Another set back?

Hi all, Well...my PCP just called me and the pregnancy test/thyroid test came back that my thyroid is too LOW now....uggh! I had to push my surgery 6 weeks back already because it was too HIGH. My last test was normal after taking another test ordered by Dr. Roye to make sure my thryoid was alright to go for the surgery, and then he gave me my surgery date. Now, its too LOW and I am waiting for him to contact me and see if this is going to be an issue for Tuesday (my surgery date). Annette is on vacation, so I have to wait for either Helen or Dr. Roye to get back to me...Ive been waiting two days now. Any suggestions or has anyone had thyroid issues prior to surgery? Any help would be very much appreciated!