In the early stages of pregnancy, you should pay attention to developing good living habits, supplementing folic acid, paying attention to disease prevention, and following the doctor’s instructions for obstetrical examination, etc., as well as avoiding exposure to toxic substances and unauthorized use of medication. 1. Adopt good living habits: Diet should pay attention to balanced and comprehensive nutritional intake, diversification of ingredients, banning smoking and limiting alcohol; ensure sufficient sleep every day, pay attention to maintaining a calm mood; moderate activity to enhance body resistance; avoid heavy physical labor and prohibit coitus to prevent miscarriage. 2. Supplement folic acid: During the preparation for pregnancy and the early stages of pregnancy, it is necessary to supplement folic acid to prevent neural tube deformities in the fetus. 3. Pay attention to disease prevention: After pregnancy, due to hormonal changes in the body, the ability of pregnant women to prevent diseases will be reduced, so they should pay attention to dressing appropriately to avoid catching colds and flu; at the same time, they should go to places with heavy flow of people less often in order to avoid infection with bacteria or viruses. 4. Follow the doctor’s instructions for maternity checkups: The purpose of maternity checkups is to check the development of the fetus and the health of the pregnant woman, and to help the pregnant woman to prevent diseases and treat them as early as possible. 5. Avoid contact with toxic substances: Toxic substances include pesticides, insecticides, lead, mercury, benzene, formaldehyde, etc., which can easily lead to fetal deformity or miscarriage. 6. Avoid unauthorized use of drugs: some drugs such as antibiotics, hormones, vitamins and hypnotic sedatives can directly or indirectly affect the fetus, especially in the process of embryonic differentiation in early pregnancy, and in severe cases, can lead to malformations, so pregnant women who need to use medication need to be strictly in accordance with the instructions of the doctor. If you have any other questions, it is recommended that you consult a medical professional for guidance.