Most women have changes in their breasts during their lifetime. Many of these changes are caused by hormones. For example, your breasts may feel more lumpy or tender at different times in your menstrual cycle.

Other breast changes can be caused by the normal aging process. As you near menopause, your breasts may lose tissue and fat. They may become smaller and feel lumpy. Most of these changes are not cancer; they are called benign changes. However, if you notice a breast change, don't wait until your next mammogram. Make an appointment to get it checked.

Young women who have not gone through menopause often have more dense tissue in their breasts. Dense tissue has more glandular and connective tissue and less fat tissue. This kind of tissue makes mammograms harder to interpret--because both dense tissue and tumors show up as solid white areas on x-ray images. Breast tissue gets less dense as women get older.

Before or during your menstrual periods, your breasts may feel swollen, tender, or painful. You may also feel one or more lumps during this time because of extra fluid in your breasts. These changes usually go away by the end of your menstrual cycle. Because some lumps are caused by normal hormone changes, your health care provider may have you come back for a return visit, at a different time in your menstrual cycle.

During pregnancy, your breasts may feel lumpy. This is usually because the glands that produce milk are increasing in number and getting larger.

While breastfeeding, you may get a condition called mastitis. This happens when a milk duct becomes blocked. Mastitis causes the breast to look red and feel lumpy, warm, and tender. It may be caused by an infection and it is often treated with antibiotics. Sometimes the duct may need to be drained. If the redness or mastitis does not go away with treatment, call your health care provider.

As you approach menopause, your menstrual periods may come less often. Your hormone levels also change. This can make your breasts feel tender, even when you are not having your menstrual period. Your breasts may also feel more lumpy than they did before.

If you are taking hormones (such as menopausal hormone therapy, birth control pills, or injections) your breasts may become more dense. This can make a mammogram harder to interpret. Be sure to let your health care provider know if you are taking hormones.

When you stop having menstrual periods (menopause), your hormone levels drop, and your breast tissue becomes less dense and more fatty. You may stop having any lumps, pain, or nipple discharge that you used to have. And because your breast tissue is less dense, mammograms may be easier to interpret.

"I pay more attention to my breasts since my doctor did follow-up tests on changes that were found."

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