Little nervous as my temp has dropped this morning.. lines get darker then lighter again. Today I’m…

Little nervous as my temp has dropped this morning.. lines get darker then lighter again. Today I’m supposed to be 3 weeks 5 days.. but according to my blood draw yesterday my levels are only 80 and by reference that puts me at only 1-2 weeks.. I’m not sure what to make of this ?. I’m really hoping my rainbow ? baby sticks ?????