title: Failure of post-coital contraception after insertion of an intrauterine device. Case report.
mesh_terms: D000328:Adult; D003281:Contraceptives, Postcoital; D005260:Female; D006801:Humans; D007435:Intrauterine Devices, Copper; D011247:Pregnancy
chemical_list: D003281:Contraceptives, Postcoital