To make a diagnosis, your doctor will ask about your symptoms and your medical history and conduct a physical exam. Your doctor might recommend a number of tests to determine the cause, location and length of the urethral stricture, including:Urinalysis — looks for signs of infection, blood or cancer in your urineUrinary flow test — measures the strength and amount of urine flowUrethral ultrasound — evaluates the length of the stricturePelvic ultrasound — looks for the presence of urine in your bladder after urinationPelvic magnetic resonance imaging (MRI) — assesses whether your pelvic bone is affecting or is affected by your conditionRetrograde urethrogram — uses X-ray images to check for a structural problem or injury of the urethra as well as the length and location of the stricture along the urethraCystoscopy — examines your urethra and bladder using a thin, tubelike device fitted with a lens (cystoscope) to view these organs