My daughter had pregnency induced
thyroid
tsh 2nd trim 3.9 3rd Trimester 2.4
Was on thyronorm 25mg
Till delivery on 3 aug 2019
But postpartum without medicine tsh remain
0.29 and 0.19 till last month Tpo test report became negative
But this month tsh -(8.4) and free t4 -(0.21)
Does she has hypothyroidism
If no then what medication to take to keep it normal