Hysterosalpingogram
HSG is an imaging test using dye and X-rays to check uterine shape and fallopian tube patency.
Fallopian Tubes and Uterine Evaluation
The fallopian tubes are tubular structures that are attached to the right and left sides of the uterus. Each tube is about the size of a pencil and consists of a lumen surrounded by smooth muscle. The lumen is trumpet shaped, the end attached to the uterus is narrow and the end adjacent to the ovaries is wide.
The fallopian tubes have three important functions:
3D Sonohysterography is a diagnostic test involving the use of saline as a contrast agent inside the uterine cavity. Injecting saline into the uterine cavity increases the ability to see problems in the cavity and in the wall (myometrium) of the uterus.
What to expect
A hysterosalpingogram (HSG) is done by placing a speculum into the vagina, cleaning off the cervix with a mild soap solution and then passing a thin catheter through the cervix into uterine cavity. Contrast or “dye” is then slowly injected into the uterine cavity. As the contrast passes through the fallopian tubes, X-ray images are taken. The catheter is then removed and images of any uterine or tubal abnormality can be studied and reviewed with the patient.
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