Tubal Patency Test
Tubal patency test is a diagnostic test for female infertility work up to check whether the fallopian tubes are open or not so that pregnancy can be planned naturally or by intrauterine insemination (IUI). The various methods to check tubal patency are –
Hysterosalpingography (HSG) – It is a traditional and standard method to check tubal patency. In this dye is pushed through cervix and the x ray images are taken to see the shape of the uterus and tubes and the patency of tubes.
Sonosalpingography (SSG) – It is a special kind of ultrasound in which the fluid is put into the uterus through the cervix using a thin plastic tube and the path of fluid and presence of fluid in pelvis is checked with ultrasound.
Laparoscopy with chromopertubation – It is widely accepted as the ‘‘gold standard’’ and most accurate method for checking the tubal patency. It is done under general anaesthesia. In this dye is pushed from cervix and dye can be seen with naked eyes coming through tubal opening. If there is a blockage the tube, it can be usually be corrected in same sitting in case of laparoscopy.