug; Female; Fetus; Gestational Age; Male; Pregnancy; Rats; Testosterone; Urethra; Vagina; Virilism | 1978 |
In vitro steroidogenesis in corpora lutea and nonluteal ovarian tissues of the cyclic hamster.
Topics: Androgens; Androstenedione; Animals; Corpus Luteum; Cricetinae; Estradiol; Estrogens; Estrone; Estrus; Female; Kinetics; Ovary; Pregnancy; Progesterone; Testosterone | 1978 |
Plasma hormone profile in anovulation.
Topics: Adolescent; Adrenocortical Hyperfunction; Adult; Amenorrhea; Androstenedione; Anovulation; Estradiol; Estrone; Female; Follicle Stimulating Hormone; Galactorrhea; Hirsutism; Hormones; Humans; Luteinizing Hormone; Menstruation; Menstruation Disturbances; Oligomenorrhea; Polycystic Ovary Syndrome; Pregnancy; Progesterone; Testosterone | 1979 |
Relationship between steroidogenesis and oocyte maturation in rat graafian follicles cultured in vitro.
Topics: Androstenedione; Animals; Culture Techniques; Dihydrotestosterone; Estradiol; Estrus; Female; Hydroxyprogesterones; Hypophysectomy; Luteinizing Hormone; Meiosis; Oogenesis; Ovarian Follicle; Pregnancy; Proestrus; Progesterone; Rats; Steroids | 1979 |
Plasma concentrations of luteinizing hormone, follicle-stimulating hormone and progesterone during the breeding season in ewes immunized against androstenedione or testosterone.
Topics: Androstenedione; Animals; Breeding; Estrus; Feedback; Female; Follicle Stimulating Hormone; Immunization; Luteinizing Hormone; Pregnancy; Progesterone; Sheep; Testosterone | 1979 |
[Raised serum PRL and androgen levels associated with hyrsutism, amenorrhoea and galactorrhoea].
Topics: 17-Ketosteroids; Adult; Amenorrhea; Androgens; Androstenedione; Bromocriptine; Female; Galactorrhea; Hirsutism; Humans; Infertility, Female; Lactation Disorders; Pregnancy; Prolactin | 1978 |
Effect of androstenedione on the oestrous cycle of the rat.
Topics: Androstenedione; Animals; Estrus; Female; Follicle Stimulating Hormone; Luteinizing Hormone; Organ Size; Ovary; Ovulation; Pregnancy; Rats | 1979 |
Antibodies to androgens, and ovulation in the ewe.
Topics: Androgens; Androstenedione; Animals; Antibodies; Estrus; Female; Follicle Stimulating Hormone; Luteinizing Hormone; Ovulation; Pregnancy; Sheep; Testosterone | 1979 |
Regulation of 17 beta-estradiol synthesis in the proestrous hamster: role of progesterone and luteinizing hormone.
Topics: Androstenedione; Animals; Cricetinae; Estradiol; Estrus; Female; Follicle Stimulating Hormone; Kinetics; Luteinizing Hormone; Male; Mesocricetus; Ovary; Pregnancy; Proestrus; Progesterone; Prolactin; Testosterone | 1979 |
Androgens in peripheral blood of the red fox (Vulpes vulpes L.) during the reproductive season and the anoestrus.
Topics: Androstenedione; Anestrus; Animals; Cross Reactions; Estrus; Female; Foxes; Pregnancy; Radioimmunoassay; Seasons; Testosterone | 1979 |
Production and metabolism of progesterone and androstenedione by cultured mouse blastocysts.
Topics: Androstenedione; Animals; Blastocyst; Cells, Cultured; Chromatography; Embryonic Development; Female; Hydroxysteroid Dehydrogenases; In Vitro Techniques; Mice; Permeability; Pregnancy; Pregnenolone; Progesterone; Radioimmunoassay | 1977 |
[The effect of betamethasone on maternal serum levels of progesterone, 17-hydroxyprogesterone, androstenedione, estradiol-17 beta, estriol as well as cortisol in the last trimester of pregnancy (proceedings)].
Topics: Androstenedione; Betamethasone; Estradiol; Estriol; Estrogens; Female; Humans; Hydrocortisone; Hydroxyprogesterones; Pregnancy; Pregnancy Trimester, Third; Progesterone; Progestins | 1977 |
Ligand binding to human placental cytochrome P-450: interaction of steroids and heme-binding ligands.
Topics: Androstenedione; Cytochrome P-450 Enzyme System; Female; Heme; Humans; Ligands; Microsomes; Oxidation-Reduction; Placenta; Pregnancy; Protein Binding; Spectrophotometry | 1977 |
Sex differences in fetal gonadotropins and androgens.
Topics: Androstenedione; Chorionic Gonadotropin; Cross Reactions; Dihydrotestosterone; Female; Fetus; Follicle Stimulating Hormone; Gestational Age; Gonadal Steroid Hormones; Humans; Hypothalamo-Hypophyseal System; Infant, Newborn; Infant, Premature; Luteinizing Hormone; Pregnancy; Radioimmunoassay; Sex Factors; Testosterone | 1977 |
Mammary gland differentiation in adult male rat--effect of prenatal exposure to cyproterone acetate.
Topics: Androstenedione; Animals; Aromatase; Cell Differentiation; Cyproterone; Estradiol; Estrogens; Female; Male; Mammary Glands, Animal; Pregnancy; Rats; Receptors, Estrogen | 1977 |
Effects of perinatal androstenedione on sexual differentiation in female rats.
Topics: Androstenedione; Animals; Animals, Newborn; Birth Weight; Castration; Dose-Response Relationship, Drug; Estradiol; Female; Fetus; Litter Size; Maternal-Fetal Exchange; Ovulation; Pregnancy; Progesterone; Rats; Sex Differentiation; Sexual Behavior, Animal; Testosterone; Time Factors | 1978 |
Precursor role of 15alpha-hydroxyestradiol and 15alpha-hydroxyandrostenedione in the formation of estetrol.
Topics: Androstenedione; Estetrol; Estradiol; Estriol; Female; Fetus; Humans; Maternal-Fetal Exchange; Pregnancy; Pregnancy Trimester, Third | 1978 |
Further investigation of the antifertility effects in the rat of the antiprogestational steroid, RMI 12,936, and related compounds.
Topics: Androstenedione; Androstenols; Animals; Castration; Female; Fertility; Methyltestosterone; Pregnancy; Pregnancy Maintenance; Progesterone; Rats; Testosterone Congeners; Uterus | 1978 |
Changes in C21-steroid metabolism by ovine placentas during cortisol administration.
Topics: 17-alpha-Hydroxypregnenolone; Androstenedione; Animals; Estradiol; Estrone; Female; Hydrocortisone; Hydroxyprogesterones; Microsomes; Placenta; Pregnancy; Pregnenolone; Progesterone; Sheep; Testosterone | 1978 |
Secretion of the androgens in the male guinea-pig during the perinatal period.
Topics: Androstenedione; Animals; Animals, Newborn; Castration; Darkness; Dexamethasone; Dihydrotestosterone; Female; Male; Mice; Pregnancy; Radioimmunoassay; Seminal Vesicles; Testis; Testosterone; Vas Deferens | 1978 |
Properties of the aromatase system associated with the mitochondrial fraction of human placenta.
Topics: Androstenedione; Aromatase; Cell Fractionation; Female; Humans; Kinetics; Microsomes; Mitochondria; Oxidoreductases; Placenta; Pregnancy; Substrate Specificity | 1978 |
Circulating hormone levels in a case of granulosa cell tumor.
Topics: 17-Ketosteroids; Abortion, Spontaneous; Adult; Androstenedione; Estradiol; Estrogens; Estrone; Female; Follicle Stimulating Hormone; Gonadotropin-Releasing Hormone; Gonadotropins, Pituitary; Granulosa Cell Tumor; Humans; Hydroxysteroids; Luteinizing Hormone; Ovarian Neoplasms; Pregnancy; Pregnancy Complications; Progesterone; Testosterone | 1976 |
The metabolism of androgens in central neuroendocrine tissues.
Topics: Amygdala; Androstenedione; Animals; Animals, Newborn; Dihydrotestosterone; Estrogens; Female; Fetus; Haplorhini; Hippocampus; Humans; Hypothalamus; Macaca mulatta; Male; Pituitary Gland; Pituitary Gland, Anterior; Pregnancy; Rats; Sex Differentiation; Sex Factors; Species Specificity; Testosterone | 1975 |
Aromatization of delta4-androstene-3,17-dione, 19-hydroxy-delta4-androstene-3,17-dione, and 19-oxo-delta4-androstene-3,17-dione at a common catalytic site in human placental microsomes.
Topics: Androstenedione; Binding Sites; Binding, Competitive; Carbon Radioisotopes; Female; Humans; Isotope Labeling; Kinetics; Mathematics; Microsomes; Placenta; Pregnancy; Tritium | 1977 |
Plasma hormones in human gonadotropin induced ovulation.
Topics: Adult; Androstenedione; Anovulation; Chorionic Gonadotropin; Estradiol; Estrone; Female; Follicle Stimulating Hormone; Gonadal Steroid Hormones; Humans; Infant, Newborn; Infertility, Female; Luteinizing Hormone; Menopause; Menotropins; Pregnancy; Pregnancy, Multiple; Progesterone; Testosterone; Triplets | 1977 |
Localization of estrogen synthetase in the chorionic villus fraction after homogenization of human term placenta.
Topics: Androstenedione; Aromatase; Cell Fractionation; Chorionic Villi; Estrogens; Female; Humans; Microsomes; Oxidoreductases; Placenta; Pregnancy | 1977 |
Accumulation of steroids in rabbit preimplantation blastocysts.
Topics: Androstenedione; Animals; Blastocyst; Embryonic Development; Estradiol; Estrone; Female; Hormones; Pregnancy; Pregnancy, Animal; Progesterone; Rabbits; Testosterone; Uterus | 1977 |
Inhibition of Tamoxifen of the stimulatory action of FSH on oestradiol-17beta synthesis by rat ovaries in vitro.
Topics: Androstenedione; Animals; Culture Techniques; Estradiol; Female; Follicle Stimulating Hormone; Ovary; Pregnancy; Rats; Stilbenes; Tamoxifen; Testosterone | 1977 |
Inhibition of human placental mixed-function oxidations with carbon monoxide: reversal with monochromatic light.
Topics: 2-Acetylaminofluorene; Androstenedione; Benzopyrenes; Carbon Monoxide; Cytochrome P-450 Enzyme Inhibitors; Female; Humans; Kinetics; Light; Microsomes; Mixed Function Oxygenases; Oxidoreductases; Placenta; Pregnancy; Spectrophotometry; Steroids; Structure-Activity Relationship | 1977 |
The conversion of delta 5-steriods to testosterone and androstenedione in human amniotic epithelium in vitro.
Topics: Amnion; Androstenedione; Epithelium; Female; Humans; Isomerases; Pregnancy; Pregnancy Trimester, First; Pregnancy Trimester, Second; Steroid Isomerases; Testosterone | 1977 |
Androstenedione and the control of luteinizing hormone in the ewe during anoestrus.
Topics: Androstenedione; Anestrus; Animals; Castration; Estradiol; Estrus; Feedback; Female; Hysterectomy; Luteinizing Hormone; Ovary; Pregnancy; Serum Albumin, Bovine; Sheep | 1976 |
Endocrine changes associated with luteal regression in the ewe; the secretion of ovarian oestradiol, progesterone and androstenedione and uterine prostaglandin F2alpha throughout the oestrous cycle.
Topics: Androstenedione; Animals; Estradiol; Estrus; Female; Luteolysis; Ovary; Pregnancy; Progesterone; Prostaglandins F; Sheep; Uterus | 1976 |
Pulsatile release of LH and secretion of ovarian steroids in sheep during the luteal phase of the estrous cycle.
Topics: Androstenedione; Animals; Estradiol; Estrus; Female; Gonadal Steroid Hormones; Luteinizing Hormone; Ovary; Pregnancy; Progesterone; Sheep | 1976 |
Proceedings; Excretion of urinary free androstenedione and testosterone.
Topics: Androstenedione; Female; Humans; Male; Pregnancy; Testosterone | 1976 |
Bilateral adrenalectomy of lambs in utero: effects on maternal hormone levels at induced parturition.
Topics: 17-alpha-Hydroxypregnenolone; Adrenal Glands; Adrenalectomy; Androstenedione; Animals; Dexamethasone; Estrogens; Estrone; Female; Hydrocortisone; Pregnancy; Progesterone; Sheep; Time Factors | 1976 |
Steroid 21-hydroxylase activity in the ovary of the snake Storeria dekayi during pregnancy.
Topics: 17-alpha-Hydroxypregnenolone; Androstenedione; Animals; Corpus Luteum; Desoxycorticosterone; Female; Hydroxysteroid Dehydrogenases; Lyases; Ovary; Pregnancy; Pregnancy, Animal; Pregnenolone; Progesterone; Snakes; Steroid Hydroxylases; Steroid Isomerases; Testosterone; Time Factors | 1976 |
Active-site-directed inactivation of aromatase from human placental microsomes by brominated androgen derivatives.
Topics: Androstenedione; Aromatase Inhibitors; Binding Sites; Drug Stability; Female; Humans; Microsomes; Models, Molecular; Molecular Conformation; Oxidoreductases; Placenta; Pregnancy; Protein Binding; Structure-Activity Relationship | 1976 |
Changes in the secretion of ovarian steroid and pituitary luteinizing hormone in the peri-ovulatory period in the ewe: the effect of progesterone.
