The single umbilical artery--a study of 1,073 consecutive deliveries.
D005260:Female; D005313:Fetal Death / Q000209:etiology; D006801:Humans; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000209:etiology; D008297:Male; D011247:Pregnancy; D014469:Umbilical Arteries / Q000002:abnormalities*