The doctor cannot always tell. Medical examination of the "intact" hymen.
D000293:Adolescent; D000328:Adult; D003075:Coitus; D003951:Diagnostic Errors; D004739:England; D005104:Expert Testimony; D005260:Female; D006801:Humans; D006924:Hymen / Q000293:injuries*; D008875:Middle Aged; D010808:Physical Examination; D011902:Rape; D012746:Sexual Abstinence; D012725:Sexual Behavior