Possible progesterone-blockage of estrogen-induced interruption of pregnancy in rats.
D000818:Animals; D003271:Contraceptive Agents, Female; D004967:Estrogens / Q000494:pharmacology*; D005260:Female; D006801:Humans; D011247:Pregnancy / Q000502:physiology; D011374:Progesterone / Q000494:pharmacology*; D051381:Rats
D003271:Contraceptive Agents, Female; D004967:Estrogens; D011374:Progesterone
ESTROGENS/pharmacology; PREGNANCY/physiology; PROGESTERONE/pharmacology