Is this implantation bleed?!?

So guys monday i came down with a cold so quickly felt so ruff, i had lower abdomen cramps not bad jst a little niggly and like a random shooting pain up my vagina.. tuesday mid evening i goes the tolit in my underwear there was pink cm and when i wiped a tiny bit the nothing else.. wednesday (today) i have niggly pains going on goes the tolit in the afternoon and theres like brownish stains in my undewear so i changed them thought nothing of it then a hour or so later happend again mixed with cm pics below (sorry if tmi) im just praying it is.. i am on 8dpo.