A breast change is any change in the breast from what is usual for a particular woman. Many women experience a variation in breast size or tenderness during their menstrual cycle, usually caused by changes in the levels of the hormones estrogen and progesterone.
|Primary Medical Reviewer||William H. Blahd, Jr., MD, FACEP - Emergency Medicine|
|Specialist Medical Reviewer||H. Michael O'Connor, MD - Emergency Medicine|
|Last Revised||September 9, 2011|
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