If you are pregnant, it is a critical period for the development of the embryo. If you are affected by adverse factors, it can easily lead to abnormal pregnancy outcomes such as miscarriage, stillbirth or abnormal fetal development. When you are just pregnant, you should pay attention to: 1. stop smoking and drinking alcohol and stay away from these places; 2. restrain your desire for sex and try to abstain from sex; 3. be physically active, but do not engage in strenuous exercise or heavy physical labor; 4. drugs have obvious effects on the development of the embryo, so avoid taking them without clear indications; 5. folic acid supplementation in early pregnancy is The folic acid is necessary and should be taken in accordance with the doctor’s instructions. 6, a balanced and comprehensive supply of nutrients to ensure the healthy development of the baby, pay attention to a diverse diet, balanced and comprehensive nutrition.