11 days late⁉️

Patricia
So I'm 11 days late ( NEVER been more than 4, except when I was PREGNANT)!! I was 3 months pregnant when I lost my baby on thanksgiving. I've had my regular periods in December n January and was SUPPOSE to start a new one Jan 31st but it is now 11 days late but my pregnancy test has come up negative twice now!!! It is a dollar store test but that's what I used to get my positive last time when I was 10 days late⁉️ So I don't understand 😭