Dye is passed through the cervix into the uterus and X-rays show whether it spills from the ends of the tubes. It is a priority test in Nigeria because tubal damage after pelvic infection is a common identified cause of infertility. Most people describe cramping like period pain during the procedure.
Fertility Glossary
Hysterosalpingogram (HSG)
An X-ray test showing whether the fallopian tubes are open.