What is an x-ray of the uterus and fallopian tubes called?

An X-ray of the uterus and fallopian tubes is called a hysterosalpingogram (HSG). This procedure involves the injection of a contrast dye into the uterine cavity, which is then visualized using X-ray imaging. It is commonly used to assess the shape of the uterus and check for blockages in the fallopian tubes, often as part of fertility evaluations.