In the early stages of pregnancy, pregnant women need to take folic acid to minimize the condition of congenital malformations in the fetus. In the early stages of pregnancy, the embryo is in the process of gradual growth and development, if the lack of folic acid, it may cause neural tube malformation and other congenital malformations of the fetus. Therefore, in the early stages of pregnancy, pregnant women need to take a moderate amount of folic acid, can minimize the occurrence of congenital malformations. Folic acid belongs to the vitamin class of drugs, in the preparatory period, the early stage of pregnancy, as well as the middle and late stages of pregnancy, can be taken in moderation, not only to prevent neural tube malformation, but also to prevent megaloblastic anemia. Folic acid needs to be applied under the guidance of a professional obstetrician and gynecologist, do not use it on your own.