A 31-year-old female asked:
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how/does thyroid hormone production normally fluctuate along with female hormone cycle? are you more likely to have hi/lower t4/t3 at certain times?

1 doctor answer
Dr. Richard Zimon
58 years experience Internal Medicine
There is: no "DIRECT" connection between thyroid gland output and t-4/t3 ratios and "female hormones" except that the BINDING of the hormone itself is altered by female hormone levels...This does not generally effect the end point of Thyroid Hormone effects (on growth, muscles and other tissues) Hope this helps! Perhaps a more specific question can generate a better answer! Dr Z
Answered on Jul 23, 2016
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