The single umbilical artery: a five-year survey.
D000015:Abnormalities, Multiple / Q000453:epidemiology; D018376:Cardiovascular Abnormalities; D002490:Central Nervous System / Q000002:abnormalities; D000013:Congenital Abnormalities / Q000453:epidemiology; D004065:Digestive System Abnormalities; D004702:Endocrine Glands / Q000002:abnormalities; D005260:Female; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D008297:Male; D009139:Musculoskeletal Abnormalities; D015619:Respiratory System Abnormalities; D012737:Sex Factors; D012868:Skin Abnormalities; D014469:Umbilical Arteries / Q000002:abnormalities*; D014564:Urogenital Abnormalities