Please read .. TMI!!

So I had my period 3 ish days ago, then tonight I wiped and it was a light red streak of blood.. (my periods are very regular, never leave and come back) so I was confused... I put a tampon in, and when I took it out there was nothing on it.. well later me and my bf done the do and my stomach was cramping horrendously the whole time, and when we got done I went to clean up and used the restroom and when I wiped the toilet paper had

this on it... could it be my period coming again.. or something else...please help lol..

UPDATE

went to the bathroom 5 minutes later ... almost

nothing.