A better way to look at birth data.
D036861:Delivery, Obstetric / Q000379:methods; D005260:Female; D005313:Fetal Death / Q000453:epidemiology*; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D010298:Parity; D011247:Pregnancy; D011295:Prenatal Care; D012923:Social Class; D006113:United Kingdom