When preparing for pregnancy, couples usually adjust their dietary structure, lifestyle habits and medication to make it easier for them to get pregnant and reduce the possibility of deformities in the child. 1. Adjusting the diet structure: during the preparation for pregnancy, couples should eat a light diet, and eat more high-protein and high-nutrition food. 2. Adjusting lifestyle habits: couples should change their bad lifestyle habits during pregnancy preparation, go to bed early and get up early, avoid staying up late for a long time. At the same time, couples need to carry out appropriate physical exercise, which can improve the quality of eggs and sperm, and thus improve the probability of conception. 3. Medication: If both husband and wife have physical abnormalities, you need to go to the hospital for a detailed examination, under the guidance of the doctor, the use of medication to regulate. In addition, you need to take folic acid during the preparation period, which can prevent fetal neural tube malformations, such as spina bifida, anencephaly, etc., and reduce the incidence of neural tube malformations.