Changes in the obstetric management of the high risk obstetric patient and the low birth weight infant.
D001724:Birth Weight; D005260:Female; D006801:Humans; D007231:Infant, Newborn; D010347:Patient Care Planning; D011247:Pregnancy; D011248:Pregnancy Complications / Q000628:therapy*; D011295:Prenatal Care; D014481:United States