An occasional CT after pregnancy has no effect, frequent CT examinations may increase the chance of fetal malformation and miscarriage. It is not recommended to do CT examination after pregnancy, there is no effect to do CT examination once in a while after pregnancy, frequent CT examination after pregnancy, the dose of ionizing radiation received is relatively large, X-ray ionizing radiation will cause damage to genetic, blood system, reproductive system, etc., which may increase the chances of fetal malformation and miscarriage. After pregnancy has been done CT examination, to determine whether there is no effect on the fetus, to regularly do a good job of pregnancy maternity examination, such as NT examination, Down’s syndrome, four-dimensional ultrasound, amniocentesis, non-invasive DNA and other tests, there is an abnormality can be further examination. You can’t do CT examination at will after pregnancy, and you should go to the hospital to let the professional doctor judge after checking if you are not feeling well.