Hysterosalpingography (also known as HSG) is an X-ray test using dye which can help to investigate problems related to infertility. For example, it may help to detect whether the Fallopian tubes are open. Blockage in the tubes can prevent the sperm and egg from combining together to produce an embryo.
This is a companion discussion topic for the original article at https://patient.info/womens-health/hysterosalpingography