Mastalgia is severe breast pain that may come and go with monthly periods (cyclical) or may not follow any pattern (noncyclical). Breast pain can get worse with changes in a woman's hormone levels and may be affected by stress.
| By | Healthwise Staff |
| Primary Medical Reviewer | Anne C. Poinier, MD - Internal Medicine |
| Specialist Medical Reviewer | Deborah A. Penava, BA, MD, FRCSC, MPH - Obstetrics and Gynecology |
| Last Revised | January 20, 2010 |
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