Hyperextension of the foetal head--? The best mode of delivery.
D001720:Birth Injuries / Q000209:etiology; D001946:Breech Presentation; D002585:Cesarean Section; D036861:Delivery, Obstetric; D005260:Female; D005333:Fetus / Q000000981:diagnostic imaging; D006257:Head; D006801:Humans; D007231:Infant, Newborn; D007746:Labor Presentation; D011247:Pregnancy; D011647:Puerto Rico; D011859:Radiography