The mechanism in inhibition of ovulation in oral contraception.
D000328:Adult; D006063:Chorionic Gonadotropin / Q000494:pharmacology; D005260:Female; D006064:Gonadotropins, Equine / Q000494:pharmacology*; D006801:Humans; D010060:Ovulation / Q000187:drug effects*
D006063:Chorionic Gonadotropin; D006064:Gonadotropins, Equine