A hysterosalpingogram is performed by injecting contrast into the uterine cavity and fallopian tubes through a catheter, and then visualizing and photographing them under X-ray. It is used to find out the shape of the uterine cavity, whether the fallopian tubes are open and where the blockage is. The test is less invasive. It can diagnose the exact site of tubal obstruction. It has a little therapeutic effect. Process of uterine tubal examination 1. No sexual intercourse after menstruation 2. Gynecological examination. White belt smear. After exclusion of inflammation of the reproductive tract, the outpatient doctor will issue a request for imaging. 4. Make an appointment with the radiology department for examination. Do the iodine allergy test. Evacuate urine before surgery.