Late Period but negative pregnancy test

Mandashia

OKAY SO I DIDN’T GET MY PERIOD IN JANUARY WHICH IT WAS SUPPOSE TO START THE LAST WEEK OF JANUARY BUT NEVER DID SO HERE I AM IN FEBRUARY 8TH STILL NO PERIOD AND 11 DAYS LATE ON MY PERIOD TOOK TWO DIGITAL PREGNANCY TESTS AND THEY BOTH SAID NOT PREGNANT 😩😩😩😩 WHAT IS THE NEXT STEP WHAT SHOULD I DO