Please help

Nicole

I'm so confused of what's going on I'm 8 days late with my period this morning I woke up to used the bathroom and I wipe 3 times there was blood so I immediately put a tampon in so as the day and evening goes on I didn't see any blood my bf and I had sex twice still didn't see nothing on his thing few hours later I used the bathroom again there's the blood again so can somebody tell me is it my period or is it implantation bleeding