Topics: Androstenedione; Animals; Drug Implants; Estradiol; Estrus; Female; Luteinizing Hormone; Luteolysis; Ovary; Pregnancy; Progesterone; Prostaglandins F; Sheep; Transplantation, Autologous | 1976 |
Psychological development and blood levels of sex steroids in male identical twins of divergent sexual orientation.
Topics: Adult; Androstenedione; Estradiol; Female; Gonadal Steroid Hormones; Homosexuality; Humans; Male; MMPI; Pregnancy; Psychosexual Development; Sexual Behavior; Testosterone; Twins; Twins, Monozygotic; Wechsler Scales | 1976 |
The source of ovarian oestradiol and androstenedione in the sheep during the luteal phase.
Topics: Androstenedione; Animals; Corpus Luteum; Estradiol; Estrus; Female; Ovary; Pregnancy; Regional Blood Flow; Secretory Rate; Sheep | 1976 |
Cytochrome P-450 and the aromatization of 16alpha-hydroxytestosterone and androstenedione by human placental microsomes.
Topics: Androstenedione; Aromatase; Carbon Monoxide; Cytochrome P-450 Enzyme System; Female; Humans; Hydroxytestosterones; Kinetics; Metyrapone; Microsomes; Placenta; Pregnancy; Spectrophotometry; Testosterone | 1976 |
Plasma testosterone and androstenedione levels during monitored induction of ovulation in infertile women with 'simple' amenorrhoea and with the polycystic ovary syndrome.
Topics: Adolescent; Adult; Amenorrhea; Androstenedione; Chorionic Gonadotropin; Clomiphene; Estradiol; Female; Humans; Infertility, Female; Ovulation; Polycystic Ovary Syndrome; Pregnancy; Progesterone; Testosterone | 1976 |
Concentration of steroids in bovine peripheral plasma during the oestrous cycle and the effect of betamethasone treatment.
Topics: Adrenal Glands; Androstenedione; Animals; Betamethasone; Cattle; Corpus Luteum; Estradiol; Estrus; Female; Gonadal Steroid Hormones; Humans; Hydrocortisone; Pregnancy; Progesterone; Testosterone | 1976 |
Plasma concentration of androstenedione during the bovine oestrous cycle.
Topics: Androstenedione; Animals; Cattle; Chromatography, Gel; Cross Reactions; Estradiol; Estrus; Female; Pregnancy; Testosterone | 1976 |
Androgens in testes and adrenal glands of the fetal pig.
Topics: Adrenal Glands; Androgens; Androstenediol; Androstenedione; Animals; Female; Fetus; Male; Organ Size; Pregnancy; Sex Factors; Testis; Testosterone | 1975 |
The cycle of oestrus, ovulation and plasma levels of hormones in the mare.
Topics: Androstenedione; Animals; Estradiol; Estrone; Estrus; Female; Horses; Luteinizing Hormone; Ovulation; Pregnancy; Progesterone | 1975 |
Oestrus, ovulation and plasma hormones after prostaglandin F2alpha in mares.
Topics: Androstenedione; Animals; Corpus Luteum; Estradiol; Estrone; Estrus; Female; Horses; Luteinizing Hormone; Ovulation; Pregnancy; Progesterone; Prostaglandins F; Time Factors | 1975 |
Luteinizing hormone and androgens in the bovine fetus after gonadotropin-releasing hormone.
Topics: Androstenedione; Animals; Arteries; Cattle; Female; Fetal Blood; Fetus; Gestational Age; In Vitro Techniques; Injections, Intra-Arterial; Luteinizing Hormone; Male; Pituitary Gland; Pituitary Hormone-Releasing Hormones; Placenta; Pregnancy; Stimulation, Chemical; Testis; Testosterone; Time Factors | 1975 |
The effects of dexamethasone on the peripheral plasma concentrations of androstenedione, testosterone and cortisol in the pregnant rhesus monkey.
Topics: Androstenedione; Animals; Depression, Chemical; Dexamethasone; Estradiol; Estrone; Female; Hydrocortisone; Macaca mulatta; Maternal-Fetal Exchange; Pregnancy; Pregnancy, Animal; Rabbits; Radioimmunoassay; Testosterone; Time Factors; Tritium | 1975 |
Serum androstenedione levels during normal and human menopausal gonadotropin-induced human pregnancies.
Topics: Androstenedione; Corpus Luteum; Female; Humans; Hydroxyprogesterones; Luteinizing Hormone; Menotropins; Menstruation; Ovulation; Pregnancy; Pregnancy Trimester, First; Radioimmunoassay | 1975 |
The inhibition of 16-alpha-hydroxytestosterone aromatization by carbon monoxide.
Topics: Androstenedione; Carbon Monoxide; Female; Humans; Hydroxysteroids; Microsomes; Nandrolone; Partial Pressure; Placenta; Pregnancy; Structure-Activity Relationship; Testosterone | 1975 |
Metabolism of testosterone in previable human fetuses.
Topics: Abortion, Therapeutic; Adrenal Glands; Androstane-3,17-diol; Androstenedione; Androsterone; Etiocholanolone; Female; Fetus; Gestational Age; Humans; Liver; Male; Pregnancy; Sex Factors; Stereoisomerism; Testosterone; Umbilical Veins | 1975 |
Proceedings: Evidence of steroid C17, 20 lyase activity in ovine foeto-placental tissue.
Topics: Androstenedione; Animals; Estrone; Female; Fetus; Hydroxysteroids; Ketosteroids; Lyases; Placenta; Pregnancy; Pregnenes; Sheep | 1975 |
The conversion of pregnenolone-7alpha-3H and progesterone-4-14C to estrogens by corpora lutea of menstrual cycles and pregnancy.
Topics: Adult; Androstenedione; Carbon Radioisotopes; Corpus Luteum; Crystallization; Estradiol; Estrogens; Estrone; Female; Humans; Hydroxyprogesterones; In Vitro Techniques; Menstruation; Middle Aged; Pregnancy; Pregnenolone; Progesterone; Tritium | 1975 |
Androgens in the bovine fetus and dam (38567).
Topics: Androstenedione; Animals; Cattle; Female; Genitalia; Gestational Age; Male; Maternal-Fetal Exchange; Placenta; Pregnancy; Pregnancy, Animal; Radioimmunoassay; Sex Factors; Testis; Testosterone; Umbilical Arteries; Umbilical Veins; Uterus | 1975 |
LH effect on the pattern of steroidogenesis in cultured Graafian follicles of the rat: dependence on macromolecular synthesis.
Topics: Adenosine; Androstenedione; Animals; Cells, Cultured; Dactinomycin; DNA; Estradiol; Female; Hydroxyprogesterones; Leucine; Luteinizing Hormone; Ovarian Follicle; Pregnancy; Proestrus; Progesterone; Protein Biosynthesis; Puromycin; Radioimmunoassay; Rats; RNA; Steroids; Time Factors | 1975 |
Testosterone metabolism in benign and malignant breast lesions.
Topics: Adenocarcinoma; Adenofibroma; Adolescent; Adult; Androstenedione; Breast Neoplasms; Carbon Radioisotopes; Cells, Cultured; Dihydrotestosterone; Female; Histocytochemistry; Humans; In Vitro Techniques; Mastitis; Methods; Middle Aged; Pregnancy; Testosterone | 1975 |
Inhibition of placental 3beta-hydroxy-steroid dehydrogenase by naturally occurring steroids. A potential mechanism regulating oestrogen synthesis from unconjugated precursors.
Topics: Androstanes; Androstenediols; Androstenedione; Androstenols; Cholesterol; Corticosterone; Cortisone; Epitestosterone; Estradiol; Estranes; Estriol; Estrone; Female; Humans; Hydrocortisone; Hydroxysteroid Dehydrogenases; Placenta; Pregnancy; Pregnenes; Progesterone; Testosterone | 1975 |
Steroid metabolism of fetal tissues. II. Conversion of androstenedione to estrone.
Topics: Androstenedione; Brain; Culture Techniques; Estradiol; Estrone; Female; Fetus; Humans; Kidney; Liver; Pregnancy | 1975 |
Differential inhibition of androst-4-en-3,17-dione aromatization by carbon monoxide in the presence of estr-4-en-3,17-dione.
Topics: Androstenedione; Binding Sites; Carbon Monoxide; Cytochrome P-450 Enzyme System; Estrenes; Female; Humans; Microsomes; Placenta; Pregnancy; Protein Binding | 1975 |
Post-menopausal estrogen production.
Topics: Androstenedione; Estrogens; Estrone; Female; Humans; Menopause; Pregnancy; Steroid Hydroxylases; Uterus | 1975 |
Metabolism of progesterone by rat ovarian tissue: influence of pregnant mare serum gonadotropin and prolactin.
Topics: Androstane-3,17-diol; Androstenedione; Androsterone; Animals; Chromatography, Thin Layer; Estrus; Female; Gonadotropins, Equine; Isomerism; Ovarian Follicle; Ovary; Ovulation; Pregnancy; Pregnanolone; Progesterone; Prolactin; Rats; Testosterone; Theca Cells | 1975 |
[The experimental studies on the estrogenic activities of 17alpha-ethynyl-17beta-hydroxy-19-norandrost-4-en-3-one (ENT) (author's transl)].
Topics: Androstenedione; Estradiol; Estrone; Ethinyl Estradiol; Female; Humans; Hypothalamus; In Vitro Techniques; Microsomes; Norethindrone; Placenta; Pregnancy; Testosterone | 1975 |
[Influence of gestoses on serum steroid concentrations in mother and infant during and after labor].
Topics: 20-alpha-Dihydroprogesterone; Androstenedione; Estradiol; Estriol; Female; Fetal Blood; Humans; Hydroxyprogesterones; Infant, Newborn; Labor, Obstetric; Pre-Eclampsia; Pregnancy; Progesterone; Steroids | 1975 |
Increased utero-ovarian androstenedione production before parturition in sheep.
Topics: Androstenedione; Animals; Female; Labor, Obstetric; Ovary; Pregnancy; Sheep; Uterus | 1976 |
Pituitary-gonadal relations in infancy: 2. Patterns of serum gonadal steroid concentrations in man from birth to two years of age.
Topics: Adolescent; Adult; Aging; Androstenedione; Child; Child, Preschool; Estradiol; Female; Fetal Blood; Humans; Hydroxyprogesterones; Infant; Infant, Newborn; Male; Pregnancy; Radioimmunoassay; Sex Factors; Testosterone | 1976 |
Activity of steroid C-17,20 lyase in the ovine placenta: effect of exposure to foetal glucocorticoid.
Topics: Androstenedione; Animals; Estradiol; Estrone; Female; Fetus; Glucocorticoids; Hydroxyprogesterones; In Vitro Techniques; Labor, Obstetric; Lyases; Placenta; Pregnancy; Sheep | 1976 |
Serum levels of free androstenedione, testosterone and oestradiol are lower in the follicular phase of conceptional than of non-conceptional cycles after ovarian stimulation with a gonadotrophin-releasing hormone agonist protocol.
Topics: Analysis of Variance; Androstenedione; Buserelin; Carrier Proteins; Enzyme-Linked Immunosorbent Assay; Female; Fertilization in Vitro; Follicular Phase; Humans; Ovulation Induction; Pregnancy; Progesterone; Sex Hormone-Binding Globulin; Testosterone | 1992 |
[Primary amenorrhea revealing micropolycystic ovary syndrome].
Topics: Adolescent; Adult; Amenorrhea; Androstenedione; Clomiphene; Estradiol Congeners; Female; Follicle Stimulating Hormone; Follow-Up Studies; Humans; Luteinizing Hormone; Ovulation Induction; Polycystic Ovary Syndrome; Pregnancy; Progesterone Congeners; Testosterone; Ultrasonography | 1992 |
A radiometric assay method for aromatase activity using [1 beta-3H]16 alpha-hydroxyandrostenedione.
Topics: Androstenedione; Aromatase; Female; Humans; In Vitro Techniques; Isotope Labeling; Microsomes; Placenta; Pregnancy; Streptomyces | 1992 |
[Steroid and protein hormone concentrations in serum and follicular fluid after stimulation for in vitro fertilization].
Topics: Androstenedione; Estradiol; Female; Fertilization in Vitro; Follicle Stimulating Hormone; Follicular Fluid; Gonadal Steroid Hormones; Humans; Infertility, Female; Luteinizing Hormone; Ovulation Induction; Pregnancy; Progesterone; Testosterone | 1992 |
Changes in concentration of serum prolactin during social and reproductive development of the spotted hyaena (Crocuta crocuta).
Topics: Androstenedione; Animals; Carnivora; Female; Hydrocortisone; Lactation; Male; Pregnancy; Prolactin; Radioimmunoassay; Social Dominance | 1992 |
Differential capacity for cholesterol transport and processing in large and small rat luteal cells.
Topics: Adrenodoxin; Androstenedione; Animals; Biological Transport; Blotting, Western; Carrier Proteins; Cells, Cultured; Cholesterol; Cholesterol Side-Chain Cleavage Enzyme; Cytochrome P-450 Enzyme System; Electrophoresis, Polyacrylamide Gel; Female; Ferredoxin-NADP Reductase; Immunohistochemistry; Luteal Cells; Microscopy, Electron; Plant Proteins; Pregnancy; Progesterone; Radioimmunoassay; Rats; Rats, Sprague-Dawley; Steroid 17-alpha-Hydroxylase | 1992 |
Effects of smoking on ovulation induction for assisted reproductive techniques.
