Neural tube defects is prevented by: (A) Folic acid, (B) Vitamin B12, (C) Vitamin B6, (D) Vitamin - C
Answer is A. (Folic acid) (343 - Dutta 6th)Pre pregnancy folic acid therapy (4mg daily) is given when there is any history of neural tube defects in previous birth. Therapy is started 1 month before conception and is continued in the first trimester