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Survey study, 1979

Are hormone levels abnormal in women with premenstrual tension syndrome?

No. Hormone levels themselves are not greatly abnormal. How the different hormones relate to and balance each other is probably more important than individual hormone levels.

Early or limited evidence Review of menstrual cycle knowledge (not a study of people)

What they did

This is a review of what is known about how hormones change during the menstrual cycle and their relationships with each other.

What they found

The patterns of hormone release during the menstrual cycle are well understood. Different hormones control each other through feedback systems. In women with premenstrual tension syndrome, serum concentrations of hormones are not grossly abnormal. However, the relationships between hormones are probably more important than individual hormone levels.

What it means for you

Doctors may need to look at how hormones interact with each other rather than just measuring whether individual hormone levels are too high or too low. Premenstrual symptoms may come from problems with how the body's hormone system communicates, not from simple hormone abnormalities.

About the study

Original title
The endocrinology of the menstrual cycle
Authors
W. R. BUTT
Journal
Current Medical Research and Opinion
Year
1979
Study design
Survey study

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