I have all the symptoms of Hypo--dry/itchy skin, unbelievably cold hands and feet, gaining weight for no reason lately, missed my period (NOT pregnant had tubes tied), major brain fog among others. Had TSH tested about 3 years ago which came back at 2.7. I have been reading on the internet (as my dr is no help) and read that the range has been lowered to 2.5 or 3.0 in some areas. I am in Canada and the range here is something like 0.3-5.0 which would make me "normal". I had an incident of becoming nauseous and losing over 30 lbs in one month (weighing only 102 lbs!) just after my son was born almost 4 years ago. Should I request to be tested again? Also, my PATERNAL Grandmother is Hypo, would that make me @ higher risk or would it have to be MATERNAL?