Pathogenesis and prophylaxis of low birth weights.
D001724:Birth Weight; D005314:Embryonic and Fetal Development; D005260:Female; D005865:Gestational Age; D006130:Growth Disorders / Q000209:etiology / Q000517:prevention & control; D006801:Humans; D007231:Infant, Newborn; D007234:Infant, Premature; D008429:Maternal Welfare; D009748:Nutrition Disorders / Q000150:complications / Q000517:prevention & control; D007752:Obstetric Labor, Premature / Q000209:etiology* / Q000517:prevention & control*; D011247:Pregnancy; D012959:Socioeconomic Factors