General preoperative preparation for HSG (hysterosalpingography) and SSG and FTR (selective tubal angiography and recanalization): First, make sure that your period is regular (usually around 25 to 40 days), you need to have a gynecological examination before the procedure, and if you are negative for trichomonas and mycobacteria, you can make an appointment, and the procedure is usually scheduled 3 to 7 days after your period clears. No intercourse is allowed in between. Specific steps: Go to the gynecological outpatient clinic within 3 days after menstrual cleansing, and after passing the examination, the outpatient physician will issue an application form and relevant medication, and then go to the outpatient lobby (for HSG patients) or radiology department (for SSG patients) for an appointment, and go to the radiology department for examination or treatment within the specified time. Precautions after treatment: no intercourse and no tub bath for 2 weeks after surgery, SSG patients must take oral antibiotics for 3 days.