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Breast pain is a common symptom experienced by up to two thirds of all women. It is most commonly minor or moderate and is accepted as part of the normal changes of the menstrual cycle. A small proportion of women however have more significant symptoms. Studies have shown that those presenting with mastalgia are psychologically no different from women attending outpatients for other conditions.
Two thirds of women with mastalgia have cyclical pain and the remaining third have pain which is non-cyclical.
A study in Ireland showed (3):