Topics: Adult; Androstenedione; Estradiol; Female; Follicle Stimulating Hormone; Follicular Fluid; Humans; Infertility; Menotropins; Oocytes; Ovarian Follicle; Ovulation Induction; Pregnancy; Retrospective Studies; Smoking; Testosterone | 1992 |
Androgenic function in adult rats: influence of the pineal gland of the mother and of the offspring.
Topics: Androstenedione; Animals; Body Weight; Dihydrotestosterone; Female; Male; Organ Size; Photoperiod; Pineal Gland; Pregnancy; Prenatal Exposure Delayed Effects; Radioimmunoassay; Rats; Rats, Sprague-Dawley; Testis; Testosterone | 1992 |
The effect of follicle-maturing drugs on mid-cycle androgen levels in women with normal baseline levels.
Topics: Androgens; Androstenedione; Anovulation; Clomiphene; Female; Humans; Infertility, Female; Menotropins; Menstrual Cycle; Pregnancy | 1992 |
Time-dependent inhibition of human placental aromatase with a 2,19-methyleneoxy-bridged androstenedione.
Topics: Androstenedione; Aromatase Inhibitors; Binding Sites; Binding, Competitive; Female; Humans; Kinetics; Molecular Structure; NADP; Placenta; Pregnancy; Protein Conformation | 1992 |
Hormonal correlates of 'masculinization' in female spotted hyaenas (Crocuta crocuta). 2. Maternal and fetal steroids.
Topics: Androgens; Androstenedione; Animals; Carnivora; Chromatography; Cohort Studies; Dihydrotestosterone; Estrogens; Female; Fetus; Male; Pregnancy; Pregnancy, Animal; Progesterone; Radioimmunoassay; Testosterone | 1992 |
Utilization of maternal and fetal androstenedione for placental estrogen production at mid and late baboon pregnancy.
Topics: Androstenedione; Animals; Embryonic and Fetal Development; Estrogens; Female; Papio; Placenta; Pregnancy | 1992 |
Synthesis and evaluation of a new series of mechanism-based aromatase inhibitors.
Topics: Androstenedione; Animals; Aromatase Inhibitors; Female; Humans; Microsomes; Placenta; Pregnancy; Rats; Rats, Inbred Strains | 1992 |
Androgenic activity in 15-day-old male rats: role of the maternal pineal gland.
Topics: Androgens; Androstenedione; Animals; Female; Light; Male; Maternal-Fetal Exchange; Melatonin; Organ Size; Periodicity; Pineal Gland; Pregnancy; Rats; Rats, Inbred Strains; Testis; Testosterone | 1992 |
Androst-5-ene-7,17-dione: a novel class of suicide substrate of aromatase.
Topics: Androstenedione; Aromatase; Aromatase Inhibitors; Binding, Competitive; Female; Humans; Indicators and Reagents; Kinetics; Magnetic Resonance Spectroscopy; Microsomes; Molecular Structure; Placenta; Pregnancy; Substrate Specificity | 1992 |
Induction of ovarian follicular cysts in the pregnant rat by human chorionic gonadotropin.
Topics: Androstenedione; Animals; Chorionic Gonadotropin; Cyclic AMP; Dose-Response Relationship, Drug; Estradiol; Female; Follicular Cyst; Luteinizing Hormone; Ovarian Diseases; Ovary; Pregnancy; Pregnancy, Animal; Progesterone; Radioimmunoassay; Rats; Rats, Inbred Strains | 1991 |
Comparison of aromatase activity in human prostatic, testicular and placental tissues.
Topics: Androstenedione; Animals; Aromatase; Aromatase Inhibitors; Carcinoma; Female; Humans; Male; Microsomes; Placenta; Pregnancy; Prostate; Prostatic Hyperplasia; Prostatic Neoplasms; Rats; Testis; Tissue Distribution | 1991 |
Isolation, characterization, and culture of cell subpopulations forming the pregnant rat corpus luteum.
Topics: Androstenedione; Animals; Aromatase; Cell Separation; Cells, Cultured; Centrifugation; Cholesterol Side-Chain Cleavage Enzyme; Corpus Luteum; DNA; Estradiol; Female; Kinetics; Luteinizing Hormone; Pregnancy; Pregnancy, Animal; Progesterone; Rats; Receptors, Gonadotropin; Receptors, Prolactin; Testosterone | 1992 |
Aromatase inhibition by 7-substituted steroids in human choriocarcinoma cell culture.
Topics: Androstenedione; Aromatase Inhibitors; Cell Line; Choriocarcinoma; Female; Humans; Kinetics; Placenta; Pregnancy; Structure-Activity Relationship; Uterine Neoplasms | 1992 |
The influence of fetal adrenals on the androgen levels during brain differentiation in human subjects and rats.
Topics: Adrenal Glands; Androgens; Androstenedione; Animals; Brain; Cell Differentiation; Female; Fetus; Humans; Morphogenesis; Pregnancy; Radioimmunoassay; Rats; Stress, Psychological; Testosterone | 1991 |
Androgen synthesis in human fetal testis exposed in utero to a combination of norethindrone acetate and ethinyl estradiol.
Topics: Androgens; Androstenedione; Ethinyl Estradiol; Female; Humans; Leydig Cells; Male; Maternal-Fetal Exchange; Microscopy, Electron; Multienzyme Complexes; Norethindrone; Norethindrone Acetate; Pregnancy; Progesterone Reductase; Steroid Isomerases; Testis; Testosterone | 1991 |
Longitudinal assessment of changes in reproductive hormones during normal pregnancy.
Topics: Androgens; Androstenedione; Dehydroepiandrosterone; Estradiol; Female; Gonadal Steroid Hormones; Humans; Hydroxyprogesterones; Longitudinal Studies; Male; Pregnancy; Progesterone; Prolactin; Reference Values; Sex Hormone-Binding Globulin | 1991 |
Comparison of the adverse effects of adrenal and ovarian steroids on early pregnancy in mice.
Topics: Androstenedione; Animals; Corticosterone; Dehydroepiandrosterone; Dose-Response Relationship, Drug; Estradiol; Female; Injections, Subcutaneous; Mice; Mice, Inbred C57BL; Pregnancy; Pregnancy, Animal | 1991 |
Estrogen synthetase (aromatase). The cytochrome P-450 component of the human placental enzyme is a glycoprotein.
Topics: Androstenedione; Aromatase; Carbohydrates; Concanavalin A; Cytochrome P-450 Enzyme System; Female; Glycoproteins; Glycosylation; Humans; Mannosyl-Glycoprotein Endo-beta-N-Acetylglucosaminidase; Molecular Weight; Placenta; Pregnancy; Protein Processing, Post-Translational; Substrate Specificity; Testosterone | 1991 |
Serum bioactive follicle-stimulating hormone-like activity in human pregnancy is a methodological artifact.
Topics: Androstenedione; Animals; Aromatase Inhibitors; Artifacts; Biological Assay; Cells, Cultured; Estradiol; Female; Follicle Stimulating Hormone; Humans; Kinetics; Male; Pregnancy; Rats; Rats, Inbred Strains; Sertoli Cells | 1991 |
Influence of the fetus and estrogen on maternal serum growth hormone, insulin-like growth factor-II, and epidermal growth factor concentrations during baboon pregnancy.
Topics: Androstenedione; Animals; Epidermal Growth Factor; Estradiol; Estrogens; Female; Fetus; Growth Hormone; Insulin-Like Growth Factor II; Papio; Placenta; Pregnancy; Trophoblasts | 1991 |
Relationship of follicular fluid prorenin to oocyte maturation, steroid levels, and outcome of in vitro fertilization.
Topics: Androstenedione; Chorionic Gonadotropin; Embryo Transfer; Enzyme Precursors; Estradiol; Female; Fertilization in Vitro; Follicular Fluid; Gonadal Steroid Hormones; Humans; Oocytes; Pregnancy; Progesterone; Renin; Testosterone | 1991 |
Regulation of placental low density lipoprotein uptake in baboons by estrogen.
Topics: Androstenedione; Animals; Biological Transport; Cesarean Section; Drug Implants; Estradiol; Female; Fetus; Lipoproteins, LDL; Papio; Placenta; Pregnancy; Reference Values | 1991 |
'Slow-binding' sixth-ligand inhibitors of cytochrome P-450 aromatase. Studies with 19-thiomethyl- and 19-azido-androstenedione.
Topics: Androstenedione; Aromatase; Aromatase Inhibitors; Binding Sites; Female; Humans; Kinetics; Ligands; Mathematics; Microsomes; Placenta; Pregnancy; Protein Binding | 1991 |
Effect of estrogen inhibitors on conceptus estrogen synthesis and development in the gilt.
Topics: Acid Phosphatase; Androstenedione; Animals; Aromatase Inhibitors; Blastocyst; Calcium; Clomiphene; Dose-Response Relationship, Drug; Electrophoresis, Gel, Two-Dimensional; Embryonic and Fetal Development; Estrogen Antagonists; Estrogens; Female; Least-Squares Analysis; Piperidines; Pregnancy; Pregnancy Proteins; Pregnancy, Animal; Pyrimidines; Raloxifene Hydrochloride; Swine | 1991 |
Inhibition of human placental aromatase by novel homologated 19-oxiranyl and 19-thiiranyl steroids.
Topics: Androstenedione; Aromatase Inhibitors; Epoxy Compounds; Female; Heterocyclic Compounds; Humans; Indicators and Reagents; Kinetics; Magnetic Resonance Spectroscopy; Models, Molecular; Molecular Conformation; Molecular Structure; Placenta; Pregnancy; Spectrophotometry, Infrared; Structure-Activity Relationship; X-Ray Diffraction | 1991 |
6 alpha,7 alpha-cyclopropane derivatives of androst-4-ene: a novel class of competitive aromatase inhibitors.
Topics: Androstenedione; Androstenes; Aromatase Inhibitors; Binding, Competitive; Cyclopropanes; Female; Humans; Indicators and Reagents; Kinetics; Microsomes; Placenta; Pregnancy; Structure-Activity Relationship | 1991 |
11 beta-hydroxyandrostenedione in human amniotic fluid.
Topics: Adrenal Hyperplasia, Congenital; Amniotic Fluid; Androstenedione; Female; Humans; Male; Pregnancy; Prenatal Diagnosis; Reference Values | 1990 |
Competitive inhibition and suicide inactivation of human placental aromatase by androst-4-ene-3,6-dione derivatives and 3 alpha-methoxyandrost-4-ene-6,17-dione.
Topics: Androstenedione; Aromatase Inhibitors; Binding Sites; Female; Humans; Placenta; Pregnancy; Structure-Activity Relationship | 1990 |
7-substituted steroidal aromatase inhibitors: structure-activity relationships and molecular modeling.
Topics: Androstenedione; Aromatase Inhibitors; Female; Humans; Kinetics; Microsomes; Models, Molecular; Molecular Conformation; Placenta; Pregnancy; Structure-Activity Relationship | 1990 |
Synthesis of 2,2-dimethyl-4-hydroxy-4-androstene-3,17-dione as an inhibitor of aromatase.
Topics: Androstenedione; Aromatase Inhibitors; Binding, Competitive; Female; Humans; Kinetics; Microsomes; Molecular Structure; Placenta; Pregnancy; Structure-Activity Relationship | 1990 |
Human 3 beta-hydroxysteroid dehydrogenase/delta 5----4isomerase from placenta: expression in nonsteroidogenic cells of a protein that catalyzes the dehydrogenation/isomerization of C21 and C19 steroids.
Topics: 17-alpha-Hydroxypregnenolone; 17-alpha-Hydroxyprogesterone; 3-Hydroxysteroid Dehydrogenases; Amino Acid Sequence; Androstenedione; Base Sequence; Dehydroepiandrosterone; DNA; Female; Gene Expression; Humans; Hydroxyprogesterones; Immunoblotting; Isomerases; Microsomes; Molecular Sequence Data; Multienzyme Complexes; NAD; Placenta; Pregnancy; Pregnenolone; Progesterone; Progesterone Reductase; Steroid Isomerases; Transfection; Tumor Cells, Cultured | 1990 |
Reversible inhibition of human placental microsomal aromatase by CGS 18320B and other non-steroidal compounds.
Topics: Androstenedione; Aromatase Inhibitors; Binding Sites; Binding, Competitive; Fadrozole; Female; Glutethimide; Humans; Imidazoles; Kinetics; Microsomes; Molecular Structure; Nitriles; Placenta; Pregnancy | 1990 |
[Pelviscopic use of the CO2 laser in the treatment of polycystic ovary syndrome].
Topics: Androstenedione; Female; Follow-Up Studies; Humans; Infertility, Female; Laparoscopes; Laser Therapy; Polycystic Ovary Syndrome; Pregnancy; Testosterone | 1990 |
Effects of DHA-S on placental 3 beta-hydroxysteroid dehydrogenase activity, progesterone and 20 alpha-dihydroprogesterone concentrations in placenta and serum.
