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Cohort study, 1999

Do women with PMS have a higher risk of depression later in life?

In a 5 to 12 year follow-up study, women with PMS had a nonsignificantly higher rate of new depression, but this difference disappeared when comparing only women who had no prior depression history, suggesting prior depression rather than PMS drives the risk.

Early or limited evidence 27 women with documented PMS and 21 control women, followed for 5 to 12 years

What they did

Researchers followed 27 women with documented PMS and 21 control women without PMS for 5 to 12 years. At follow-up, they conducted structured interviews about depression. A smaller group of 7 PMS patients and 11 controls completed daily symptom tracking for 2 months.

What they found

Women with PMS had a nonsignificantly higher incidence of new depression during follow-up than controls. When looking at women without prior depression, the difference disappeared. Daily ratings confirmed the original PMS diagnoses in the tracked group.

What it means for you

Women with PMS who later develop depression may be developing it because of their baseline depression risk, not because PMS causes depression. The study is small and preliminary, particularly for the prospective tracking portion. More research is needed.

27

PMS patients followed

21

control women

5-12 years

follow-up period

About the study

Original title
A follow-up study of premenstrual syndrome
Authors
Roca CA, Schmidt PJ, Rubinow DR
Journal
The Journal of clinical psychiatry
Year
1999
Study design
Cohort study
Participants
27
What was tested
None (observational follow-up only)

Topics