If a woman does not take folic acid during pregnancy, she needs to judge according to her body condition, mainly: 1. If a woman often eats bananas and other fruits containing more folic acid during pregnancy, her body is not deficient in folic acid, not taking folic acid will not affect the fetus. 2. Folic acid supplementation can promote fetal neurodevelopment and prevent neural tube development malformations in the fetus. It is clinically recommended that women should take folic acid supplements regularly during the first trimester and the first trimester of pregnancy, and should also eat more fresh fruits and vegetables during pregnancy to supplement folic acid.