[Several problems in breech presentation].
D001724:Birth Weight; D002585:Cesarean Section; D005260:Female; D005313:Fetal Death / Q000209:etiology; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D007746:Labor Presentation; D011247:Pregnancy; D014470:Umbilical Cord