Postcoital intervention.
D003281:Contraceptives, Postcoital / Q000009:adverse effects*; D003282:Contraceptives, Postcoital, Hormonal / Q000009:adverse effects*; D005260:Female; D006801:Humans; D009325:Nausea / Q000139:chemically induced*
D003281:Contraceptives, Postcoital; D003282:Contraceptives, Postcoital, Hormonal