title: Folic acid supplements taken early in pregnancy reduce facial cleft risk.
mesh_terms: D002971:Cleft Lip / Q000517:prevention & control*; D002972:Cleft Palate / Q000517:prevention & control*; D005260:Female; D005492:Folic Acid / Q000627:therapeutic use*; D006801:Humans; D011247:Pregnancy; D014803:Vitamin B Complex / Q000627:therapeutic use*
chemical_list: D014803:Vitamin B Complex; D005492:Folic Acid