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Cohort study, 2018

Does progesterone affect women's anxiety across the menstrual cycle?

Yes. Women with higher average progesterone reported higher anxiety, and anxiety increased as progesterone rose during the cycle. Both studies showed this link.

Moderate study design 100 Polish women and 61 American women

What they did

Two studies examined the link between progesterone and anxiety. Study 1: 100 Polish women gave saliva samples and reported anxiety at three cycle phases. Study 2: 61 American women gave saliva samples and reported attachment anxiety at the same three phases.

What they found

In Study 1, women with higher average progesterone across their cycles reported higher anxiety levels. In Study 2, women with higher average progesterone reported higher attachment anxiety, and as progesterone increased during the cycle, anxiety increased. Both effects remained significant when controlling for other hormones.

What it means for you

Progesterone appears linked to anxiety in women across the cycle. The main limitation is these are observational studies, so we cannot prove progesterone causes the anxiety.

100

Polish women in Study 1

61

American women in Study 2

3

cycle phases measured

About the study

Original title
Progesterone and women's anxiety across the menstrual cycle
Authors
Reynolds TA, Makhanova A, Marcinkowska UM et al.
Journal
Hormones and behavior
Year
2018
Study design
Cohort study
Participants
100
What was tested
None
Open access
Yes

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