Post-coital contraception with progestagens.
D003281:Contraceptives, Postcoital / Q000494:pharmacology*; D005260:Female; D005306:Fertilization / Q000187:drug effects; D006801:Humans; D009644:Norgestrel / Q000494:pharmacology; D011247:Pregnancy; D011275:Pregnancy, Unwanted
D003281:Contraceptives, Postcoital; D009644:Norgestrel