1 doctor weighed in:

How hyperthyroidism causes less menstrual flow? Does hypothyroidism cause menorrhagia?

1 doctor weighed in
Dr. Alan Feldman
Internal Medicine - Endocrinology

In brief: Yes

Hyperthyroidism typically causes decreased menstrual flow, ultimately leading to loss of periods and infertility.
Hypothyroidism typically causes increased menstrual flow leading to menorrhagia. Once treated, both problems should resolve.

In brief: Yes

Hyperthyroidism typically causes decreased menstrual flow, ultimately leading to loss of periods and infertility.
Hypothyroidism typically causes increased menstrual flow leading to menorrhagia. Once treated, both problems should resolve.
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