Topics: 20-alpha-Dihydroprogesterone; 3-Hydroxysteroid Dehydrogenases; Androstenedione; Dehydroepiandrosterone; Dehydroepiandrosterone Sulfate; Estradiol; Female; Gas Chromatography-Mass Spectrometry; Humans; In Vitro Techniques; Maternal-Fetal Exchange; Placenta; Pregnancy; Progesterone | 1990 |
Endocrine determinants of fertility: serum androgen concentrations during follow-up of adolescents into the third decade of life.
Topics: Adolescent; Adult; Aging; Androstenedione; Body Mass Index; Child; Dehydroepiandrosterone; Dehydroepiandrosterone Sulfate; Female; Fertility; Follicle Stimulating Hormone; Humans; Longitudinal Studies; Luteinizing Hormone; Pregnancy; Sex Hormone-Binding Globulin; Sexual Behavior; Testosterone | 1990 |
The use of stable isotopes and gas chromatography/mass spectrometry in the identification of steroid metabolites in the equine.
Topics: Allantois; Androgens; Androstenediol; Androstenedione; Animals; Chorion; Dehydroepiandrosterone; Deuterium; Estradiol; Female; Gas Chromatography-Mass Spectrometry; Horses; Isotope Labeling; Male; Nandrolone; Placenta; Pregnancy; Testis; Testosterone | 1990 |
Hormonal and clinical effects of multifollicular puncture and resection on the ovaries of polycystic ovary syndrome.
Topics: Androstenedione; Dehydroepiandrosterone; Dehydroepiandrosterone Sulfate; Estradiol; Estrone; Female; Follicle Stimulating Hormone; Humans; Luteinizing Hormone; Ovarian Follicle; Ovary; Ovulation Induction; Polycystic Ovary Syndrome; Pregnancy; Punctures; Testosterone | 1990 |
A comparison of methods measuring aromatase activity in human placenta and rat ovary.
Topics: Androstenedione; Animals; Aromatase; Aromatase Inhibitors; Autoradiography; Carbon Radioisotopes; Chromatography, Thin Layer; Estrogen Antagonists; Estrus; Fadrozole; Female; Humans; Imidazoles; Kinetics; Microsomes; Nitriles; Ovary; Placenta; Pregnancy; Rats; Rats, Inbred Strains; Tritium | 1990 |
Enzyme interactions of 2,10-ethanoandrostene-3,17-dione: aromatase and 17 beta-hydroxysteroid dehydrogenase.
Topics: 17-Hydroxysteroid Dehydrogenases; Androstenedione; Aromatase Inhibitors; Female; Humans; In Vitro Techniques; Microsomes; Placenta; Pregnancy; Substrate Specificity | 1990 |
Stable expression of human aromatase complementary DNA in mammalian cells: a useful system for aromatase inhibitor screening.
Topics: Aminoglutethimide; Androstenedione; Animals; Aromatase; Aromatase Inhibitors; Base Sequence; Blotting, Southern; Cricetinae; Cricetulus; DNA; Female; Gene Expression; Humans; Kinetics; Molecular Sequence Data; Ovary; Placenta; Plasmids; Polymerase Chain Reaction; Pregnancy; Transfection; Tumor Cells, Cultured | 1990 |
Inhibition of aromatase activity by 8-bromo-cyclic adenosine monophosphate in cultured first-trimester human trophoblast.
Topics: 8-Bromo Cyclic Adenosine Monophosphate; Androstenedione; Aromatase Inhibitors; Cells, Cultured; Chorionic Gonadotropin; Estradiol; Estrone; Female; Humans; Placental Lactogen; Pregnancy; Pregnancy Trimester, First; Progesterone; Testosterone; Trophoblasts | 1990 |
Activation of the baboon fetal hypothalamic-pituitary-adrenocortical axis at midgestation by estrogen-induced changes in placental corticosteroid metabolism.
Topics: Adrenal Cortex Hormones; Androstenedione; Animals; Carbon Radioisotopes; Cortisone; Dose-Response Relationship, Drug; Estrogens; Female; Fetus; Hydrocortisone; Hypothalamo-Hypophyseal System; Papio; Pituitary-Adrenal System; Placenta; Pregnancy; Tritium | 1990 |
4-Aminoandrostenedione derivatives: a novel class of irreversible aromatase inhibitors. Comparison with FCE 24304 and 4-hydroxyandrostenedione.
Topics: Androstadienes; Androstenedione; Animals; Aromatase Inhibitors; Female; Male; Pregnancy; Rats; Rats, Inbred Strains | 1990 |
Synthesis of 19-hydroxy-[7-2H2]androstenedione for human metabolism studies.
Topics: Androstenediol; Androstenedione; Deuterium; Female; Humans; Pregnancy | 1990 |
Regulation of 11 beta-hydroxysteroid dehydrogenase activity in the baboon placenta by estrogen.
Topics: 11-beta-Hydroxysteroid Dehydrogenases; Androstenedione; Animals; Cortisone; Estradiol; Estrogens; Female; Hydrocortisone; Hydroxysteroid Dehydrogenases; Organ Size; Oxidation-Reduction; Papio; Placenta; Pregnancy; Progesterone | 1990 |
Serum level of 19-hydroxyandrostenedione during pregnancy and at delivery determined by gas chromatography/mass spectrometry.
Topics: Androstenedione; Deuterium; Female; Fetal Blood; Gas Chromatography-Mass Spectrometry; Humans; Labor, Obstetric; Male; Placenta; Pregnancy; Reference Standards; Steroids | 1990 |
Conversion of 19-oxo[2 beta-2H]androgens into oestrogens by human placental aromatase. An unexpected stereochemical outcome.
Topics: Androstenedione; Aromatase; Chemical Phenomena; Chemistry; Estrogens; Female; Humans; Hydroxytestosterones; Magnetic Resonance Spectroscopy; Microsomes; NADP; Placenta; Pregnancy; Stereoisomerism; Testosterone | 1990 |
Influence of cortisol and different steroidogenic pathways on estrogen synthesis by the bovine placenta.
Topics: Androstenedione; Animals; Cattle; Chorionic Villi; Culture Techniques; Estrogens; Female; Hydrocortisone; Placenta; Pregnancy; Pregnenolone; Time Factors | 1990 |
The relationship of conceptus number and fetal sex to maternal serum testosterone concentration in the rat.
Topics: Androstenedione; Animals; Female; Litter Size; Male; Pregnancy; Pregnancy, Animal; Progesterone; Rats; Rats, Inbred Strains; Sex Factors; Testosterone | 1990 |
Interconversion of cortisol and cortisone in baboon trophoblast and decidua cells in culture.
Topics: 11-beta-Hydroxysteroid Dehydrogenases; Androstenedione; Animals; Cells, Cultured; Cortisone; Decidua; Estrogens; Female; Hydrocortisone; Hydroxysteroid Dehydrogenases; Oxidation-Reduction; Papio; Pregnancy; Trophoblasts | 1990 |
Elevated beta-human chorionic gonadotropin and testosterone in cord serum of male infants of diabetic mothers.
Topics: Androstenedione; Chorionic Gonadotropin; Chorionic Gonadotropin, beta Subunit, Human; Dihydrotestosterone; Female; Fetal Blood; Humans; Infant, Newborn; Male; Peptide Fragments; Pregnancy; Pregnancy in Diabetics; Sex Factors; Testosterone | 1985 |
Elevated concentrations of the beta-subunit of human chorionic gonadotropin and testosterone in the amniotic fluid of gestations of diabetic mothers.
Topics: Amniotic Fluid; Androstenedione; Chorionic Gonadotropin; Chorionic Gonadotropin, beta Subunit, Human; Dihydrotestosterone; Estradiol; Estrone; Female; Gestational Age; Humans; Hyperplasia; Infant, Newborn; Leydig Cells; Luteal Cells; Male; Peptide Fragments; Pregnancy; Pregnancy in Diabetics; Testosterone; Theca Cells | 1986 |
Lack of ovarian responsiveness to gonadotropic hormones in infantile rats sterilized with busulfan.
Topics: 1-Methyl-3-isobutylxanthine; Androstenedione; Animals; Busulfan; Cyclic AMP; Estradiol; Female; Follicle Stimulating Hormone; Luteinizing Hormone; Maternal-Fetal Exchange; Ovary; Pregnancy; Progesterone; Rats; Rats, Inbred Strains | 1986 |
Aromatase inhibition and experimental antitumor activity of FCE 24304, MDL 18962 and SH 489.
Topics: 9,10-Dimethyl-1,2-benzanthracene; Androstadienes; Androstenedione; Animals; Antineoplastic Agents; Aromatase Inhibitors; Female; Humans; Luteinizing Hormone; Male; Mammary Neoplasms, Experimental; Microsomes; Orchiectomy; Ovary; Pargyline; Placenta; Pregnancy; Rats; Rats, Inbred Strains; Reference Values | 1989 |
Ethanol-induced delayed male puberty in mice is not due to impaired Leydig cell function.
Topics: Aging; Androstenedione; Animals; Chorionic Gonadotropin; Dihydrotestosterone; Ethanol; Female; In Vitro Techniques; Leydig Cells; Male; Mice; Mice, Inbred Strains; Organ Size; Pregnancy; Proteins; Sexual Maturation; Testis; Testosterone | 1989 |
Testosterone production by the prepubertal mouse testis is not depressed by ethanol.
Topics: Aging; Androstenedione; Animals; Chorionic Gonadotropin; Dihydrotestosterone; Ethanol; Female; In Vitro Techniques; Leydig Cells; Male; Mice; Mice, Inbred Strains; Pregnancy; Protein Biosynthesis; Sexual Maturation; Testis; Testosterone | 1989 |
Regulation of the 3 beta-hydroxysteroid dehydrogenase activity in tissue fragments and microsomes from human term placenta: kinetic analysis and inhibition by steroids.
Topics: 3-Hydroxysteroid Dehydrogenases; Androstenedione; Binding, Competitive; Dehydroepiandrosterone; Estradiol; Estriol; Estrone; Female; Gonadal Steroid Hormones; Humans; Kinetics; Microsomes; Placenta; Pregnancy; Pregnenolone; Progesterone; Testosterone | 1989 |
Sex-specific effects on the fetal neuroendocrine system during acute stress in late pregnancy of rat and the influence of a simultaneous treatment by tyrosine.
Topics: Androstenedione; Animals; beta-Endorphin; Catecholamines; Corticosterone; Female; Gonadotropin-Releasing Hormone; Hypothalamus; Luteinizing Hormone; Male; Neurosecretory Systems; Pituitary Hormone-Releasing Hormones; Pregnancy; Prenatal Exposure Delayed Effects; Rats; Rats, Inbred Strains; Restraint, Physical; Sex Factors; Stress, Psychological; Tyrosine | 1989 |
Effect of estrogen on pituitary peptide-induced dehydroepiandrosterone secretion in the baboon fetus at midgestation.
Topics: Adrenocorticotropic Hormone; Androstenedione; Animals; Dehydroepiandrosterone; Dehydroepiandrosterone Sulfate; Female; Fetal Blood; Fetus; Papio; Pregnancy; Prolactin; Reference Values | 1989 |
3 beta-hydroxyandrost-4-en-6-one derivatives as aromatase inhibitors.
Topics: Androstenedione; Androstenols; Aromatase Inhibitors; Chemical Phenomena; Chemistry; Female; Humans; In Vitro Techniques; Placenta; Pregnancy; Time Factors | 1989 |
Correlation between follicular fluid content and the results of in vitro fertilization and embryo transfer. I. Sex steroids.
Topics: Androstenedione; Embryo Transfer; Estradiol; Estrone; Female; Fertilization in Vitro; Follicular Fluid; Humans; Oocytes; Pregnancy; Progesterone; Proteins; Testosterone | 1989 |
Plasma 19-hydroxyandrostenedione and androstenedione levels in hydatidiform moles and early pregnancies with and without hypertensive diseases.
Topics: Androstenedione; Female; Humans; Hydatidiform Mole; Hypertension; Pregnancy; Pregnancy Complications, Cardiovascular; Uterine Neoplasms | 1989 |
Follicular fluid steroid content and in vitro steroid secretion by granulosa-lutein cells from individual follicles among different stimulation protocols for in vitro fertilization-embryo transfer.
Topics: Androstenedione; Embryo Transfer; Estradiol; Female; Fertilization in Vitro; Follicular Fluid; Granulosa Cells; Humans; Oocytes; Ovarian Follicle; Ovulation Induction; Pregnancy; Progesterone | 1989 |
[Clinical significance of serum androstenedione analysis in endocrine tests of the adrenal cortex].
Topics: Adrenal Cortex Function Tests; Adrenal Hyperplasia, Congenital; Androstenedione; Female; Humans; Male; Pregnancy; Radioimmunoassay; Reference Values; Specimen Handling | 1989 |
The effect of active immunization of ewes against androstenedione on lambing rate and production.
Topics: Androstenedione; Animals; Female; Immunization; Pregnancy; Reproduction; Sheep | 1989 |
Tritium release from [19-3H]-19,19-difluoroandrost-4-ene-3,17-dione during inactivation of aromatase.
Topics: Androstenedione; Aromatase Inhibitors; Female; Humans; Kinetics; Magnetic Resonance Spectroscopy; Microsomes; Placenta; Pregnancy; Radioisotope Dilution Technique; Tritium | 1989 |
Metabolism of androstenedione by placental microsomes in pregnancy hypertension.
