ANTI TPO 8.0 iu/mL [0.0 - 30.0]
Serum free T4 level 13.1 pmol/L [12.0 - 22.0]
Serum urea level 6.6 mmol/L [2.5 - 7.8]
Serum ferritin level 44 ug/L [30.0 - 400.0]
Serum TSH level 4.28 mu/L [0.3 - 4.2]
Above high reference limit
I have been tested as I am constantly tired and yawning, dry eyes, gaining weight whilst exercising and eating very healthily, hair loss, heavy periods, general feeling of being unwell, always cold, always have a sore throat.
What do the above results mean please?