I've been on this birth control for over 8 months. During the 4week of every pack I get my period. But after having my period this time, I started my new pack & a week & a half into this pack I got another period. I've been bleeding 9 days now & only have one pill left in my pack. & suppose to start my period like normal but I've already been bleeding all this time. What should I do? Is this normal??