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Interview study, 1986

How can menstrual cycle symptoms be measured statistically?

A statistical technique called Trigg's trend analysis can identify symptom patterns throughout the menstrual cycle and measure overall severity mathematically.

Early or limited evidence Not applicable (methodological study)

What they did

Adapted Trigg's trend analysis technique for analyzing prospective symptom ratings to evaluate premenstrual syndrome.

What they found

The method provides both qualitative and quantitative information about menstrual cycle symptoms. Symptom patterns can be identified using Trigg's tracking signal. A new statistic called the menstrual cycle ratio was proposed as a global index of menstrual cycle morbidity.

What it means for you

This paper describes a mathematical method for measuring and comparing menstrual cycle symptoms across studies. The main limitation is that this is a methods paper, not a study of women, so it does not tell us how these symptoms affect real life.

About the study

Original title
Assessment of menstrual cycle symptoms by trend analysis
Authors
Magos AL, Studd JW
Journal
American journal of obstetrics and gynecology
Year
1986
Study design
Interview study

Topics