It is recommended to consider pregnancy after 3 months after taking a chest X-ray, which is a strong radiation test and the radiation will remain in the body. In addition, before planning to get pregnant, it is necessary to do the appropriate health checkups to understand the basic health condition of the body, such as liver and kidney function tests, endocrine tests, eugenics five tests, and routine gynecological examinations, to understand the health of the body before considering pregnancy, which is conducive to eugenics. It is better not to do harmful examinations such as CT examinations, abdominal X-ray examinations or chest X-ray examinations in the first three months of pregnancy planning, which may have certain effects on pregnancy.