A groin ultrasound is used to assess the area between the upper thigh and abdomen. The ultrasound mostly looks at the muscles and soft tissues in this region of the body, but can also see blood vessels and blood flow. Common reasons for needing a groin ultrasound include assessment of a lump; trauma; pain; and for inguinal or femoral hernias.

Your examination will be done by a sonographer who will introduce themselves, confirm your identity and the procedure you are having. You may be asked to change into a gown or lower the bottom half of your clothing to allow access to the groin area. First, a gel is applied to the skin over the groin area so the ultrasound probe can move freely over the surface of your skin. The examination should not cause pain, but if you are tender in this area, there may be some minor discomfort.

If you are having a scan to investigate a hernia, you will be requested to strain in an attempt to reproduce the symptoms. You may be asked to stand while being scanned to display any hernia that may be present.

Your images will be looked at by a radiologist who will provide a written report for your doctor. Sometimes, the radiologist will speak to you in person during the examination.

Before your Scan

Usually, no preparation is required for a groin ultrasound.

If your doctor is querying conditions such as appendicitis or kidney stones where the pain may be originating in your lower abdomen, sometimes a full bladder will be helpful. Please discuss this with our staff at the time of booking your appointment.

If possible, wear clothing that allows easy access to the area being scanned, such as two-piece clothing (separate upper/lower garments).


Approximately 15 – 30 minutes.

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