Weird Spotting or Implantation?

So AF is 2 days away. Today I had slight cramping and when I went to the bathroom I noticed I had extremely light pink blood on the toliet paper. I went ahead and put a pad on think AF was coming early but nothing was on there the next time I used the restroom but it was on the tissue I wiped with. (I forgot to bring phone in bathroom both times) I Went again to the restroom still nothing is on the pad and now nothing on toliet paper. My cycle is super duper regular and 1st day is always extremely heavy and painful.

Sorry for TMI but I am really confused. What do you think?

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