Vasa previa. Report of 3 cases.
D000293:Adolescent; D000328:Adult; D002585:Cesarean Section; D005260:Female; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D011247:Pregnancy; D011248:Pregnancy Complications; D012127:Respiratory Distress Syndrome, Newborn; D014469:Umbilical Arteries; D014470:Umbilical Cord / Q000098:blood supply*; D014471:Umbilical Veins