is dre possiblity fr wrong hcg blood test aftr 10 days of missed period ?

Question

I m hypothyroid patient n recent level of tsh is 7.55 . N had cntact on 25 nov. i missed msh peroid whuch was on 4 dec n had teo hpt which shws negative. Then i had blood test hcg ( beta ) which ranges below 2.5. Is it possibility of pregnancy ??