The following precautions should be taken during pregnancy: 1. Keep your mood relaxed during pregnancy, move appropriately and avoid prolonged bed rest. 2. Sexual intercourse is prohibited in early pregnancy (1-3 months) and late pregnancy (7-9 months). 3. Regular prenatal checkups are recommended to monitor weight and blood pressure, and regular blood tests for ultrasound to understand the growth of the fetus. 4. If you have diabetes, hypertension, abnormal thyroid function or rheumatic immune disease, you should follow up with the relevant department regularly. 7. , original and copy of marriage certificate, birth certificate, etc.