Topics: Androstenedione; Female; Humans; Hypertension; Microsomes; Oxidation-Reduction; Placenta; Pregnancy; Pregnancy Complications, Cardiovascular | 1989 |
19-Hydroxy-4-androsten-17-one: potential competitive inhibitor of estrogen biosynthesis.
Topics: Androstenedione; Androsterone; Aromatase Inhibitors; Binding Sites; Binding, Competitive; Catalysis; Estrogens; Female; Humans; Kinetics; Microsomes; Placenta; Pregnancy; Structure-Activity Relationship | 1989 |
Brain aromatase activity and behavioral consequences in the male rat treated in utero with 4-hydroxy-androstenedione.
Topics: Androstenedione; Animals; Aromatase; Brain; Female; Genitalia, Male; Hypothalamus; Male; Maternal-Fetal Exchange; Pregnancy; Preoptic Area; Rats; Rats, Inbred Strains; Sex Differentiation; Sexual Behavior, Animal; Testosterone | 1989 |
Effect of a 48-hour intravenous delta 4-androstenedione infusion on the pregnant rhesus monkey in the last third of gestation: changes in maternal plasma estradiol concentrations and myometrial contractility.
Topics: Androstenedione; Animals; Electromyography; Estradiol; Fat Emulsions, Intravenous; Female; Infusions, Intravenous; Macaca mulatta; Pregnancy; Pregnancy, Animal; Radioimmunoassay; Time Factors; Uterine Contraction | 1989 |
Evidence for separate sites for aromatisation of androstenedione and 16 alpha-hydroxyandrostenedione in human placental microsomes.
Topics: Androstenedione; Aromatase; Aromatase Inhibitors; Estradiol; Estriol; Estrone; Female; Humans; Hydroxyestrones; In Vitro Techniques; Kinetics; Microsomes; Placenta; Pregnancy; Radioimmunoassay | 1989 |
[The newly developed method of 19-OH-A as intermediate of estrone biosynthesis by GC-MS].
Topics: Androstenedione; Chemical Phenomena; Chemistry; Estrone; Female; Fetal Blood; Gas Chromatography-Mass Spectrometry; Humans; Hypertension; Labor, Obstetric; Placenta; Pregnancy; Pregnancy Complications, Cardiovascular | 1989 |
Human trophoblast xenografts in athymic mice: a model for peripheral aromatization.
Topics: Androstenedione; Animals; Aromatase Inhibitors; Choriocarcinoma; Female; Humans; Mice; Mice, Inbred BALB C; Mice, Nude; Neoplasm Transplantation; Ovary; Pargyline; Pregnancy; Tissue Distribution; Tumor Cells, Cultured | 1989 |
Inhibition and time-dependent inactivation of human placental aromatase by 3-oxo-17 beta-carboxamido steroids.
Topics: Androstenedione; Aromatase Inhibitors; Azasteroids; Dihydrotestosterone; Female; Humans; In Vitro Techniques; Microsomes; Placenta; Pregnancy; Steroids | 1989 |
Fast liquid chromatographic assay of androgen aromatase activity.
Topics: Androstenedione; Aromatase; Chromatography, Liquid; Estradiol; Estrone; Female; Humans; Microsomes; Placenta; Pregnancy; Testosterone | 1989 |
Recurrent androgenicity in pregnancy: a case report and literature review.
Topics: Adult; Androstenedione; Chorionic Gonadotropin; Female; Hirsutism; Humans; Ovarian Neoplasms; Pregnancy; Pregnancy Complications; Pregnancy Complications, Neoplastic; Recurrence; Testosterone; Thecoma; Virilism | 1987 |
Differential effects of 8-bromo-cyclic AMP on human chorionic gonadotropin (hCG), progesterone and estrogen production by term placental cells.
Topics: 8-Bromo Cyclic Adenosine Monophosphate; Androstenedione; Cells, Cultured; Chorionic Gonadotropin; Cyclic AMP; Estradiol; Estrogens; Female; Gestational Age; Humans; Placenta; Pregnancy; Progesterone; Testosterone | 1988 |
Development of preovulatory follicles expected to form short-lived corpora lutea in beef cows.
Topics: Androstenedione; Animals; Body Fluids; Cattle; Corpus Luteum; Estradiol; Estrus; Female; Granulosa Cells; Ovarian Follicle; Postpartum Period; Pregnancy; Receptors, FSH; Receptors, LH; Theca Cells | 1989 |
The effect of estrogen on androstenedione production by rat placental cells in vitro.
Topics: Androstenedione; Animals; Cells, Cultured; Centrifugation, Density Gradient; Diethylstilbestrol; Estrogens; Female; Placenta; Pregnancy; Pregnenolone; Progesterone; Radioimmunoassay; Rats; Rats, Inbred Strains | 1989 |
Regulation of progesterone formation by human placental cells in culture.
Topics: Androstenedione; Cells, Cultured; Dehydroepiandrosterone; Dihydrotestosterone; DNA; Estradiol; Estrogen Antagonists; Ethamoxytriphetol; Female; Humans; Placenta; Pregnancy; Progesterone; Time Factors | 1986 |
Substrate utilization for estrogen synthesis by human fetal membranes and decidua.
Topics: Androstenedione; Cesarean Section; Decidua; Dehydroepiandrosterone; Dehydroepiandrosterone Sulfate; Estradiol; Estrone; Extraembryonic Membranes; Female; Humans; Labor, Obstetric; Pregnancy; Testosterone | 1986 |
Effects of cyclic adenosine monophosphate on human chorionic gonadotropin and estradiol output by cultured human placental cells.
Topics: 8-Bromo Cyclic Adenosine Monophosphate; Androstenedione; Cells, Cultured; Chorionic Gonadotropin; Dehydroepiandrosterone; Dehydroepiandrosterone Sulfate; Estradiol; Female; Humans; In Vitro Techniques; Placenta; Pregnancy; Testosterone; Trophoblasts | 1988 |
Changes in the pattern of androgen formation in vitro by the baboon fetal adrenal gland at mid- and late gestation.
Topics: Adrenal Glands; Androstenedione; Animals; Body Weight; Dehydroepiandrosterone; Dehydroepiandrosterone Sulfate; Female; Fetus; Gestational Age; Male; Organ Size; Papio; Pregnancy; Radioimmunoassay | 1987 |
Testosterone, androstenedione, dehydroepiandrosterone sulfate, and sex-hormone-binding globulin in pregnant alcohol abusers.
Topics: Adult; Alcoholism; Androstenedione; Dehydroepiandrosterone; Dehydroepiandrosterone Sulfate; Female; Fetal Alcohol Spectrum Disorders; Humans; Pregnancy; Pregnancy Complications; Sex Hormone-Binding Globulin; Smoking; Testosterone | 1988 |
[Correlation of maternal androgens in early and late pregnancy. A correlation with fetal size and sex].
Topics: 17-alpha-Hydroxyprogesterone; Adult; Androgens; Androstenedione; Dehydroepiandrosterone; Female; Fetal Growth Retardation; Gestational Age; Humans; Hydroxyprogesterones; Infant, Newborn; Male; Maternal-Fetal Exchange; Pregnancy; Sex Differentiation; Sex Hormone-Binding Globulin; Testosterone | 1988 |
Androstenedione metabolism in the late gestation sheep fetus.
Topics: Adrenal Glands; Adrenocorticotropic Hormone; Androstenedione; Animals; Estrone; Female; Fetal Blood; Fetus; Gestational Age; Metabolic Clearance Rate; Metyrapone; Pregnancy; Testosterone; Umbilical Arteries; Umbilical Veins | 1986 |
Partial purification and characterization of cytochrome P-450 from human placenta.
Topics: Androstenedione; Animals; Benzopyrenes; Chromatography, Gel; Coumarins; Cytochrome P-450 Enzyme System; Female; Humans; Mice; Microsomes; NADPH-Ferrihemoprotein Reductase; Nonoxynol; Placenta; Polyethylene Glycols; Pregnancy | 1985 |
Anovulation in postpartum suckled beef cows. II. Associations among binding of 125I-labeled gonadotropins to granulosa and thecal cells, and concentrations of steroids in serum and various sized ovarian follicles.
Topics: Androstenedione; Animals; Anovulation; Cattle; Cattle Diseases; Chorionic Gonadotropin; Estradiol; Female; Follicle Stimulating Hormone; Gonadotropins, Pituitary; Granulosa Cells; Luteinizing Hormone; Ovarian Follicle; Postpartum Period; Pregnancy; Pregnancy, Animal; Progesterone; Receptors, Cell Surface; Receptors, LHRH; Theca Cells | 1986 |
Polyploid abnormalities in day 3 and day 5 merino sheep embryos.
Topics: Androstenedione; Animals; Chromosome Aberrations; Chromosome Disorders; Female; Fetal Death; Follicle Stimulating Hormone; Gestational Age; Immunization; Male; Polyploidy; Pregnancy; Sheep | 1988 |
Enzymatic androgen assay: some properties of human placental microsomal aromatase.
Topics: 3-Hydroxysteroid Dehydrogenases; Androstenedione; Aromatase; Dehydroepiandrosterone; Female; Humans; Hydrogen-Ion Concentration; Kinetics; Microsomes; NADP; Octoxynol; Oxidoreductases; Placenta; Polyethylene Glycols; Pregnancy; Solubility; Testosterone | 1985 |
Steroid hormones in uterine washings and in plasma of gilts between days 9 and 15 after oestrus and between days 9 and 15 after coitus.
Topics: Androstenedione; Animals; Copulation; Dehydroepiandrosterone; Estradiol; Estrone; Estrus; Female; Pregnancy; Pregnenolone; Progesterone; Steroids; Swine; Testosterone; Time Factors; Uterus | 1985 |
[Immunological induction of multiple gestation and variations in blood chemistry in sheep].
Topics: Androstenedione; Animals; Blood Chemical Analysis; Female; Immunization, Passive; Pregnancy; Pregnancy, Animal; Pregnancy, Multiple; Sheep | 1988 |
The number of spermatozoa, the number of ovulations per ewe, and immunization against androstenedione affect fertility and prolificacy of sheep.
Topics: Androstenedione; Animals; Female; Fertility; Fetal Death; Insemination, Artificial; Male; Ovulation; Pregnancy; Sheep; Spermatozoa | 1988 |
The transfer and metabolism of 7-ethoxycoumarin and androstenedione during the in vitro perfusion of the human placental lobule.
Topics: Androstenedione; Coumarins; Estrone; Female; Humans; In Vitro Techniques; Kinetics; Perfusion; Placenta; Pregnancy; Testosterone; Umbelliferones | 1988 |
Metabolism of testosterone in vivo in the pregnant rat.
Topics: Androstenedione; Animals; Estradiol; Female; Pregnancy; Pregnancy, Animal; Rats; Rats, Inbred Strains; Testosterone | 1988 |
Effects on the fecundity of sheep of immunisation against androstenedione.
Topics: Androstenedione; Animals; Female; Fertility; Immunization; Meta-Analysis as Topic; Pregnancy; Pregnancy, Animal; Pregnancy, Multiple; Serum Albumin; Sheep | 1988 |
Reproductive response of ewes to immunization with Fecundin (ovandrotone).
Topics: Androstenedione; Animals; Female; Genotype; Litter Size; Ovulation; Pregnancy; Pregnancy, Animal; Serum Albumin; Sheep | 1988 |
Spectral perturbation of human microsomal cytochrome P-450 by flavonoid binding.
Topics: Androstenedione; Binding, Competitive; Cytochrome P-450 Enzyme System; Female; Flavonoids; Humans; Microsomes; Placenta; Pregnancy; Spectrophotometry; Testosterone | 1988 |
Structure-activity relationships for non-steroidal inhibitors of aromatase.
Topics: Androstenedione; Aromatase Inhibitors; Binding Sites; Cholesterol Side-Chain Cleavage Enzyme; Computer Simulation; Female; Humans; Kinetics; Models, Molecular; Molecular Conformation; Molecular Structure; Placenta; Pregnancy; Structure-Activity Relationship | 1988 |
Potential for fecundin to influence the reproductive performance of merino ewes in Western Australia.
Topics: Aging; Androstenedione; Animals; Body Weight; Female; Fetal Death; Pregnancy; Reproduction; Serum Albumin; Sheep | 1988 |
The regulation of transplacental cortisol-cortisone metabolism by estrogen in pregnant baboons.
Topics: Androstenedione; Animals; Cortisone; Drug Implants; Estradiol; Female; Hydrocortisone; Maternal-Fetal Exchange; Papio; Placenta; Pregnancy; Reference Values | 1988 |
Effect of reducing the boost dose of Fecundin on the reproductive performances of previously vaccinated ewes.
Topics: Androstenedione; Animals; Female; Fertility; Haptens; Pregnancy; Pregnancy, Animal; Serum Albumin; Sheep | 1988 |
Effect of estrogen on the metabolism of cortisol and cortisone in the baboon fetus at midgestation.
Topics: Androstenedione; Animals; Blood Gas Analysis; Body Weight; Cortisone; Drug Implants; Estradiol; Estrogens; Female; Fetus; Heart Rate; Hydrocortisone; Oxidation-Reduction; Papio; Placenta; Pregnancy | 1988 |
Effects of 4-hydroxyandrostenedione and exogenous testosterone on blood concentrations of oestradiol and oviducal embryo transport in the rat.
Topics: Androstenedione; Animals; Blastocyst; Estradiol; Female; Oviducts; Ovum Transport; Pregnancy; Rats; Rats, Inbred Strains; Testosterone | 1988 |
In-vitro steroid synthesis by the placenta of cows in late gestation and at parturition.
