Fetal abnormalities associated with umbilical cords containing one umbilical artery and one umbilical vein.
D000013:Congenital Abnormalities / Q000209:etiology*; D005312:Fetal Blood; D006801:Humans; D013909:Thorax; D014469:Umbilical Arteries; D014470:Umbilical Cord / Q000098:blood supply*; D014471:Umbilical Veins
ABNORMALITIES/etiology; UMBILICAL CORD/blood supply