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A member asked:

Why do thyroid hormones keep changing?now tgo antibodies are"too low to be detected", 4 months ago they were 130!anti tpo 40, tsh 0.99, ft3 2.64, ft4 1.41

A doctor has provided 1 answer
Dr. John Chiu answered

Thyroiditis: You might have had thyroiditis which can be triggered by a virus or an autoimmune process. The level of antibodies and thyroid function are related to the disease activity which is not static and thus the fluctuating values.

Answered 4/1/2014

4.3k views

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Hello, I have FT4 +31,6 pmol/I, TSH +0,02mU/I and TPO antibodies >4. Also some mass is growing on my right Thyroid lobe. What that could be?

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Is my thyroid level okay? 27F 5'4 109lbs. FT4 is 0.79 ng/dL, TSH 3.31 uIU/mL. (Tested day 3 of cycle) Are my thyroid levels are normal or optimal? I heard TSH above 2.5 might not be optimal for women? Should I get tested for antithyroid antibodies?

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