[Disturbances of umbilical blood flow and variable deceleration].
D036861:Delivery, Obstetric; D005260:Female; D005318:Fetal Heart / Q000502:physiology*; D006339:Heart Rate; D006801:Humans; D007231:Infant, Newborn; D011247:Pregnancy; D012039:Regional Blood Flow; D014470:Umbilical Cord / Q000098:blood supply*