-- Posted by Anonymous at 10:21 pm on Jan. 4, 2009 I am on the birth control pill to control wacko periods, but for some reason the past two days I have been having a lot of bleeding that should NOT be happening right now because I am in the middle of my pack and I have not missed any pills, what the hell is going on?!   -- Posted by MischaELLE at 10:22 pm on Jan. 4, 2009 go to the doctor. -- Posted by blufindr at 10:22 pm on Jan. 4, 2009 Go to your doctor right now. -- Posted by x0oelizabeth at 10:23 pm on Jan. 4, 2009 go to your doctor or tell your mom asap. -- Posted by OverTheAir at 10:25 pm on Jan. 4, 2009 Breakthrough bleeding is a side effect of almost any birth control pill. Not every pill is going to work for your body, you might need a different brand, a different dosage, etc. I suggest telling your doctor that you are experiencing breakthrough bleeding and together you can discuss if you should change your birth control or not.