I had sex with my boyfriend on march 14th and missed taking my birth control before that for several days then on the 16th i took two pills and right after I started bleeding for 5 days. I was originally supposed to get my period between the 12th and 19th of march. We have continued to have unprotected sex since then and now I have been having very light bleeding thats pinkish/brownish color...am i pregnant? help!!!!