Hysterosalpingogram (HSG) it's a procedure that provides information of the fallopian tubes and the uterus. Dye is passed through a small tube through the cervix and into the uterus, this is visualized through X-ray. The dye normally passes through the tubes into the abdominal cavity if the tubes are open. If there is tubal obstruction or complete blockage, the dye is stopped at that point and is seen on x-ray. If the dye does not enter the fallopian tube it may be due to scarring or to spasm of the musculature of the proximal tubes.
HSG is an out-patient procedure, normally takes approximately 20 min, it may cause some discomfort if the tubes are blocked. We recommend that patient take Tylenol half an hour before this procedure, which is done at McMaster Hospital.