Should i whats the chances

Af was the 1st week of june, im already late took test day of missed period and 5 days after missed period both bfn

Went to doctor to do blood work according to glow i was 12 days late results came back bfn

As of today according to glow im 14 days late still no sign of AF

What should i do should i retest again??? Or am i out?