Effect of parity on optimal and critical birth weights.
D001699:Biometry; D001724:Birth Weight; D005260:Female; D005826:Genetics, Medical; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D008297:Male; D008433:Mathematics; D010298:Parity; D011247:Pregnancy; D006113:United Kingdom