title: [Breech deliveries and perinatal mortality].
mesh_terms: D000328:Adult; D001946:Breech Presentation; D005260:Female; D005313:Fetal Death / Q000453:epidemiology*; D006801:Humans; D007226:Infant Mortality; D007230:Infant, Low Birth Weight; D007231:Infant, Newborn; D007746:Labor Presentation; D008297:Male; D008423:Maternal Age; D011247:Pregnancy; D012744:Sex Ratio
vernacular_title: Porody miednicowe a śmiertelność okołoporodowa.