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Survey study, 2021

Does thyroid problems link to PMDD?

Most women with PMDD had thyroid dysfunction (63.33%). The more severe someone's PMDD symptoms, the more likely they were to have low thyroid hormone levels.

Early or limited evidence 70 women in Kerala, India with PMDD

What they did

A hospital study in Kerala, India collected data from 70 women with PMDD. They completed questionnaires and psychiatric interviews. Researchers measured their thyroid hormone levels (TSH) after 2 months of follow-up.

What they found

63.33% of the 70 women with PMDD had thyroid dysfunction (when the thyroid doesn't produce enough hormone). A clear connection was found between how severe someone's PMDD was and thyroid dysfunction.

What it means for you

A slightly underactive thyroid may be common in women with PMDD. However, this study is small, included only women from one hospital in India, and had no comparison group of women without PMDD. We cannot tell whether the thyroid problem causes PMDD or appears alongside it.

63.33%

had thyroid dysfunction

70

women with PMDD studied

2 months

time to thyroid testing

About the study

Original title
The profile of subclinical hypothyroidism in subjects with premenstrual dysphoric disorder – A pilot study
Authors
Parvathy S., Anoop Vincent, Ashok Antony
Journal
Kerala Journal of Psychiatry
Year
2021
Study design
Survey study
Participants
70
Open access
Yes

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