How does hyperthyroidism affect the menstrual cycle?

People with hyperthyroidism are more likely to experience abnormally low bleeding during periods. This is known as hypomenorrhea.
Hyperthyroidism can also cause a person to have fewer periods. Photo: Pexels

(Caitlyn Geng/ Medical News Today) — A variety of hormones control the menstrual cycle. This network of hormones impacts thyroid function, although the relationship between menstruation, reproductive function, and the thyroid is complex.

People with hyperthyroidism, an overactive thyroid, and hypothyroidism, an underactive thyroid, may be at higher risk of disturbances and irregularities in their menstrual cycles.

This article looks at how hyperthyroidism can affect the menstrual cycle, other symptoms, and more.

Hyperthyroidism is when the thyroid gland, a small, butterfly-shaped gland at the front of the neck, produces more thyroid hormones than the body needs.

Thyroid hormones are essential to most bodily functions, systems, and organs, including the menstrual cycle and reproductive system. (…)

For more information, you can read our extensive archive of VM Med blogs, which include tips on detecting early signs of a thyroid disorder and how thyroid issues can impact mental health.

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VM Med’s Thyroid Centre offers patients excellent and timely care. Our clinical team supports every aspect of a patient’s thyroid health throughout their lives. We offer a welcoming environment and specialized counselling and treatments on a wide range of issues.