please help

Trudi

Good day everyone I don't normally post things like this but I need some help. I'm 26 and a mommy. my son is now 5 years old. my period started yesterday but was a few days late yesterday it was only a little so little I used toilet paper. today it a little more but not a lot yet again I'm using toilet paper just to put out how little it is. my usual period ill be feeling like I'm Almost dead bleeding alot but it's not. so I took a test and got a bfn. what could be the problem am I pregnant or is my mind playing tricks with me