Never ever had any breakthrough bleeding on pills and I've been on a few. I'm now on loestrin 20 and I started my period mid pack it's not breakthrough bleeding it's been 6 days now. My periods before pregnancy were only 4/5 days max just want to know how long it will last I got back to work on Sunday and I'm trying everything to stop it by then. I want to go bk to work stress free. Any advice