Period and new birth control.

Chelsea
I stopped my old birth control for a month had a period a very heavy one at that. And then started my new one when i started to have the heavy period. Now its been a week and 2 days and i havent started my period. Yet i spotted brown during my new pills and even spotter during my last pill but never had a period... idk whats going on. Im not pregnant. What do i do?