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Cervical Cancer Screening

Topic Overview

What is screening for cervical cancer?

Cervical cancer screening tests can help your doctor find and treat abnormal cell changes on your cervix before they develop into cervical cancer. These tests may be done as part of a pelvic examination.

What screening tests are used?

Tests include:

  • A Pap test. This test looks for changes in the cells of the cervix. Some kinds of cell changes can lead to cancer. Most cervical cancer screening programs use Pap tests to screen for cervical cancer.
  • A human papillomavirus (HPV) test. The HPV test looks for certain high-risk viruses that can cause cervical cancer. This test may not be available in all areas or covered by all provincial health plans. In Alberta, HPV testing is not done as part of a regular pap test. In certain cases, the test may be done in response to the presence of abnormal cells identified from a Pap test. The HPV test is not paid for by Alberta Health Care Insurance at this time.

Who should be screened?

Talk with your doctor about cervical cancer screening. Guidelines for when to start having Pap tests and how to often have them vary from province to province. Your doctor can help you find a cervical cancer screening program in your area.

If you are sexually active, it's a good idea to have regular testing for sexually transmitted infections.

How often do you need tests for cervical cancer?

  • Women younger than 25
    • If you are in this age group, routine screenings are not recommended.
  • Women 25 to 69
    • If you are in this age group, screening is recommended every 3 years.
  • Women 70 and older
    • If you are age 70 or older, and have had 3 negative Pap tests results in a row in the last 10 years, screening is no longer needed. If you haven't had regular screenings, continue getting tested until you have 3 negative test results.

What do your results mean?

The results of your Pap test may come back as normal, unclear, or abnormal. If your results are:

  • Normal, you can follow the regular schedule for your next screening.
  • Unclear, it could mean that there weren't enough cells to test or that there are small changes that aren't certain. You may be able to wait until your next scheduled screening test. Or you may need to be retested sooner.
  • Abnormal, it doesn't mean that you have cervical cancer. More likely, it means that you have changes on your cervix that will either go away on their own, or that could, over time, lead to cervical cancer. You may need an HPV test to help your doctor know which it is.

The results of your HPV test will be negative or positive. If it is positive, high-risk HPV cells were found. If your results are:

  • Negative, your doctor will let you know if you should follow the regular schedule for your next screening.
  • Positive, your doctor will let you know what comes next. Your doctor may suggest a Pap test (if you didn't have one), a follow-up HPV test, more testing (such as a colposcopy), or treatment.

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References

Other Works Consulted

  • Centers for Disease Control and Prevention (2013). Cervical Cancer Screening With the HPV Test and the Pap Test in Women Ages 30 and Older. Accessed Sept. 17, 2013: http://www.cdc.gov/cancer/hpv/pdf/HPV_Testing_2012_English.pdf.
  • Sawaya GF, et al. (2015). Cervical cancer screening in average-risk women: Best practice advice from the Clinical Guidelines Committee of the American College of Physicians. Annals of Internal Medicine, 162(12): 851–859. DOI: 10.7326/M14-2426. Accessed June 19, 2015.

Credits

Adaptation Date: 5/19/2020

Adapted By: Alberta Health Services

Adaptation Reviewed By: Alberta Health Services

Adapted with permission from copyrighted materials from Healthwise, Incorporated (Healthwise). This information does not replace the advice of a doctor. Healthwise disclaims any warranty and is not responsible or liable for your use of this information. Your use of this information means that you agree to the Terms of Use. How this information was developed to help you make better health decisions.