Implantation bleeding?

Bri • rainbow baby boy 🌈 💙J.R.H 11/5/19 Sweet baby girl 💕J.M.H 7/18/22

Okay so my period isn’t due for 3 days and this is the 2nd time it’s done this today. I have never spotted before my period. My back has been hurting some in the Lower area, a little bit tired but no cramping. Can anyone help??