unusual?

Kaylee • 18yrs old 👱🏽‍♀️Taken 11.5.14 engaged 💍 Tattoo Artist 💉 TTC 👶🏼🤰🏼
I previously posted a picture of a test with a very faint line and now when I was supposed to start my period instead of blood I got the brown old blood stuff.. is that implantation bleeding? I usually get it after a period and I'm confused. Does that mean I actually am pregnant?