The postcoital copper-T.
D000293:Adolescent; D000328:Adult; D002648:Child; D003075:Coitus; D003300:Copper; D005260:Female; D006801:Humans; D007434:Intrauterine Devices; D008598:Menstruation; D011247:Pregnancy; D013997:Time Factors
D003300:Copper