Implantation on 14dpo? Anyone had this experience?

Cynthia • TTC #2
Hi ladies, I missed my period for about 2 days and on 3rd day of supposedly missed period, I saw light brown spottings. I'm not sure if it's AF but the spotting is so little and it comes and go. 
​Anyone experiences implantation bleeding on 14dpo, tested negative prior but got BFP after the spotting?
​Not trying to get my hopes high for this month but just curious and wonder of there's a glimpse of hope still.