Neural tube defect is due to deficiency of: March 2012: (A) Vitamin B12, (B) Thiamine, (C) Folic acid, (D) Riboflavin
Answer is C. Ans: C i.e. Folic acid Folic acid supplementation beginning 1 month before conception to about 12 weeks of pregnancy has reduced the incidence of neural tube defects significantly (85%).