i have been on the pill for 8 years. and my boyfriend and i also use condoms. a few weeks ago we didnt use a condom but i still took my pill. i think i may have accidentally forgotten to take one pill but this was a few days after and we didnt have sex. im not due on for about a week and a half and today i bled slightly, it was brownish in colour AS apossed to a regular period. im worried i might be pregnant. please help. any advice would be most welcome.