title: Emergency contraception--expanding opportunities for primary prevention.
authors.forename: D A
authors.initials: DA
authors.lastname: Grimes
mesh_terms: D003281:Contraceptives, Postcoital / Q000009:adverse effects; D004348:Drug Labeling; D004363:Drug Utilization; D004630:Emergencies; D005260:Female; D006801:Humans; D011247:Pregnancy; D011275:Pregnancy, Unwanted; D014481:United States; D014486:United States Food and Drug Administration
chemical_list: D003281:Contraceptives, Postcoital