Arrest of the after-coming head in breech birth caused by chin-to-pubis rotation.
D002680:Chin; D004841:Episiotomy; D005260:Female; D005865:Gestational Age; D006257:Head; D006801:Humans; D007231:Infant, Newborn; D007746:Labor Presentation; D008722:Methods; D011247:Pregnancy; D011630:Pubic Bone