A member asked:

Previous thyroid issue, goiter has enlarged more but tsh 1.25 never been so low total t4 19.6 antib 9 please see history for other symp gp says norm?

A doctor has provided 1 answer

Thyroid level OK: The size of your thyroid is usually not related to the function. It appears that you are on thyroid hormone, presumably because your thyroid level was low. The total T4 level may be high because of high TBG related to oral contraceptives. A free T4 level will be more accurate, but the normal TSH indicates that you are on the correct dose of levothyroxine.

Answered 1/15/2015

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