title: Impregnation and delivery per rectum: an obstetrical freak.
mesh_terms: D000293:Adolescent; D036861:Delivery, Obstetric; D005260:Female; D006801:Humans; D008297:Male; D011247:Pregnancy; D011248:Pregnancy Complications; D012003:Rectal Fistula / Q000601:surgery*; D014521:Urethra / Q000002:abnormalities*; D014719:Vesicovaginal Fistula / Q000601:surgery*