Periconceptional use of the following agent leads to reduced incidence of neural tube defects?
Folic acid supplementation (4mg a day) staing 4 weeks prior to conception up to 12 weeks of pregnancy is advised.This can reduce the incidence of neural tube defects.Reference: DC Dutta&;s Textbook of Obstetrics, 8th edition, page no:472
Folic acid
Iron
Calcium
Vitamin A
General obstetrics