Pregnancy Why take folic acid

Folic acid should be taken before 3 months of pregnancy. Folic acid can effectively prevent fetal neural tube development defects, so every pregnant woman must eat it. Folic acid can be taken before and after 3 months of pregnancy, that is, it needs to be eaten for half a year. The commonly used dose is 0.4mg once a day, and it can also be eaten until childbirth. If there is a history of poor pregnancy or folic acid metabolism disorders, you need to eat 0.8 mg once a day, to start eating 3 months before pregnancy, must eat until delivery, so that you can effectively reduce the incidence of fetal neural tube development abnormalities.