Relationship between length of gestation, birth weight and certain other factors.
D000886:Anthropometry; D001724:Birth Weight; D005260:Female; D005865:Gestational Age; D006801:Humans; D007226:Infant Mortality; D007228:Infant Nutrition Disorders / Q000453:epidemiology; D007231:Infant, Newborn; D007232:Infant, Newborn, Diseases / Q000453:epidemiology*; D007234:Infant, Premature; D008297:Male; D011446:Prospective Studies; D012140:Respiratory Tract Diseases / Q000453:epidemiology