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.
Breast changes are common before menopause and during pregnancy
Nipple changes and discharge.
Changes in the
skin, shape, or size of a breast.
Signs of a breast infection, such
as redness, swelling, and tenderness.