I have been sexually active for a month with no condom and I have been on the pill for a few months now and have taken it regularly never missed a pill although I think j accidentally took two pills in one night and continued the rest regularly. I have been having a very light brown smile discharge only when I wipe for a week now and I have two placebo pills left. I have very very faint green veins on my breast and chest but I'm not sure if this is recent or if it's always been there but I only noticed because I've been so paranoid. am I pregnant? please help