An examination of the quantitative relationship between progesterone and the maintenance of pregnancy.
D000022:Abortion, Spontaneous / Q000517:prevention & control; D000818:Animals; D001835:Body Weight; D002369:Castration; D004958:Estradiol / Q000494:pharmacology; D005260:Female; D005333:Fetus; D005865:Gestational Age; D006984:Hypertrophy; D009929:Organ Size; D010053:Ovary / Q000601:surgery; D010920:Placenta / Q000032:analysis* / Q000601:surgery; D011247:Pregnancy; D011270:Pregnancy, Animal; D011374:Progesterone / Q000032:analysis* / Q000097:blood / Q000378:metabolism / Q000494:pharmacology; D051381:Rats; D014599:Uterus / Q000032:analysis* / Q000378:metabolism
D011374:Progesterone; D004958:Estradiol