Folic acid and vitamin B12 supplementation during pregnancy in a population subsisting on a suboptimal diet.
D000748:Anemia, Macrocytic / Q000517:prevention & control*; D004032:Diet; D005365:FIGLU Test; D005260:Female; D005492:Folic Acid; D006400:Hematocrit; D006452:Hemoglobinometry; D006801:Humans; D011247:Pregnancy; D011250:Pregnancy Complications, Hematologic / Q000517:prevention & control*; D011295:Prenatal Care; D013019:South Africa; D014805:Vitamin B 12 / Q000097:blood
D005492:Folic Acid; D014805:Vitamin B 12