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Survey study, 2001

Do women experience mood disturbance before their period, as premenstrual syndrome suggests?

Most women (86%) reported having premenstrual symptoms, but this study found no clear evidence of mood disturbance in the menstrual cycle phase when PMS typically occurs.

Early or limited evidence 213 women and 73 men.

What they did

213 women and 73 men completed questionnaires measuring their positive and negative mood on a specific day and in general. Women tracked when their last period started using a diary.

What they found

86% of women reported some degree of PMS. However, there was no evidence of mood disturbance in the data that matched PMS patterns, suggesting women's reported PMS mood changes did not appear in their measured mood.

What it means for you

Even though most women think they have PMS mood symptoms, this study did not detect the expected mood changes. Women may overestimate PMS mood symptoms, or the questionnaire may not have captured the changes. The study is limited because it did not control for how much mood naturally varies between people.

213

women

86%

reported premenstrual symptoms

73

men

About the study

Original title
PMS: Moods, measurements and interpretations
Authors
Jacqueline Reilly, John Kremer
Journal
The Irish Journal of Psychology
Year
2001
Study design
Survey study
Participants
213
What was tested
None - questionnaire-based survey.

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