Implantation bleeding 10dpo

Hi my name is Meghan, I’m 19 years old and I’m currently TTC #1 for 8 months now.

Today I am currently 10dpo and have been experiencing light blood/ brown discharge. I have sore boobs and cramps but I get like this every month but this month they’re not as sore so I’m a little bit confused. I’m not sure If this is implantation bleeding or just my period starting, I never usually get my period during the day I always wake up on the day I’m due and it’s there, but I’m not due till Sunday, can y’all help me out is this my month? Is this implantation bleeding?