I need help...Im 18 years old and i have been on birth control pills over a year now.I've had a regular period for almost 8 months now...my last period started oct 28 and 11 days after that i missed 3 pills n had unprotected sex all three days now 5 days before this months period i started havin brown blood coming out its not light n its not heavy at all...i havent had ne signs of my period this month nor did i last month and everything was regular last month unlike this month..i know brown blood is a sign of old blood but could it also be from missing my pill or could it mean that im pregnant..i dnt know whats going on plezz help me...and or explian things to me....just ne one help...