Prolapse of the umbilical cord.
D001724:Birth Weight; D002584:Cervix Uteri; D002585:Cesarean Section / Q000401:mortality; D036861:Delivery, Obstetric; D005113:Extraction, Obstetrical / Q000401:mortality; D005260:Female; D005313:Fetal Death; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D007234:Infant, Premature; D007746:Labor Presentation; D008722:Methods; D007744:Obstetric Labor Complications; D011247:Pregnancy; D011296:Prenatal Diagnosis; D013997:Time Factors; D014470:Umbilical Cord