TMI -picture! Could this be implantation bleeding?!

Ci
Hey guys so last night I went to pee around 1am and wiped and this showed up AF isn't due til may 5th! But at the same time I do have PCOS with crazy irregular periods. I tested today and BFN
​What do u guys think?! Could I be getting my period sooner ? Because I. Have been having back pain but I get that when I'm going to have my AF visit too.