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The test is usually done with radiographic contrast medium (dye) injected into the uterine cavity
through the vagina and cervix
. If the fallopian tubes are open the contrast medium will fill the tubes and spill out into the abdominal cavity. It can be determined whether the fallopian tubes are open or blocked and whether the blockage is located at the junction of the tube and the uterus
(proximal) or whether it is at the end of the fallopian tube (distal).
can be painful and it's a good idea to take pain-killers both before and after the procedure to reduce the pain ! Many doctors will also prescribe an antibiotic prior to the procedure to reduce the risk of an infection.
An easy way of reducing the pain is to ask the doctor to use a special balloon catheter instead of the standard metal cannula
.no side effects at all...