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US Sonohysterogram

An ultrasound is a safe and painless test that uses sound waves to make images of the internal structures of the body. The study will take approximately 30 minutes.

What to expect during the procedure:

  • The patient will be asked to change into a gown and lie on a table. The exam room is usually dark so the images can be seen clearly on the computer screen.
  • The sonohysterogram consists of two parts.
    1. The technician will do both a transabdominal (ultrasound probe on your skin) and a transvaginal (ultrasound probe in the vagina) ultrasound of the pelvis. You will likely be asked to urinate in the restroom.
    2. The radiologist will then place a small catheter in the cervical canal. The technician will again take ultrasound images with a transvaginal probe while the radiologist injects sterile saline into the uterus.


  • You need to have a full bladder for the study. Please do not urinate once you reach the office. If you do not feel your bladder is full, please drink water once you arrive at the office.