8 days late/ implantation?

Hi there! I'm 8 days late...although my periods have been super irregular lately so who really knows...anyway I could be anywhere between 11 and 15 dpo. Never really saw a peak lh strip.

Fast forward to today. No signs of pending af like cramps or usual sore boots except I started this weird pink cm spotting which I never get before af!

Could this be implantation spotting? Or period Starting ? Anyone with similar experience??

If I ovulated late would 8 days late still be too late for possible implantation?

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