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Study, 2014

What are the symptoms and causes of PMS and PMDD?

PMS involves physical and emotional symptoms before menstruation that resolve at the start. Over 40% experience emotional symptoms like irritability and tension, plus physical symptoms like breast tenderness and fatigue. PMDD is the most severe form.

Early or limited evidence General information about women who experience premenstrual symptoms

What they did

This describes what PMS and PMDD are, how common they are, and what scientists think causes them.

What they found

Emotional symptoms include irritability, tension, and mood swings. Physical symptoms include breast tenderness, fatigue, and abdominal bloating. These happen in the luteal phase (the time after ovulation, before menstruation) and stop quickly when menstruation starts or within a few days. Scientists believe the cause involves sex hormones and brain chemicals called GABA and serotonin, but the exact mechanism is not yet known. Treatment options include non-drug approaches and medications, with serotonin reuptake inhibitors as the first-line drug treatment.

What it means for you

This shows that PMS affects a large number of women and likely involves hormone and brain chemistry changes. However, the exact cause is still being researched. The positive news is that several treatment options exist.

40%

women with emotional and physical PMS symptoms

About the study

Original title
[Premenstrual syndrome and dysphoric premenstrual syndrome]
Authors
Alba P, Rodríguez C
Journal
Vertex (Buenos Aires, Argentina)
Year
2014
Study design
Study

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