Hello sir, I am 34 years old female. Having heavy menstrual periods from last 4 yrs. Currently diagonised with tsh level 3.56 . I am suffering with weight gain , hairloss , mood swings, and my recent periods are not stopping even after 12 days. What is the reason for that. My doctor prescribed thyroxine sodium 25 mcg 1 per day for 6 months. Kindly guide me