It could be your body is just adjusting to the pill, sometimes you bleed a little more then usual until your body gets use to it. But if your really concerned and need more information call your g y n for an appt. and go take a pregnancy test. Goodluck and keep me informed.
B/C pills can do that to some women. I had one pill I took for 3 months and was bleeding all 3 months. After taking a different pill i didnt have that problem. You should call the doc and let them know. You may need to switch pills.