FCP2-364

FCP2-364

A 33-year-old woman presents to the clinic with chronic fatigue. She has 3 children and a full-time job and is finding it very difficult to hold everything together. There is no significant past medical history.
On examination, her BP is 145/80 mmHg and her BMI is 28.
Investigations show:
Hb 12.5 g/dl
WCC 6.7 x109/l
PLT 204 x109/l
Na+ 141 mmol/l
K+ 4.9 mmol/l
Creatinine 120 μmol/l
Total cholesterol 5.0 mmol/l
TSH 7.8 U/l
Free T4 10.0 pmol/l (10-22)
Free T3 4.9 pmol/l (5-10)

Which of the following is the most likely diagnosis?