Urethral Bleeeding after Surgery - Should I be Concerned?

I had laparoscopic surgery for ovarian cysts three days ago. A urinary catheter was in place during the surgery. Ever since then, I have had a significant amount of bleeding from my urethra. I have no pain or burning when I urinate. The bleeding occurs even when I am not urinating, to the point where I need to wear a pad. At first I thought it might be vaginal bleeding, since it was about the same amount of blood I would normally get with my period, but it’s definitely coming from the urethra. I called the doctor who did my surgery and she just told me to be sure to drink plenty of fluids. Has anyone had a similar experience or is this something I should be concerned about?