IMPORTANT UPDATE:
In November 2009 the U.S. Preventive Services Task Force released new guidelines for breast cancer screening. The new guidelines are still considered controversial and are not wholly supported by the American Cancer Society.
In addition, the American College of Obstetricians and Gynecologists has released new guidelines for cervical cancer screening.

Links:
USPSTF Breast Cancer Screening Guidelines, November 2009
ACOG Cervical Cancer Screening Guidelines, November 2009
American Cancer Society

For more information visit the MEDIVISION Health For Us Blog, and see the Prevention Research page.

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No one knows the exact causes of breast cancer. Doctors often cannot explain why one woman develops breast cancer and another does not. They do know that bumping, bruising, or touching the breast does not cause cancer. And breast cancer is not contagious. You cannot "catch" it from another person. Research has shown that women with certain risk factors are more likely than others to develop breast cancer. These risk factors include:

• Age - the chance of getting breast cancer rises as a woman gets older
• Genes - there are two genes, BRCA1 and BRCA2, that greatly increase the risk. Women who have family members with breast or ovarian cancer may wish to be tested.
• Personal factors - beginning periods before age 12 or going through menopause after age 55

Other risks include being overweight, using hormone replacement therapy, taking birth control pills, drinking alcohol, not having children or having your first child after age 35, or having dense breasts.
Women can help protect themselves by staying away from known risk factors whenever possible. But it is also important to keep in mind that most women who have known risk factors do not get breast cancer. Also, most women with breast cancer do not have a family history of the disease. In fact, except for growing older, most women with breast cancer have no clear risk factors.

Common symptoms of breast cancer include:

• A change in how the breast or nipple feels
• A lump or thickening in or near the breast or in the underarm area
• Nipple tenderness
• A change in how the breast or nipple looks A change in the size or shape of the breast
• A nipple turned inward into the breast
• The skin of the breast, areola, or nipple may be scaly, red, or swollen. It may have ridges or pitting so that it looks like the skin of an orange.
• Nipple discharge (fluid)

Early breast cancer usually does not cause pain. Still, a woman should see her health care provider about breast pain or any other symptom that does not go away. Most often, these symptoms are not due to cancer. Other health problems may also cause them. Any woman with these symptoms should tell her doctor so that problems can be diagnosed and treated as early as possible.

You should perform monthly breast self-exams to check for any changes in your breasts. It is important to remember that changes can occur because of aging, your menstrual cycle, pregnancy, menopause, or taking birth control pills or other hormones. It is normal for breasts to feel a little lumpy and uneven. Also, it is common for your breasts to be swollen and tender right before or during your menstrual period. You should contact your health care provider if you notice any unusual changes in your breasts. Breast self-exams cannot replace regular screening mammograms and clinical breast exams. Studies have not shown that breast self-exams alone reduce the number of deaths from breast cancer.

 

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