I started on birth control about a month and a half ago and when i did was on a sunday right after me and my bf had sex i started to bleed alittle i wasnt sure if it was cuz of having sex then again ive never bleed by sex before so i just started the pill pack my period lasted about 2 weeks now this month im only on the first week of red pills and im started to get the signs of when i would start my period is this bad that im having my periods on the red pills and not the white pills? and is the pils even working right ?