The prophylaxis of folate deficiency in pregnancy.
D002986:Clinical Trials as Topic; D005365:FIGLU Test; D005260:Female; D005492:Folic Acid / Q000008:administration & dosage* / Q000097:blood; D005494:Folic Acid Deficiency / Q000517:prevention & control*; D006801:Humans; D007501:Iron / Q000627:therapeutic use; D010919:Placebos; D011247:Pregnancy; D011248:Pregnancy Complications / Q000517:prevention & control*
D010919:Placebos; D005492:Folic Acid; D007501:Iron