An Imaging test that studies, diagnosis and examine the urethra for detecting structural disorders or abnormalities, which can not be seen in normal Xray is known as Retrograde Urethrogram (RGU).
Urethra is the narrow muscular tube that drains urine from the bladder.
It takes only about 10-20 minutes to perform the same.
It is a safe technique that does not harm the human body