C.M.
Most women experience so kind of change in their period after having a baby. If you do not like the birth control you are on, then talk to your doctor about something different. There are all kinds of options out there and since more babies is not really an option, you could even go with something more long term that would possibly get rid of the period all together. Personally, I would go ahead and try without the birth control for a while and see how you do. Give it about 6 months so that you body can regulate itself naturally for a little bit and then if you are still having problems, talk to your doctor about something different. The birth control that you are on now could be causing your problems, not helping them so get to the bottom of the problem instead of just covering it up.