Usually, it is recommended to take folic acid until 3 months after pregnancy. Of course, it can also be taken throughout the entire pregnancy. Active supplementation of folic acid in early pregnancy can prevent fetal neural tube malformations, as well as promote the development of various fetal systems. Especially in the 3-6 months of pregnancy, taking folic acid can also prevent zinc deficiency, which is also beneficial to the development of intelligence, and can prevent fetal developmental delays and reduce the incidence of low-birth-weight babies, so insisting on taking it will help the development of the child. It is also recommended to take in from the diet, eat more food rich in vitamins and proteins, you can eat more milk, meat, eggs and fresh fruits and vegetables, it is very good for the pregnant woman herself and the fetus.