Pregnancy in the underweight woman.
D001835:Body Weight; D005260:Female; D005317:Fetal Growth Retardation / Q000209:etiology; D006801:Humans; D011247:Pregnancy; D011248:Pregnancy Complications / Q000209:etiology*; D011295:Prenatal Care; D014815:Vitamins / Q000627:therapeutic use
D014815:Vitamins