Have never been sexually active and so have never taken birth control but my boyfriend and me were making out naked the day after my period ended and i thought some precum got on my vagina so the next day, i took Plan B. Got no spotting or bleeding whatsoever and missed 2 periods. Took many pregnancy tests - all negative. Now I’m a little over my date for the 2nd period and I’m getting a brown discharge. Need any info and help I can get