I am sorry you are having to experience this but assure you, you'll both get through it. An unbelievable amount of bleeding is unfortunately quite normal for several weeks into recovery. Scary, I know. However pale or white gums are always due cause for making an appointment with your vet. Post-surgery follow-ups are usually free or at least cheaper than a normal consult. And it's better to be safe than sorry. Good luck with your journey and be sure to check out my later articles concerning life after Canine Urethrostomy and future care.