Report on a case of irreducible constriction ring.
D003250:Constriction; D004420:Dystocia / Q000209:etiology*; D005260:Female; D005333:Fetus; D005734:Gangrene; D006801:Humans; D011247:Pregnancy; D014599:Uterus
DYSTOCIA/etiology and pathogenesis; FETUS; GANGRENE; UTERUS