Topics: Androstenedione; Animals; Cattle; Cell Separation; Cells, Cultured; Chromatography, Ion Exchange; Culture Techniques; Dexamethasone; Estrogens; Female; Fetus; Labor, Obstetric; Placenta; Pregnancy; Pregnenolone; Progesterone; Steroids | 1988 |
Characterization of pregnant mare's serum gonadotropin-stimulated rat ovarian aromatase and its inhibition by 10-propargylestr-4-ene-3,17-dione.
Topics: Androstenedione; Animals; Aromatase; Aromatase Inhibitors; Female; Gonadotropins, Equine; Humans; Kinetics; Microsomes; Ovary; Pargyline; Placenta; Pregnancy; Rats; Reference Values | 1988 |
[The inhibitory effect of miconazole on aromatase activity for androstenedione in human placental and ovarian preparations].
Topics: Aminoglutethimide; Androstenedione; Aromatase Inhibitors; Female; Humans; In Vitro Techniques; Miconazole; Ovary; Placenta; Pregnancy; Testolactone | 1987 |
Transitory changes of hormones in the plasma of parturient pony mares.
Topics: Androstenedione; Animals; Estradiol; Female; Gonadal Steroid Hormones; Horses; Labor, Obstetric; Luteinizing Hormone; Postpartum Period; Pregnancy; Progesterone | 1987 |
Placental secretion of androgens in the rat.
Topics: Aldehyde-Lyases; Androgens; Androstenedione; Animals; Corpus Luteum; Cytochrome P-450 Enzyme System; Female; Gestational Age; Placenta; Pregnancy; Rats; Steroid 17-alpha-Hydroxylase; Substrate Specificity; Testosterone | 1986 |
Opposite effect of human chorionic gonadotropin on placental and ovarian synthesis of androstenedione.
Topics: Aldehyde-Lyases; Androstenedione; Animals; Cholesterol; Cholesterol Esters; Chorionic Gonadotropin; Corpus Luteum; Cytochrome P-450 Enzyme System; Female; Hydroxymethylglutaryl CoA Reductases; Lipoproteins, HDL; Ovary; Placenta; Pregnancy; Progesterone; Rats; Rats, Inbred Strains; Steroid 17-alpha-Hydroxylase | 1987 |
Stereochemistry of the functional group determines the mechanism of aromatase inhibition by 6-bromoandrostenedione.
Topics: Androstenedione; Animals; Aromatase Inhibitors; Binding, Competitive; Female; Humans; Kinetics; Male; Microsomes, Liver; Molecular Conformation; NADP; Placenta; Pregnancy; Rabbits; Rats; Rats, Inbred Strains; Structure-Activity Relationship | 1987 |
Ovine placental aromatase: studies of activity levels, kinetic characteristics and effects of aromatase inhibitors.
Topics: Androstenedione; Animals; Antifungal Agents; Aromatase; Aromatase Inhibitors; Female; Humans; Imidazoles; Kinetics; Microsomes; Placenta; Pregnancy; Sheep; Subcellular Fractions | 1987 |
Influence of steroid hormones on the incorporation of amino acids in uterine and cervical tissue of pregnant women.
Topics: Amino Acids; Androstenedione; Betamethasone; Cervix Uteri; Estradiol; Female; Gonadal Steroid Hormones; Humans; Pregnancy; Progesterone; Protein Biosynthesis; Uterus | 1987 |
Gonadal function in male offspring of pinealectomized female rats.
Topics: Androstenedione; Animals; Dihydrotestosterone; Female; Light; Male; Maternal-Fetal Exchange; Pineal Gland; Pregnancy; Prostate; Rats; Rats, Inbred Strains; Seminal Vesicles; Sexual Maturation; Testis; Testosterone | 1987 |
Preparation of [1,2-3H,4-14C]16 alpha-hydroxyandrostenedione and its use for radiometric determination of human placental aromatase activity.
Topics: Androstenedione; Aromatase; Female; Humans; In Vitro Techniques; Microsomes; Placenta; Pregnancy | 1987 |
Utilization of circulating androstenedione and testosterone for estradiol production during gestation in the rat.
Topics: Androstenedione; Animals; Estradiol; Female; Hysterectomy; Ovariectomy; Ovary; Placental Hormones; Pregnancy; Pregnancy, Animal; Rats; Rats, Inbred Strains; Testosterone | 1987 |
Chronological changes in fertility, fecundity and steroid hormone secretion during consecutive pregnancies in aging rats.
Topics: 20-alpha-Dihydroprogesterone; Aging; Androstenedione; Animals; Embryo Implantation; Estradiol; Estrone; Estrus; Female; Fertility; Fetal Death; Litter Size; Pregnancy; Pregnancy, Animal; Progesterone; Rats; Steroids; Testosterone | 1986 |
[Aromatization of androstenedione and 19-nortestosterone in human placenta, liver and adipose tissues].
Topics: Adipose Tissue; Adolescent; Adult; Androstenedione; Aromatase; Estrogens; Female; Humans; Liver; Nandrolone; Organ Specificity; Placenta; Pregnancy | 1986 |
3-Methylene-substituted androgens as novel aromatization inhibitors. Evidence of a requirement for C-3 oxygen in C-19 hydroxylations.
Topics: Androstenedione; Aromatase Inhibitors; Carbon Radioisotopes; Female; Humans; Kinetics; Magnetic Resonance Spectroscopy; Microsomes; Placenta; Pregnancy; Structure-Activity Relationship; Substrate Specificity; Testosterone; Testosterone Congeners; Tritium | 1986 |
Stereochemistry of estrogen biosynthesis by a reconstituted aromatase cytochrome P-450 preparation from human placenta.
Topics: Androstenedione; Aromatase; Aromatase Inhibitors; Cytochrome P-450 Enzyme System; Estrogens; Female; Humans; Hydrogen-Ion Concentration; Kinetics; Microsomes; Molecular Conformation; NADP; Placenta; Pregnancy; Tritium | 1986 |
Nicotine, cotinine, and anabasine inhibit aromatase in human trophoblast in vitro.
Topics: Anabasine; Androstenedione; Aromatase Inhibitors; Carbachol; Cells, Cultured; Choriocarcinoma; Cotinine; Decamethonium Compounds; Dose-Response Relationship, Drug; Estradiol; Female; Hexamethonium Compounds; Humans; In Vitro Techniques; Kinetics; Microsomes; Nicotine; Piperidines; Placenta; Pregnancy; Pyrrolidinones; Smoking; Succinylcholine; Trophoblasts; Uterine Neoplasms | 1986 |
Estrogen regulates placental androstenedione production during rat pregnancy.
Topics: Androstenedione; Animals; Estradiol; Estrogens; Female; Ovariectomy; Placenta; Pregnancy; Progesterone; Rats; Rats, Inbred Strains; Testosterone | 1986 |
Inhibition of aromatase cytochrome P-450 (estrogen synthetase) by derivatives of alpha-naphthoflavone.
Topics: Androstenedione; Aromatase Inhibitors; Benzoflavones; Binding Sites; Cytochrome P-450 Enzyme Inhibitors; Female; Flavonoids; Humans; Kinetics; Microsomes; Placenta; Pregnancy; Structure-Activity Relationship | 1986 |
Effects of gonadectomy and androgen treatment on aromatase activity in the fetal monkey brain.
Topics: Androstenedione; Animals; Aromatase; Brain; Estradiol; Estrone; Female; Fetus; Gestational Age; Kinetics; Macaca mulatta; Male; Orchiectomy; Ovariectomy; Pregnancy | 1986 |
[Hormonal principles in normal and pathologic somatic sexual development].
Topics: Adolescent; Adult; Androgen-Insensitivity Syndrome; Androstenedione; Animals; Anti-Mullerian Hormone; Child; Child, Preschool; Dihydrotestosterone; Disorders of Sex Development; Estrogens; Female; Gestational Age; Glycoproteins; Gonadal Steroid Hormones; Growth Inhibitors; Humans; Infant; Infant, Newborn; Male; Phenotype; Pregnancy; Receptors, Androgen; Sex Chromosomes; Syndrome; Testicular Hormones; Testosterone; Virilism | 1986 |
1-Methyl-1,4-androstadiene-3,17-dione (SH 489): characterization of an irreversible inhibitor of estrogen biosynthesis.
Topics: Androstenedione; Aromatase Inhibitors; Female; Humans; In Vitro Techniques; Kinetics; Microsomes; Oxidation-Reduction; Placenta; Pregnancy; Structure-Activity Relationship | 1986 |
Production of steroids and release of prostaglandins by spherical pig blastocysts in vitro.
Topics: Androstenedione; Animals; Blastocyst; Estradiol; Estrone; Female; Pregnancy; Pregnenolone; Progesterone; Prostaglandins; Steroids; Swine; Testosterone | 1986 |
19-Hydroxylation of androgens in the rat brain.
Topics: Androgens; Androstenedione; Animals; Brain; Estrogens; Female; Humans; Hydroxylation; In Vitro Techniques; Male; Placenta; Pregnancy; Rats | 1985 |
Pitfalls of prenatal diagnosis of 21-hydroxylase deficiency congenital adrenal hyperplasia.
Topics: 17-alpha-Hydroxyprogesterone; Adrenal Hyperplasia, Congenital; Amniotic Fluid; Androstenedione; Female; Genotype; Heterozygote; HLA Antigens; Homozygote; Humans; Hydroxyprogesterones; Male; Pregnancy; Prenatal Diagnosis; Risk; Steroid Hydroxylases | 1985 |
Pitfalls in prenatal diagnosis of 21-hydroxylase deficiency by amniotic fluid steroid analysis? A six years experience in 102 pregnancies at risk.
Topics: 17-alpha-Hydroxyprogesterone; Adrenal Hyperplasia, Congenital; Amniotic Fluid; Androstenedione; Female; Fetal Diseases; Genetic Counseling; Histocompatibility Testing; Humans; Hydroxyprogesterones; Infant, Newborn; Karyotyping; Male; Pedigree; Pregnancy; Prenatal Diagnosis; Risk; Steroid Hydroxylases; Testosterone | 1985 |
Radiometric analysis of oxidative reactions in aromatization by placental microsomes. Presence of differential isotope effects.
Topics: Androstenedione; Aromatase; Carbon Radioisotopes; Female; Humans; Kinetics; Microsomes; Oxidoreductases; Placenta; Pregnancy; Radioisotope Dilution Technique; Testosterone; Tritium | 1985 |
Induction of ovulation with purified urinary follicle-stimulating hormone in patients with polycystic ovarian syndrome.
Topics: Adult; Androstenedione; Estradiol; Estrone; Female; Follicle Stimulating Hormone; Humans; Infertility, Female; Luteinizing Hormone; Ovulation Induction; Polycystic Ovary Syndrome; Pregnancy; Progesterone; Prolactin; Testosterone | 1985 |
Effects of aromatase inhibitors, aminoglutethimide, and 4-hydroxyandrostenedione on cyclic rats and rats with 7,12-dimethylbenz(a)anthracene-induced mammary tumors.
Topics: 9,10-Dimethyl-1,2-benzanthracene; Aminoglutethimide; Androstenedione; Animals; Aromatase Inhibitors; Estradiol; Estrus; Female; Luteinizing Hormone; Mammary Neoplasms, Experimental; Oxidoreductases; Pregnancy; Rats; Rats, Inbred Strains | 1985 |
Alterations in follicular fluid steroids and follicular hCG and FSH binding during atresia in hamster.
Topics: Androstenedione; Animals; Body Fluids; Chorionic Gonadotropin; Cricetinae; Estradiol; Estrus; Female; Follicle Stimulating Hormone; Follicular Atresia; Gonadal Steroid Hormones; Ovarian Follicle; Ovulation; Phenobarbital; Pregnancy; Proestrus; Progesterone; Radioimmunoassay; Time Factors | 1985 |
Comparative effect of clomiphene and clomiphene/hMG on the preovulatory follicles and fertilizability of the oocyte.
Topics: 17-alpha-Hydroxyprogesterone; Adult; Androstenedione; Clomiphene; Estradiol; Female; Fertilization in Vitro; Follicle Stimulating Hormone; Humans; Hydroxyprogesterones; Menotropins; Oocytes; Ovarian Follicle; Ovulation Induction; Pregnancy; Progesterone; Testosterone | 1985 |
Concentrations of steroids and gonadotropins in follicular fluid from normal heifers and heifers primed for superovulation.
Topics: Androstenedione; Animals; Body Fluids; Cattle; Estradiol; Estrus; Female; Follicle Stimulating Hormone; Gonadal Steroid Hormones; Luteinizing Hormone; Ovarian Follicle; Ovulation; Pregnancy; Pregnenolone; Progesterone; Superovulation; Testosterone | 1985 |
Endocrine studies in a pregnancy complicated by ovarian theca lutein cysts and hyperreactio luteinalis.
Topics: Adult; Androstenedione; Chorionic Gonadotropin; Corpus Luteum; Estradiol; Estrone; Female; Humans; Hyperplasia; Infant, Newborn; Luteal Cells; Ovarian Cysts; Pregnancy; Pregnancy Complications; Testosterone; Theca Cells; Time Factors; Virilism | 1986 |
Pregnancy-related chemotactic activity of human follicular fluid.
