Low birth weight babies.
D000293:Adolescent; D000328:Adult; D001724:Birth Weight; D005260:Female; D006801:Humans; D007226:Infant Mortality; D007231:Infant, Newborn; D007235:Infant, Premature, Diseases / Q000401:mortality; D008423:Maternal Age; D010298:Parity; D011247:Pregnancy; D011248:Pregnancy Complications