What is a Sonohysterogram?

A sonohysterogram is an underutilized but rapid non-invasive procedure used to evaluate many endometrial abnormalities.  It uses ultrasound to look at the inside of the uterus.  Saline solution is instilled in the uterus for a clearer image of the uterine lining.  A sonohysterogram does not use X-rays or an iodine dye.

Why is it performed?
It is a valuable technique for evaluating unexplained vaginal bleeding that may be the result of uterine abnormalities such as:

  • Polyps
  • Fibroids
  • Endometrial atrophy
  • Endometrial adhesions (or scarring)
  • Malignant lesions/masses
  • Congenital defects

It is often recommended and can add valuable insight when the endometrium is not clearly seen on a conventional transvaginal examination. Sonohysterography is also used to investigate uterine abnormalities in women who experience infertility or multiple miscarriages.

What To Expect and How To Prepare

For this test, a small flexible catheter, through which sterile water is instilled, is placed in the uterus. This fluid improves the ability of the vaginal probe ultrasound to visualize the inner cavity of the uterus to look for polyps, fibroids, or other conditions. The entire test takes 20 to 60 minutes.

The sonohysterogram is usually performed between days 5 and 12 of the menstrual cycle. Please make sure you are not pregnant. If you are taking an oral contraceptive (birth control pill), this test can be done any time you are not menstruating.

Please call our office at (973) 912-0404 on the first business day after your period starts to schedule this test. If your periods are regular or predictable, you may schedule the test in advance based on when you anticipate getting your next period. When scheduling this, please make sure to specify that this test is the sonohysterogram ultrasound test.

Please take a pain reliever such as Advil, Motrin, or Aleve prior to your arrival.

Some patients may experience menstrual type cramps or light spotting or watery discharge following the procedure. Nevertheless, most women can resume their normal activities or return to work afterwards.

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The information in this site is not intended to diagnose or treat any medical conditions. If you have a medical condition consult your doctor.