HELP LADIES!!!

I NEED HELP!!

I have “started” my monthly again, although I don’t believe it is... nothing comes out onto a pad or on the toilet when I sit down.. ONLY when I wipe.

It is brown/red blood. I have looked up everything I can regarding implantation bleeding since it’s been almost 2 years since having my first born.

My original July period would have started July 6th and instead started June 29th. In a post I read it says that spotting occurs 7 days before your period...

So here’s the kicker... I have taken a test already & as of July 1st it was negative! I am on BC & have a strict schedule as I don’t miss changing days/times, etc. So am I overthinking this? Should I wait until my projected start date to take another test?

Any information/advice would be helpful and appreciated.

*picture of my glow calendar