After the CT examination, it is recommended to prepare for pregnancy after three months, once accidentally pregnant, you need to do a good job in pregnancy checkup programs to do a good job of pregnancy monitoring. 1. Preparing for pregnancy after three months: Because CT examination belongs to the contact X-ray, there may be a certain effect on the reproductive cells, need to wait for the body to recover for a period of time before considering pregnancy. 2. Pregnant in less than three months: although CT examination belongs to the contact X-ray, the impact on the body is very small, clinical reports of CT examination within three months of pregnancy, the rate of definite defects or malformations did not significantly increase. So once accidentally less than three months pregnant, do a good job of monitoring all the tests in pregnancy. CT examination of pregnancy after the best to the hospital, by the doctor according to the specific time of pregnancy and the situation, the development of individualized diagnosis and examination program.