Topics: Androstenedione; Body Fluids; Chemotaxis, Leukocyte; Embryo Transfer; Estradiol; Female; Fertilization in Vitro; Granulocytes; Humans; Ovarian Follicle; Pregnancy; Progesterone | 1986 |
Hormones, mood and sexuality in lactating women.
Topics: Adult; Androstenedione; Breast Feeding; Emotions; Estrogens; Female; Hormones; Humans; Lactation; Pregnancy; Pregnanediol; Prolactin; Sex Hormone-Binding Globulin; Sexual Behavior; Testosterone | 1986 |
Virilization during pregnancy due to bilateral hyperthecosis. A case report.
Topics: Adult; Androstenedione; Estradiol; Female; Humans; Hyperplasia; Infant, Newborn; Ovarian Diseases; Pregnancy; Pregnancy Complications; Testosterone; Theca Cells; Virilism | 1985 |
Androstenedione or corticosterone treatment during pregnancy alters estrous cycle of adult female offspring in mice.
Topics: Androstenedione; Animals; Corticosterone; Diestrus; Estrus; Female; Mice; Pregnancy; Prenatal Exposure Delayed Effects; Proestrus | 1985 |
Covalent modification of aromatase by a radiolabeled irreversible inhibitor.
Topics: Androstenedione; Aromatase Inhibitors; Densitometry; Female; Fluorometry; Humans; Kinetics; Molecular Weight; Oxidoreductases; Placenta; Pregnancy | 1985 |
Inactivation of human placental aromatase by 6 alpha- and 6 beta-hydroperoxyandrostenedione.
Topics: Androstenedione; Aromatase Inhibitors; Dithiothreitol; Female; Humans; Microsomes; NADP; Oxidoreductases; Placenta; Pregnancy; Time Factors | 1985 |
Thiol-containing androgens as suicide substrates of aromatase.
Topics: Androgens; Androstenedione; Aromatase Inhibitors; Estrenes; Female; Humans; Kinetics; Oxidoreductases; Placenta; Pregnancy | 1985 |
7 alpha-substituted derivatives of androstenedione as inhibitors of estrogen biosynthesis.
Topics: Androstenedione; Aromatase Inhibitors; Estrogens; Female; Humans; Oxidoreductases; Placenta; Pregnancy; Structure-Activity Relationship | 1985 |
Maternal virilization in pregnancy due to an unclassified sex-cord stromal neoplasm.
Topics: 17-alpha-Hydroxyprogesterone; Adult; Androstenedione; Female; Humans; Hydroxyprogesterones; Ovarian Neoplasms; Ovary; Pregnancy; Pregnancy Complications, Neoplastic; Testosterone; Virilism | 1985 |
Human placental aromatase activity: use of a C18 reversed-phase cartridge for separation of tritiated water or steroid metabolites in placentas from both smoking and non-smoking mothers in vitro.
Topics: Androstenedione; Aromatase; Aryl Hydrocarbon Hydroxylases; Chromatography, Thin Layer; Deuterium; Female; Humans; Oxidoreductases; Placenta; Pregnancy; Smoking | 1985 |
Follicular atresia in relation to oocyte morphology in non-pregnant and pregnant women.
Topics: Adult; Androstenedione; Body Fluids; Estradiol; Female; Flow Cytometry; Follicular Atresia; Follicular Phase; Humans; Menstruation; Oocytes; Ovarian Follicle; Pregnancy; Pregnancy Trimester, Third; Progesterone; Testosterone | 1985 |
Oxygen dependence of oestrogen production by human placental microsomes and cultured choriocarcinoma cells.
Topics: Androstenedione; Aromatase; Cell Line; Choriocarcinoma; Estradiol; Estrogens; Estrone; Female; Humans; Microsomes; NADP; Oxidation-Reduction; Oxidoreductases; Oxygen; Placenta; Pregnancy; Testosterone; Uterine Neoplasms | 1985 |
A new radioimmunoassay for serum 16 alpha-hydroxyandrost-4-ene-3,17-dione with specific antiserum.
Topics: Amniotic Fluid; Androstenedione; Antibody Specificity; Female; Humans; Immune Sera; Microchemistry; Pregnancy; Radioimmunoassay; Reference Values; Umbilical Arteries | 1985 |
Structural and functional changes in ovaries from adult mice treated with diethylstilboestrol in the neonatal period.
Topics: 17-alpha-Hydroxyprogesterone; Androstenedione; Animals; Diethylstilbestrol; Estrus; Female; Hydroxyprogesterones; In Vitro Techniques; Mice; Mice, Inbred Strains; Ovary; Pregnancy; Pregnenolone; Progesterone; Testosterone | 1985 |
Elevated peripheral concentrations of LH block ovulation and increase thecal and serum progesterone in the hamster.
Topics: Androstenedione; Animals; Chorionic Gonadotropin; Cricetinae; Estradiol; Female; Luteinizing Hormone; Ovulation; Pregnancy; Proestrus; Progesterone; Theca Cells | 1985 |
The development of placental androstenedione and testosterone production and their utilization by the ovary for aromatization to estrogen during rat pregnancy.
Topics: Androstenedione; Animals; Estradiol; Female; Ovary; Placenta; Pregnancy; Pregnenolone; Progesterone; Rats; Rats, Inbred Strains; Testosterone | 1985 |
Steroid concentrations in fluid from human ovarian antral follicles during pregnancy.
Topics: Adult; Androstenedione; Body Fluids; Female; Flow Cytometry; Follicular Atresia; Gonadal Steroid Hormones; Humans; Menstruation; Ovarian Follicle; Pregnancy; Pregnancy Trimester, Third; Progesterone | 1985 |
The effect of phenytoin on testosterone metabolism in vitro.
Topics: Adult; Androstenedione; Dihydrotestosterone; Disorders of Sex Development; Female; Humans; In Vitro Techniques; Infant, Newborn; Male; Maternal-Fetal Exchange; Phenytoin; Pregnancy; Skin; Testosterone | 1985 |
Hirsutism in pregnancy.
Topics: Adult; Androstenedione; Female; Hirsutism; Humans; Pregnancy; Pregnancy Complications; Testosterone | 1985 |
Studies on the endocrinology of parturition: relative steroidogenesis in coexisting genetically dissimilar ovine fetuses, concomitant with the temporal patterns of maternal C18 and C19 steroids and prostaglandin F2 alpha release.
Topics: Androstenedione; Animals; Embryo Transfer; Estrogens; Female; Fetus; Labor, Obstetric; Pregnancy; Progesterone; Sheep | 1985 |
Serum androstenedione and testosterone concentrations during pregnancy and nonpregnant cycles in dogs.
Topics: Androstenedione; Animals; Corpus Luteum; Dogs; Estrus; Female; Gestational Age; Labor, Obstetric; Pregnancy; Pregnancy, Animal; Testosterone | 1985 |
Productivity of estrogens by human placental organ culture at different stages of gestation.
Topics: Androstenedione; Culture Techniques; Estradiol; Estrone; Female; Humans; Kinetics; Organ Culture Techniques; Placenta; Pregnancy; Pregnancy Trimester, First; Pregnancy Trimester, Second; Pregnancy Trimester, Third | 1985 |
[Studies on 16 alpha-hydroxyandrost-4-ene-3, 17-dione in human pregnancy measured by high performance liquid chromatography and radioimmunoassay].
Topics: Androstenedione; Chromatography, High Pressure Liquid; Female; Fetal Blood; Humans; Pregnancy; Pregnancy Trimester, First; Pregnancy Trimester, Second; Pregnancy Trimester, Third; Radioimmunoassay; Umbilical Arteries; Umbilical Veins | 1985 |
The aromatization of (7 -3H) androstenedione by human placental mitochondria.
Topics: 17-Ketosteroids; Acetylation; Androgens; Androstenedione; Chromatography, Paper; Chromatography, Thin Layer; Crystallization; Estradiol; Estrone; Female; Humans; Hydrogen-Ion Concentration; Hydroxysteroids; Microsomes; Mitochondria; NAD; NADP; Oxidoreductases; Placenta; Pregnancy; Tritium; Ultracentrifugation | 1973 |
Evidence of the direct aromatization of testosterone and different aromatization sites for testosterone and androstenedione in human placental microsomes.
Topics: 17-Hydroxycorticosteroids; Androstenedione; Binding Sites; Binding, Competitive; Carbon Radioisotopes; Crystallization; Estradiol; Estrone; Female; Humans; Hydroxysteroid Dehydrogenases; Kinetics; Microsomes; Models, Chemical; Multienzyme Complexes; NADP; Oxidoreductases; Placenta; Pregnancy; Sodium Chloride; Testosterone; Tritium | 1974 |
Utilization of oxygen and reduced nicotinamide adenine dinucleotide phosphate by human placental microsomes during aromatization of androstenedione.
Topics: Androstenedione; Androstenols; Chromatography; Chromatography, Thin Layer; Cyanides; Estradiol; Estrone; Female; Humans; Hydroxylation; Kinetics; Microsomes; NADP; Oxidation-Reduction; Oxygen Consumption; Placenta; Pregnancy; Silicon Dioxide; Steroids; Time Factors; Tritium | 1974 |
[Hydroxysteroid oxidoreductases and their function as catalysts of specific hydrogen transfer between steroid hormones in human placenta. II. Kinetic studies and hydrogen transfer between C-17 of estradiol-17 beta and C-20 or progesterone].
Topics: Androstenedione; Carbon Radioisotopes; Chromatography, Gel; Coenzymes; Cytochrome c Group; Estradiol; Female; Humans; Hydrogen; Hydrogen-Ion Concentration; Hydroxysteroid Dehydrogenases; In Vitro Techniques; Kinetics; Metals; Molecular Weight; NAD; NADP; Phospholipids; Placenta; Pregnancy; Progesterone; Proteins; Sulfhydryl Reagents; Temperature; Testosterone; Time Factors; Tritium | 1974 |
The flux of intermediates and products in aromatizaton of C19 steroids by human placental microsomes.
Topics: Androstenedione; Androstenols; Biotransformation; Carbon Radioisotopes; Deuterium; Estradiol; Estrone; Female; Humans; Hydroxysteroid Dehydrogenases; Microsomes; NADP; Placenta; Pregnancy; Temperature; Testosterone; Time Factors | 1974 |
[The phospholipid dependence, enrichment and characterization of microsomal 17beta-hydroxysteroid-oxido reductase and "transhydrogenase activity" from human placenta (author's transl)].
Topics: Androstenedione; Carbon Radioisotopes; Cations, Divalent; Chromatography, Thin Layer; Edetic Acid; Electrophoresis, Polyacrylamide Gel; Estradiol; Female; Humans; Hydroxysteroid Dehydrogenases; Isoelectric Focusing; Kinetics; Microscopy, Electron; Microsomes; Phospholipids; Placenta; Pregnancy; Sulfhydryl Reagents; Tritium; Ultracentrifugation | 1973 |
Kinetic study of the metabolism of (4- 14 C) dehydroepiandrosterone by normal early human placental tissue. I. Androgenic derivatives.
Topics: Acetylation; Adolescent; Androgens; Androstenedione; Androsterone; Carbon Isotopes; Chromatography; Chromatography, Thin Layer; Dehydroepiandrosterone; Estradiol; Estrone; Female; Humans; Hydroxysteroid Dehydrogenases; Kinetics; Oxidoreductases; Placenta; Pregnancy; Spectrophotometry, Ultraviolet; Testosterone | 1972 |
Comparative placental steroid synthesis. II. C 19 steroid metabolism by guinea-pig placentas and fetal adrenals in vitro.
Topics: 17-Ketosteroids; Adrenal Glands; Androgens; Androstanes; Androstenedione; Androstenes; Androsterone; Animals; Carbon Isotopes; Chromatography, Paper; Chromatography, Thin Layer; Dehydroepiandrosterone; Female; Fetus; Guinea Pigs; Hydroxysteroid Dehydrogenases; Placenta; Pregnancy; Spectrophotometry, Ultraviolet; Testosterone; Time Factors; Tritium | 1973 |
In vitro conversion of (4-14C) dehydroepiandrosterone and androstenedione to oestrogens by the microsomes of placentas from normal, toxaemic, diabetic and postmature pregnancies.
Topics: Adult; Androstenedione; Carbon Radioisotopes; Dehydroepiandrosterone; Estradiol; Estrone; Female; Gestational Age; Humans; In Vitro Techniques; Microsomes; Placenta; Pre-Eclampsia; Pregnancy; Pregnancy Complications; Pregnancy in Diabetics; Pregnancy, Prolonged; Proteins; Time Factors | 1973 |
Intracellular distributian and substrate specificity of the 16 alpha-hydroxylase in the adrenal of human fetus.
Topics: Adrenal Glands; Androstenedione; Carbon Radioisotopes; Cell Nucleus; Chromatography, Paper; Chromatography, Thin Layer; Cytosol; Dehydroepiandrosterone; Female; Fetus; Humans; Microsomes; Mitochondria; Pregnancy; Pregnenolone; Progesterone; Steroid Hydroxylases; Subcellular Fractions; Tritium | 1973 |
17beta-hydroxysteroid dehydrogenase activity in human amniotic epithelium.
Topics: Amnion; Androstenedione; Androstenols; Chromatography, Paper; Chromatography, Thin Layer; Dehydroepiandrosterone; Epithelium; Female; Humans; Hydroxysteroid Dehydrogenases; In Vitro Techniques; Pregnancy; Testosterone | 1974 |
[Quantitative analysis of steroids in urine by gas-liquid chromatography (author's transl)].
