3 doctors weighed in:

Female 35 fasting: TSH 1.88 and T4 free 1.2 Nonfasting results 6 months ago: TSH 1.16 and T4 free 1.4 Did fasting raise my TSH? Do I have an issue?

3 doctors weighed in
Dr. Emily Ulmer
Family Medicine
2 doctors agree

In brief: Thyroid is normal

Both levels are normal.
the difference in the numbers is not significant. Fasting will not effect your TSH level. You do not have any issue with your thyroid.

In brief: Thyroid is normal

Both levels are normal.
the difference in the numbers is not significant. Fasting will not effect your TSH level. You do not have any issue with your thyroid.
Dr. Emily Ulmer
Dr. Emily Ulmer
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