The American Cancer Society recommends the following guidelines...

for early detection: All women should begin cervical cancer testing (screening) about 3 years after they begin having vaginal intercourse, but no later than when they are 21 years old. Testing should be done every year with the regular Pap test or every 2 years using the newer liquid-based Pap test.

Beginning at age 30, women who have had 3 normal Pap test results in a row may get tested every 2 to 3 years with either the conventional (regular) or liquid-based Pap test. Women who have certain risk factors such as diethylstilbestrol (DES) exposure before birth, HIV infection, or a weakened immune system due to organ transplant, chemotherapy, or chronic steroid use should continue to be tested yearly.

Another reasonable option for women over 30 is to get tested every 3 years (but not more frequently) with either the regular Pap test or liquid-based Pap test, plus the HPV DNA test (see below for more information on this test).

Women 70 years of age or older who have had 3 or more normal Pap tests in a row and no abnormal Pap test results in the last 10 years may choose to stop having cervical cancer testing. Women with a history of cervical cancer, DES exposure before birth, HIV infection, or a weakened immune system should continue to have testing as long as they are in good health.

Women who have had a total hysterectomy (removal of the uterus and cervix) may also choose to stop having cervical cancer testing, unless the surgery was done as a treatment for cervical cancer or precancer. Women who have had a hysterectomy without removal of the cervix (simple hysterectomy) should continue to follow the guidelines above.

Some women believe that they do not need exams by a health care professional once they have stopped having children. This is not correct. They should continue to follow American Cancer Society guidelines.

Although the Pap test has been more successful than any other screening test in preventing a cancer, it is not perfect. One of its limitations is that Pap tests are examined by humans, so an accurate analysis of the hundreds of thousands of cells in each sample is not always possible. Engineers, scientists, and doctors are working together to improve this test. Because some abnormalities may be missed (even when samples are examined in the best laboratories), it is not a good idea to have this test less often than American Cancer Society guidelines recommend.

Increasing the Accuracy of Your Pap Tests
There are several things you can do to make your Pap test as accurate as possible:

• Try not to schedule an appointment for a time during your menstrual period.
• Do not douche for 48 hours before the test.
• Do not have sexual intercourse for 48 hours before the test.
• Do not use tampons, birth control foams, jellies, or other vaginal creams or vaginal medications for 48 hours before the test.

Pelvic Exam Versus Pap Test
Many people confuse pelvic exams with Pap tests. The pelvic exam is part of a woman's routine health care. During a pelvic exam, the doctor looks at and feels the reproductive organs, including the uterus and the ovaries and may screen for sexually transmitted illnesses. But the pelvic exam will not find cervical cancer at an early stage and cannot find abnormal cells of the cervix. The Pap test is usually done just before the pelvic exam, when the doctor removes cells from the cervix by gently scraping or brushing with a special instrument. Pelvic exams may help find other types of cancers and reproductive problems, but only Pap tests give information on early cervical cancer or precancers.

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