Implantation bleeding?

Alyssa • Wifey to my A1 Day1 ♥️ Mommy to 1 sweet girl 🎀 TTC #2 💃🏼

AF not due til 9/8, tested this morning and got BFN. now I’ve started with light brown spotting this afternoon 3 days before AF due...could this be implantation bleeding??