title: How does oral emergency contraception work?
authors.affiliation: Nurse-Midwidery Faculty Practice, Vanderbilt University Medical Center, Nashville, TN, USA.
authors.forename: Mavis N
authors.initials: MN
authors.lastname: Schorn
mesh_terms: D003276:Contraceptives, Oral / Q000494:pharmacology*; D003281:Contraceptives, Postcoital / Q000494:pharmacology*; D004630:Emergencies; D005260:Female; D005306:Fertilization / Q000187:drug effects; D006801:Humans; D008297:Male; D010060:Ovulation / Q000187:drug effects; D010066:Ovum Transport / Q000187:drug effects; D011902:Rape / Q000517:prevention & control; D013083:Sperm Transport / Q000187:drug effects; D014481:United States; D014486:United States Food and Drug Administration
chemical_list: D003276:Contraceptives, Oral; D003281:Contraceptives, Postcoital