1. physical examination: conduct a comprehensive physical examination, including physical condition, reproductive system, genetic disease history and other aspects to ensure good health.
2. Nutritional conditioning: reasonably match the diet, increase the intake of nutrients such as protein, vitamins and minerals, and improve the body's immunity and disease resistance.
3. Adjustment of living habits: Quit smoking and limit alcohol, avoid contact with harmful substances and maintain good living habits.
4. Disease treatment: Women with chronic diseases (such as hypertension and diabetes) need treatment and control their illness.
5. Vaccination: Vaccination with rubella vaccine can prevent fetal congenital rubella syndrome.
6. Avoid drug effects: avoid using some drugs that may have adverse effects on the fetus before pregnancy, such as some antibiotics and anticancer drugs.
7. Psychological adjustment: maintaining a happy mood and reducing stress will help improve pregnancy rate and fetal health.