AF coming? TMI

So yesterday afternoon I had a bit of spotting and then nothing until I went to bed and I had some more. I woke up this morning and nothing until 2 hours later and I had this (see pic) but it’s only when I wipe? My BBT dipped and went back up this morning. Is this just AF coming?

I’m around 12/13dpo.

This is my chart and what I’ve been experiencing.