[Prenatal care: part II].
D003935:Diagnostic Techniques, Cardiovascular; D005260:Female; D005492:Folic Acid / Q000008:administration & dosage; D006801:Humans; D011247:Pregnancy; D011295:Prenatal Care / Q000379:methods*; D014815:Vitamins / Q000008:administration & dosage
D014815:Vitamins; D005492:Folic Acid