Cyclic breast pain, which is caused by a woman's normal monthly
hormone changes, is usually most severe before a menstrual period and then is
relieved during the menstrual period. It is typically described as a heaviness
or soreness, and it often radiates to the armpit and arm.
Cyclic breast pain is often accompanied by harmless breast
lumpiness, also known as fibrocystic breast changes. These changes also come
and go with the menstrual cycle.
Most cyclic breast pain goes away without treatment and usually
disappears at menopause, when menstrual periods end.
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