Does hysterosalpingography affect my body and is it necessary? The hysterosalpingogram is performed by injecting a contrast agent (iodine water) into the uterine cavity and the fallopian tubes through a catheter, and then using X-ray fluoroscopy and radiographs to understand the morphology of the uterine cavity, the patency of the fallopian tubes and the site of obstruction. Except for patients with severe oligozoospermia in the male partner, this test is required for all patients with ovulation in the female partner. Iodine water itself is a disinfectant and basically harmless to human body, but X-rays as a kind of radiation, there is a certain amount of radiation, generally need to contraception for a month, before the hysterosalpingogram iodine oil need to exclude pregnancy, do the month of the examination to contraception Oh! Hysterosalpingogram is a very necessary auxiliary test because it can make a correct diagnosis of tubal obstruction and has a certain therapeutic effect.