It is recommended to prepare for pregnancy 3 months after the imaging because the imaging is performed under X-ray, which has strong radiation, and the residual radiation in the body often causes fetal malformations, and this residual radiation will be completely cleared in about 3 months, so it is recommended to prepare for pregnancy 3 months after the imaging. Before preparing for pregnancy, you must start taking oral folic acid tablets, which need to be taken orally 3 months before pregnancy, and continue to be taken until the third month of pregnancy, to prevent fetal neural tube deformities, and to achieve the purpose of eugenics. In addition, before preparing for pregnancy, both husband and wife should adjust their mindset, and strengthen nutrition, stay away from tobacco and alcohol, and live a regular life, which will also play a role in eugenics. It is recommended to have a health checkup in order to understand the health condition of the body and to rule out the possibility of any diseases that are not conducive to pregnancy.