Prophylaxis of anemia in pregnancy.
D000740:Anemia / Q000517:prevention & control*; D005260:Female; D005492:Folic Acid / Q000627:therapeutic use; D006452:Hemoglobinometry; D006801:Humans; D007501:Iron / Q000627:therapeutic use; D011247:Pregnancy; D011250:Pregnancy Complications, Hematologic / Q000517:prevention & control*; D014805:Vitamin B 12 / Q000627:therapeutic use
D005492:Folic Acid; D007501:Iron; D014805:Vitamin B 12