Facilitative action of progesterone in the induction of ovulation by oestrogen.
D000818:Animals; D004357:Drug Synergism; D004958:Estradiol / Q000494:pharmacology*; D005260:Female; D010060:Ovulation; D011374:Progesterone / Q000494:pharmacology*; D051381:Rats
D011374:Progesterone; D004958:Estradiol