During pregnancy, it is necessary to pay attention to on-time labor and delivery checkups, increased nutrition, and appropriate exercise. 1. On-time delivery test: reasonable and standardized delivery test during pregnancy can timely detect pregnancy complications or complications, as well as fetal abnormalities, in order to protect the safety of mothers and children. Therefore, after pregnancy, we should follow the doctor’s instructions to take obstetrical examination on time, observe the progress of pregnancy dynamically according to the risk of pregnancy, and carry out the appropriate fetal abnormalities screening and maternal comorbidities screening at the appropriate gestational weeks. 2. Increase nutrition: With the increase of gestational weeks after pregnancy and the growth of the fetus, it is necessary to ensure adequate nutritional intake during pregnancy to meet the development of the fetus and the physiological needs of pregnant women. Appropriate increase in food containing protein, iron, calcium, vitamins, dietary fiber and other nutrients, such as meat, dairy products, fish, poultry and fresh fruits and vegetables. 3. Appropriate exercise: weight gain during pregnancy has a greater impact on the health of the mother and child, so those who are stable during pregnancy can maintain a moderate amount of physical exercise under the guidance of the doctor, such as yoga, gymnastics and walking for pregnant women, in order to ensure that the weight of the appropriate growth, reducing the risk of pregnancy, but also conducive to the natural delivery of the late stages of pregnancy.