How Often Do You Need a Pap Smear? Age-by-Age Guide

What are the current Pap smear frequency guidelines?

The US Preventive Services Task Force (USPSTF) recommends cervical cancer screening on one of three schedules 1Ref 1US Preventive Services Task Force (2018).Screening for Cervical Cancer: US Preventive Services Task Force Recommendation Statement.Age-stratified Pap smear and HPV co-testing frequency recommendations (every 3 years ages 21–65, every 5 years with co-testing ages 30–65, stopping after 65 with adequate prior screening):

• Ages 21–29: Pap smear (cytology alone) every 3 years
• Ages 30–65: Pap smear every 3 years, OR Pap plus HPV co-test every 5 years, OR high-risk HPV (hrHPV) test alone every 5 years
• After 65: Most people can stop routine screening if they have had adequate screening history and no history of high-grade cervical changes

These intervals apply to people with an average-risk cervix who have had normal prior results. People with a history of abnormal Pap results, high-grade precancerous changes (CIN 2 or higher), or certain immune conditions may need more frequent screening — your gynecologist will guide this based on your history 3Ref 3American College of Obstetricians and Gynecologists (2018).ACOG Committee Opinion No. 755: Well-Woman Visit.Cervical cancer screening as a key component of the well-woman preventive visit; recommendations for when to perform Pap smears based on age and history.

Why does screening start at 21 and not earlier?

Cervical cancer caused by HPV takes many years to develop from initial infection — typically 10 to 20 years from infection to invasive cancer. In adolescents and young adults, most HPV infections clear on their own without causing lasting cell changes. Starting screening before age 21 leads to unnecessary follow-up procedures without meaningfully reducing cancer risk 1Ref 1US Preventive Services Task Force (2018).Screening for Cervical Cancer: US Preventive Services Task Force Recommendation Statement.Age-stratified Pap smear and HPV co-testing frequency recommendations (every 3 years ages 21–65, every 5 years with co-testing ages 30–65, stopping after 65 with adequate prior screening). This is why guidelines uniformly recommend beginning at 21, regardless of when sexual activity began.

What is HPV co-testing and how is it different from a standard Pap?

A Pap smear looks at cervical cells under a microscope for abnormal changes. An HPV test detects the presence of high-risk HPV strains responsible for most cervical cancers. Co-testing does both from the same sample collected during your pelvic exam.

For people aged 30–65, co-testing every 5 years is an accepted alternative to a Pap alone every 3 years 1Ref 1US Preventive Services Task Force (2018).Screening for Cervical Cancer: US Preventive Services Task Force Recommendation Statement.Age-stratified Pap smear and HPV co-testing frequency recommendations (every 3 years ages 21–65, every 5 years with co-testing ages 30–65, stopping after 65 with adequate prior screening). The hrHPV-alone option (no Pap, just an HPV test every 5 years) is increasingly offered at the same interval and is the preferred approach in the 2024 USPSTF draft update. Which option you use may depend on your provider's protocol and your preferences 3Ref 3American College of Obstetricians and Gynecologists (2018).ACOG Committee Opinion No. 755: Well-Woman Visit.Cervical cancer screening as a key component of the well-woman preventive visit; recommendations for when to perform Pap smears based on age and history.

Can I stop Pap smears after age 65?

Yes, most people can stop routine cervical cancer screening after age 65, provided they have had adequate recent screening — generally three consecutive normal Pap results, or two consecutive negative co-tests within the last 10 years — and no history of a precancerous cervical diagnosis (CIN 2 or higher) 1Ref 1US Preventive Services Task Force (2018).Screening for Cervical Cancer: US Preventive Services Task Force Recommendation Statement.Age-stratified Pap smear and HPV co-testing frequency recommendations (every 3 years ages 21–65, every 5 years with co-testing ages 30–65, stopping after 65 with adequate prior screening).

If you have had a hysterectomy that removed the cervix and have no history of high-grade precancer, routine Pap smears are generally not needed at any age. If you still have your cervix after a hysterectomy, screening recommendations remain the same. Review your history with your gynecologist to confirm when it is appropriate for you to stop 3Ref 3American College of Obstetricians and Gynecologists (2018).ACOG Committee Opinion No. 755: Well-Woman Visit.Cervical cancer screening as a key component of the well-woman preventive visit; recommendations for when to perform Pap smears based on age and history.

Do I still need Pap smears if I have had the HPV vaccine?

Yes. The HPV vaccines are highly effective against the most common cancer-causing HPV types, but they do not protect against every high-risk strain 2Ref 2Meites E, Szilagyi PG, Chesson HW, Unger ER, Romero JR, Markowitz LE (2019).Human Papillomavirus Vaccination for Adults: Updated Recommendations of the Advisory Committee on Immunization Practices.HPV vaccination recommendations for adults; vaccination does not replace cervical cancer screening — both are complementary tools. Current screening schedules apply the same way regardless of vaccination status. The vaccine reduces the risk of future HPV infection; the Pap smear detects cell changes from any existing HPV exposure. They are complementary tools, not substitutes for each other 2Ref 2Meites E, Szilagyi PG, Chesson HW, Unger ER, Romero JR, Markowitz LE (2019).Human Papillomavirus Vaccination for Adults: Updated Recommendations of the Advisory Committee on Immunization Practices.HPV vaccination recommendations for adults; vaccination does not replace cervical cancer screening — both are complementary tools.

What if my schedule has lapsed — what do I do now?

A lapsed screening is common and does not indicate a problem. The practical step is to schedule a visit with a gynecologist to get a current Pap (and HPV test if you are over 30). Your clinician will review your history and determine whether any catch-up steps are needed. Screening that is slightly overdue is still valuable — the biology of cervical cancer development means that even a delayed test remains worthwhile 1Ref 1US Preventive Services Task Force (2018).Screening for Cervical Cancer: US Preventive Services Task Force Recommendation Statement.Age-stratified Pap smear and HPV co-testing frequency recommendations (every 3 years ages 21–65, every 5 years with co-testing ages 30–65, stopping after 65 with adequate prior screening).

If you receive an abnormal Pap result, the next step depends on what the abnormality shows. Minor changes (ASCUS — atypical squamous cells of undetermined significance) often resolve on their own and may simply warrant a repeat test or an HPV test. Higher-grade changes (LSIL, HSIL) typically lead to a colposcopy — a closer examination of the cervix — and possible biopsy. An abnormal Pap is not a diagnosis of cancer; it is a signal to look more closely.