The month before pregnancy did not take folic acid is generally not a big problem, do not have to be too nervous, worried, through the usual diet will also intake of a certain amount of folic acid. Pregnant women know that after pregnancy or to eat folic acid, because in early pregnancy the baby’s nervous system will gradually develop, folic acid deficiency will increase the risk of the baby’s neural tube malformations, so it is recommended that women from the beginning of the plan to get pregnant to eat more folic acid-rich foods, such as animal liver, dark green vegetables, beans and so on. However, if you don’t take folic acid before pregnancy, don’t be too nervous. After pregnancy, you can have a folic acid metabolism test to check your own folic acid metabolism, and follow your doctor’s instructions and arrangements, and have regular ultrasound screenings to check for neural tube malformations.