Women need to take folic acid before pregnancy. Folic acid is a water-soluble vitamin, for cell division has a more important role in the process of embryonic development of cell division is more important, so in the pre-pregnancy preparation for the period of time you need to take folic acid, to improve the quality of women’s eggs as well as the formation of fertilized eggs are more helpful. Moreover, folic acid supplementation also helps prevent fetal neural tube malformations, which is conducive to the healthy development of the fetus. Generally speaking, you need to take folic acid in the first trimester of pregnancy and the first three months after pregnancy, and if you have the condition, you can test the folic acid gene to decide the dose and time of taking folic acid. In addition, we also need to pay attention to balanced nutrition, do not picky food, to ensure adequate sleep, do not stay up late, and to maintain a good state of mind, which is conducive to the healthy development of the fetus.