Im 18 ; I Had My Period About 12 Weeks Ago Right After I Finished I Had Unprotected Sex Wih My Boyfriend I Thought I Was Finished But I Went To The Restroom And When I Wiped I Saw Light Blood On My Paper This Has Been Going On For About 4 Days Nows It Seemed To Have Gone Away Then It Came Back Still Very Light . Any Suggestions,?