The value of folic acid supplements in pregnancy.
D000328:Adult; D000740:Anemia / Q000453:epidemiology; D005260:Female; D005492:Folic Acid / Q000097:blood / Q000627:therapeutic use*; D006452:Hemoglobinometry; D006801:Humans; D007501:Iron / Q000627:therapeutic use; D011247:Pregnancy; D011250:Pregnancy Complications, Hematologic / Q000453:epidemiology / Q000517:prevention & control*
D005492:Folic Acid; D007501:Iron