Is it possible to implant 6 days after period

Sa

My last period was January 28th thru February 5th, I was sexually active February 6th(highlighted Blue💙) and spotted from February 11-13(highlighted yellow💛) . I’m currently 5 weeks , 4 days pregnant and wondering if that could have been when i conceived ? I wasn’t sure if it was possible since implantation bleeding would have been after ovulation but I have been confirmed :) thank you !

Days in green are my ovulation days

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