(1) It is forbidden to marry close relatives to reduce the occurrence of genetic diseases. Pre-marital examination and paying attention to family planning after marriage, so as not to cause misfortune after marriage or affect the health of the next generation, is the premise of prenatal and postnatal care.

(2) Pay attention to prevent various epidemic and infectious diseases after pregnancy, especially viral diseases such as influenza, rubella, mumps and hepatitis. Avoid contact with X-rays, prohibit contact with radioactive substances, and use drugs rationally to minimize the side effects of drugs on the mother, especially the fetus.

(3) check pregnancy on time. If there is a history of genetic diseases in the family, genetic counseling and prenatal eugenics should be carried out to limit the birth of babies with congenital abnormalities. If the fetus is abnormal, the pregnancy should be terminated in time.

(4) Pay attention to health care during pregnancy, strengthen health care during pregnancy, increase nutrition and avoid partial eclipse, so as to supply the nutrition needed for fetal growth and provide good conditions for fetal growth and healthy growth after birth.

(5) Pay attention to exercise, have a regular lifestyle and be optimistic. At the same time, drink less drinks containing * * *, drink less, ban smoking, and pay attention to prenatal education.