Whether gynecological examination can be performed after intercourse needs to be based on the specific type of examination to be done, and cannot be generalized. In most cases, gynecological examination after intercourse is not recommended: 1. Check for cervical erosion, polyps, cysts and vaginal lesions: If you want to clarify the presence of cervical erosion, cervical polyps, cysts and other diseases, or need to observe lesions in the vagina, you can do it after intercourse, through the vaginal built-in speculum It will not affect the examination results. 2. Confirm abnormal performance after intercourse: If women have symptoms such as increased leucorrhea, vulvar itching, purulent leucorrhea and vaginal bleeding after intercourse, they should promptly cooperate with the doctor for gynecological examination to clarify whether they are suffering from vaginitis and other diseases so that they can be treated symptomatically as early as possible. 3. Check whether they are infected with HPV virus: If they need to confirm whether they are infected with HPV virus, the If it is necessary to confirm whether there is cervical precancer and cervical cancer, TCT and HPV screening are usually carried out, and it is generally recommended to carry out the examination after 24 hours after intercourse. This is because during intercourse, the vaginal environment and cervical surface cells may be easily damaged due to semen or condom material, which may affect the test results and be detrimental to the correct diagnosis of the disease resulting in a missed diagnosis. In addition, note that vaginal douching and cathodial ultrasound are prohibited before the examination.4. Checking the endometrium: If you want to check the endometrium, you need to apply vaginal ultrasound, or when performing gynecological examinations in areas such as tubal imaging, it is also not suitable to be performed after intercourse.