Changing management of breech presentation.
D000328:Adult; D001724:Birth Weight; D001946:Breech Presentation / Q000379:methods / Q000401:mortality; D005260:Female; D005500:Follow-Up Studies; D005865:Gestational Age; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D007746:Labor Presentation; D011247:Pregnancy