Pelvic contraction in breech presentation.
D000328:Adult; D002585:Cesarean Section; D036861:Delivery, Obstetric; D005260:Female; D006801:Humans; D007226:Infant Mortality; D007746:Labor Presentation; D007744:Obstetric Labor Complications; D010384:Pelvic Bones; D010387:Pelvimetry; D011247:Pregnancy