Coitus per urethram and the rigid hymen.
D000328:Adult; D003075:Coitus; D005260:Female; D006801:Humans; D006924:Hymen / Q000002:abnormalities*; D008297:Male; D013518:Surgery, Plastic; D014521:Urethra; D014549:Urinary Incontinence / Q000209:etiology