Ttc journey

I am officially 10 days late for my period an I still get negative test, so I’m starting to feel like this is like when I got pregnant in 2018.. I missed the whole month of august, and still nothing in September so I tested the 23rd an got a positive.. An suggestions on what I can do so I don’t have to wait over a month, or so to know what is going on?

My periods are normally very regular like clock work every month, and I do not know how to track my ovulation sadly to say..