miscarriage??

Angel

okay so me and my boyfriend have been having sex on a regular, didn't think to take a pregnancy test due to I haven't missed it. I was to start my period today. which I did but it was wayyyyy different than any normal period. it was really light pink to start when it's usually a brownish red to start and it has been super light until I just passed a half dollar clot and now the bleeding has picked up. am I possibly having a miscarriage?