Weight at birth and survival of the newborn by age of mother and total-birth order: United States, early 1950.
D001722:Birth Order; D001724:Birth Weight; D005260:Female; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D008297:Male; D008423:Maternal Age; D011247:Pregnancy; D014481:United States