S.S.
If we're talking bleeding from the incision, then I would say 'no' and call your doctor immediately.
If we're talking vaginal bleeding, I would say 'yes' - the uterus is doing serious "spring cleaning" now that you've given birth, and the birth method (vaginal vs. c-section) has nothing to do with it. But if you're worried about it at all, call your doctor. That is, after all, what we pay those doctors the big bucks for!
Congrats on the new baby, too!