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A member asked:

What is the relationship between thyroid hormone and estrogen? why there's amenorrhoea in hyperthyroidism and menorrhagia in hypothyroidism?

A doctor has provided 1 answer

Thyroid and periods: With either hyper or hypothyroidism, there can be a wide variety of menstrual disorders. It is not just a matter of estrogen, the cycling of estrogen and Progesterone is usually thrown off.

Answered 6/30/2014

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