Topics: 17-Ketosteroids; Adrenocortical Hyperfunction; Androstenedione; Androstenols; Androsterone; Cholestanes; Cholesterol; Chromatography, Gas; Dehydroepiandrosterone; Etiocholanolone; Female; Humans; Pregnancy; Pregnanediol; Pregnanetriol; Solvents; Steroids; Testosterone; Time Factors; Trichloroethylene | 1974 |
[The influence of prostaglandin F2-alpha and beta-mimetic substances (Th 1165a) on the aromatisation rate in human placentas (author's transl)].
Topics: Adenylyl Cyclases; Androstenedione; Dehydroepiandrosterone; Dose-Response Relationship, Drug; Estradiol; Estrone; Female; Humans; In Vitro Techniques; Metaproterenol; Microsomes; Phenols; Placenta; Pregnancy; Prostaglandins; Steroids; Time Factors | 1974 |
Physical and chemical factors influencing the reliability of the assay of androgens by competitive protein binding.
Topics: Androgens; Androstenedione; Androstenes; Androstenols; Animals; Binding, Competitive; Cattle; Charcoal; Chromatography, Thin Layer; Dehydroepiandrosterone; Evaluation Studies as Topic; Female; Humans; Male; Methods; Pregnancy; Receptors, Cell Surface; Serum Albumin, Bovine; Testosterone; Tritium | 1973 |
Steroid studies in a case of ovarian hyperluteinization with virilism in two consecutive pregnancies.
Topics: 17-Hydroxycorticosteroids; 17-Ketosteroids; Adrenal Cortex Hormones; Adrenocorticotropic Hormone; Androstenedione; Biopsy; Cesarean Section; Chorionic Gonadotropin; Depression, Chemical; Dexamethasone; Estriol; Female; Hair; Humans; Hydrocortisone; Menotropins; Metyrapone; Ovary; Pregnancy; Pregnancy Complications; Pregnanetriol; Stimulation, Chemical; Testosterone; Virilism | 1974 |
The involvement of human placental microsomal cytochrome P-450 in aromatization.
Topics: Aminoglutethimide; Androstenedione; Animals; Binding Sites; Binding, Competitive; Carbon Monoxide; Cyanides; Cytochrome P-450 Enzyme System; Cytochrome Reductases; Female; Humans; Kinetics; Metyrapone; Microsomes; Microsomes, Liver; Nandrolone; Placenta; Pregnancy; Proadifen; Protein Binding; Rabbits; Receptors, Cell Surface; Spectrophotometry; Spectrophotometry, Ultraviolet; Steroids; Swine; Tritium | 1974 |
Cycloalkanones. 4. Antifertility activity.
Topics: Androstenedione; Animals; Carbon Radioisotopes; Contraceptives, Oral, Synthetic; Cyclic AMP; Cycloparaffins; Deoxyribonucleases; DNA; DNA-Directed RNA Polymerases; Female; Fertility; Fetal Death; Follicle Stimulating Hormone; Glycogen; Ketones; Lipids; Liver; Liver Glycogen; Luteinizing Hormone; Male; Mice; Pituitary Gland; Pregnancy; Protein Biosynthesis; Proteins; Rats; RNA; Testosterone; Tyrosine; Uterus | 1974 |
Plasma androstenedione (A) and dihydrotesto-terone (DHT) in patients with trophoblastic disease and the effect of chemotherapy and oophorectomy.
Topics: Adult; Androstenedione; Choriocarcinoma; Chorionic Gonadotropin; Dihydrotestosterone; Female; Gestational Age; Humans; Hydatidiform Mole; Middle Aged; Ovarian Cysts; Ovarian Neoplasms; Pregnancy; Testosterone; Trophoblastic Neoplasms | 1973 |
A survey of the steroids in cows' milk.
Topics: Androstenedione; Animals; Circadian Rhythm; Colostrum; Estrus; Female; Lactation; Milk; Pregnancy; Pregnancy Tests; Pregnanediones; Progesterone; Steroids | 1974 |
An enzymatic defect in androgen biosynthesis in human testis: a case report and response to therapy.
Topics: Adult; Androgens; Androstenedione; Biopsy; Cell Count; Chorionic Gonadotropin; Female; Follicle Stimulating Hormone; Humans; Infertility, Male; Leydig Cells; Luteinizing Hormone; Male; Menotropins; Metabolic Clearance Rate; Metabolism, Inborn Errors; Oxidoreductases; Pregnancy; Progesterone; Testis; Testosterone; Tritium | 1974 |
Identification by gas chromatography-mass spectrometry of intermediates in the aromatization of modified C19 steroids by human placental microsomes.
Topics: Aluminum; Androstenedione; Chromatography; Chromatography, Gas; Chromatography, Thin Layer; Crystallization; Estradiol; Estrone; Female; Humans; Magnetic Resonance Spectroscopy; Mass Spectrometry; Microsomes; Molecular Weight; Placenta; Pregnancy; Spectrophotometry, Ultraviolet; Steroid Hydroxylases; Steroids; Testosterone; Time Factors | 1974 |
Measurement of bovine plasma testosterone by radioimmunoassay (RIA) and by a rapid competitive protein binding (CPB) assay.
Topics: Adult; Androstenedione; Animals; Antibodies; Binding, Competitive; Castration; Cattle; Chromatography, Gel; Chromatography, Thin Layer; Dexamethasone; Estradiol; Estrone; Estrus; Female; Humans; Immune Sera; Pregnancy; Progesterone; Protein Binding; Radioimmunoassay; Testosterone; Tritium | 1974 |
Plasma androgens in idiopathic hirsutism.
Topics: Androgens; Androstenediols; Androstenedione; Binding, Competitive; Blood Proteins; Chromatography, Paper; Dihydrotestosterone; Female; Hirsutism; Humans; Hydroxysteroids; Menstruation; Pregnancy; Pregnancy Trimester, Third; Radioligand Assay; Testosterone; Time Factors; Tritium | 1974 |
Interruption of pregnancy in rats by various fluoroandrostane derivatives.
Topics: Abortifacient Agents; Abortion, Induced; Administration, Oral; Androstenedione; Androstenes; Animals; Contraceptive Agents; Contraceptives, Postcoital; Female; Fluoxymesterone; Hydroxysteroids; Injections, Subcutaneous; Ketosteroids; Methyltestosterone; Organ Size; Pregnancy; Progesterone; Prolactin; Rats; Steroids, Fluorinated; Uterus | 1974 |
Steroid hormones and aggressive behavior: approaches to the study of hormone-sensitive brain mechanisms for behavior.
Topics: Adrenal Glands; Aggression; Androstenedione; Animals; Behavior, Animal; Brain Chemistry; Conditioning, Psychological; Cricetinae; Depression, Chemical; Environment; Estradiol; Estrus; Female; Gonadal Steroid Hormones; Humans; Limbic System; Male; Ovary; Pregnancy; Progesterone; Rats; Sex Factors; Social Isolation; Species Specificity; Stimulation, Chemical; Testosterone | 1974 |
The twin ion technique for detection of metabolites by gas chromatography-mass spectrometry: intermediates in estrogen biosynthesis.
Topics: 17-Ketosteroids; Androgens; Androstenedione; Androstenes; Carbon Isotopes; Chromatography, Gas; Chromatography, Gel; Chromatography, Thin Layer; Deuterium; Estradiol; Estrogens; Estrone; Female; Humans; Hydroxysteroids; Ketosteroids; Mass Spectrometry; Methods; Microsomes; Placenta; Pregnancy; Testosterone | 1973 |
Metabolism of (4-14C)17 alpha-hydroxyprogesterone to unconjugated metabolites in the human foeto-placental unit at mid-pregnancy.
Topics: 17-alpha-Hydroxypregnenolone; Adrenal Glands; Androstenedione; Carbon Radioisotopes; Chromatography; Female; Fetus; Gestational Age; Humans; Hydrocortisone; Hydroxyprogesterones; In Vitro Techniques; Liver; Male; Placenta; Pregnancy; Pregnanetriol; Testis; Testosterone; Umbilical Cord | 1973 |
Inhibition of estrus in the dog with testosterone implants.
Topics: Androstenedione; Animals; Capsules; Clitoris; Disorders of Sex Development; Dog Diseases; Dogs; Estrus; Female; Lactation; Mammary Glands, Animal; Methods; Pregnancy; Silicone Elastomers; Skin; Testosterone; Vagina; Vaginal Smears; Weaning | 1973 |
Studies on the metabolism of steroids in the foetus. Metabolism of testosterone in the human foetal adrenals.
Topics: Adrenal Glands; Androstenedione; Androstenols; Animals; Chromatography, Gas; Female; Fetus; Gestational Age; Humans; Hydroxysteroids; Mass Spectrometry; Microsomes; Microsomes, Liver; Mixed Function Oxygenases; Pregnancy; Rats; Spectrophotometry, Ultraviolet; Testosterone | 1973 |
Studies on the metabolism of steroids in the foetus. Biosynthesis of epitestosterone in the human-foetal liver.
Topics: Androstenedione; Chromatography, Gas; Chromatography, Thin Layer; Cytosol; Female; Fetus; Gestational Age; Humans; Hydroxysteroid Dehydrogenases; Liver; Male; Mass Spectrometry; Microsomes, Liver; Pregnancy; Spectrophotometry, Ultraviolet; Subcellular Fractions; Testosterone; Time Factors | 1973 |
Peripheral plasma levels of testosterone, androstenedione, and oestradiol during the rat oestrous cycle.
Topics: Androstenedione; Animals; Chromatography; Estradiol; Estrus; Female; Ovulation; Pregnancy; Rats; Testosterone; Vaginal Smears | 1973 |
[Visualization and evolution of steroid dehydrogenases in the cat's endotheliochorial placenta during gestation].
Topics: Androstenedione; Androsterone; Animals; Cats; Etiocholanolone; Female; Histocytochemistry; Hydrocortisone; Hydroxysteroid Dehydrogenases; Placenta; Pregnancy; Pregnancy, Animal; Pregnenolone; Testosterone | 1973 |
[Proceedings: Endocrinologic parameters and ultrasonic diagnosis in pregnancies following induced ovulation].
Topics: Adult; Androstenedione; Chorionic Gonadotropin; Estradiol; Estriol; Estrogens; Female; Fetal Diseases; Hormones; Humans; Hydroxyprogesterones; Hydroxysteroid Dehydrogenases; Ovulation; Placental Lactogen; Pre-Eclampsia; Pregnancy; Pregnancy Complications; Pregnancy, Multiple; Progesterone; Ultrasonography; Uterine Cervical Incompetence | 1973 |
Regionally different steroid-biosynthesis within materno-fetal circulation units (placentones) of mature human placentas.
Topics: Alkaline Phosphatase; Androstenedione; Estradiol; Estrone; Female; Fetus; Humans; Hydroxysteroid Dehydrogenases; Maternal-Fetal Exchange; Microsomes; Placenta; Pregnancy; Testosterone | 1973 |
The metabolism in vitro of C21- and C19-steroids by pregnant sheep myometrium.
Topics: Androstanes; Androstenedione; Androsterone; Animals; Carbon Radioisotopes; Chromatography, Thin Layer; Female; Gestational Age; Hydroxyprogesterones; Hydroxysteroid Dehydrogenases; In Vitro Techniques; Lyases; Molecular Weight; Muscle, Smooth; Pregnancy; Pregnanediol; Pregnanes; Progesterone; Sheep; Testosterone; Tritium; Uterus | 1974 |
The concentrations of androgens, oestrogens, progesterone and luteinizing hormone in the serum of foetal calves throughout the course of gestations.
Topics: Androgens; Androstenedione; Animals; Cattle; Estradiol; Estrogens; Estrone; Female; Fetus; Gestational Age; Luteinizing Hormone; Pregnancy; Progesterone; Radioimmunoassay; Sex Factors; Testosterone; Umbilical Cord | 1974 |
[Determination of low testosterone and androstenedione plasmatic levels (author's transl)].
Topics: Androstenedione; Chromatography, Paper; Female; Humans; Infant, Newborn; Male; Methods; Pregnancy; Protein Binding; Testosterone | 1974 |
Effect of neonatal administration of different androgens in the female rat: correlation between aromatization and the induction of sterilization.
Topics: Anal Canal; Androgens; Androstenedione; Androstenols; Androsterone; Animals; Animals, Newborn; Body Weight; Castration; Dihydrotestosterone; Estradiol; Estrus; Female; Infertility, Female; Injections, Subcutaneous; Organ Size; Ovary; Pregnancy; Progesterone; Rats; Testosterone; Vagina; Vaginal Smears | 1974 |
On the mechanism of aromatization of tritiated 19-hydroxy-4-androstene-3,17-dione by the microsomal fraction of human placenta.
Topics: 17-Ketosteroids; Androgens; Androstenedione; Biotransformation; Estrogens; Female; Formaldehyde; Humans; Microsomes; Oxidation-Reduction; Placenta; Pregnancy; Semicarbazides; Tritium | 1970 |
The place of wedge resection of the ovary in the treatment of sterility.
Topics: Adult; Androstenedione; Clomiphene; Female; Gonadotropins; Humans; Infertility, Female; Ovary; Ovulation; Polycystic Ovary Syndrome; Pregnancy; Testosterone | 1970 |