Original source overview
What is cervical cancer screening?Cervical cancer is cancer that starts in the cells of the cervix. The cervix is part of the female reproductive system. It is the lower, narrow end of the uterus (womb), which opens into the vagina (birth canal). Cervical cancer screening is an important part of routine health care for people who have a cervix.
Cervical cancer screening tests look for cancer before you have any symptoms. Cervical cancer usually develops slowly. Before cervical cells become cancer, they start to look abnormal. These cells are called "precancers". If they aren't destroyed or removed, they may become cancer cells that grow out of control and spread to other parts of your body.
Screening can help find abnormal cells so you can get treatment to prevent cervical cancer. These tests can also help to find cervical cancer early when it's usually easier to treat.
What tests screen for cervical cancer?Cervical cancer screening is usually part of a woman's health checkup during a pelvic exam. These tests use a sample of cervical cells that your health care provider collects with a swab:
• A Pap test (also called a Pap smear or cervical cytology) checks for abnormal cells so they can be treated before they become cancer. • An HPV (human papillomavirus) test checks for certain HPV infections that can cause cancer. HPV is a group of viruses that spread through sexual contact. The types that cause cancer are called "high-risk HPV." • The HPV/Pap cotest uses an HPV and Pap test together to check for both high-risk HPV and cervical cell changes.
If your screening tests are abnormal, your provider may do more tests, such as a biopsy. How often you should be screened for cervical cancer and which tests you should get will depend on your age and health history.
What are the possible benefits and harms of cervical cancer screening?Cervical cancer screening saves lives. Screening can detect cervical changes early, lowering your chance of dying from cervical cancer. But, cervical cancer screening has potential harms.
The possible harms of cervical cancer screening include:
The results can sometimes be wrong.
• Getting a false-positive result means that your test results appear abnormal, but there are no precancerous or cancerous cells. A false-positive may lead to:
• Worry while you have more tests to look for signs of cancer. • Follow-up tests or treatment that you may not have needed.
• Getting a false-negative result means that your test results appear normal, but there are precancer or cancerous cells. A false-negative may lead to:
• You may delay seeking treatment even if you have symptoms.
Should I be screened for cervical cancer?Talk with your provider about how often you should be screened for cervical cancer and which tests you should get. This will depend on your age and health history. If you have a cervix, it's recommended that you have your first Pap smear at age 21 and begin screening with an HPV test at age 25. You may need screening more often if you:
• Had an abnormal HPV test, Pap smear, or cervical biopsy in the recent past. • Have had a diagnosis of cervical cancer. • Have a weakened immune system. • Were exposed to a drug called DES (Diethylstilbestrol) before you were born. Between the years 1940-1971, DES was sometimes prescribed to prevent miscarriages.
If you are over age 65 and have had regular Pap smear screenings with normal results, your provider may tell you that you no longer need them. If you have HIV, you may need to continue screenings after age 65.
You don't need cervical cancer screening if you had a total hysterectomy (surgery to remove your uterus and cervix) because of a condition that was not cancer. But if your hysterectomy was related to cervical cancer or precancer, ask your provider whether you need screening.
NIH: National Cancer Institute
Encyclopedic background — Wikipedia
The following selected excerpts provide background on “Cervical screening”. This related background source does not cover every aspect of the specific topic “Cervical Cancer Screening”; population-specific details and decisions should be checked in the original topic source. They are not a substitute for the source overview or current local clinical guidance. Each excerpt below comes from the fixed Wikipedia revision [W1].
Definition and overview [W1]
Cervical cancer screening is a medical screening test designed to identify risk of cervical cancer. Cervical screening may involve looking for viral DNA, and/or identifying abnormal, potentially precancerous cells within the cervix as well as cells that have progressed to early stages of cervical cancer. One goal of cervical screening is to allow for intervention and treatment so abnormal lesions can be removed before progression to cancer. An additional goal is to decrease mortality from cervical cancer by identifying cancerous lesions in their early stages and providing treatment before progression to more invasive disease.
Currently available screening tests fall into three categories: molecular, cytologic, and visual inspection. Molecular screening tests include nucleic acid amplification tests (NAAT), which identify high-risk human papillomavirus (HPV) strains. Cytologic tests include conventional Pap smear and liquid-based cytology. Visual Inspection tests involve application of a solution to enhance identification of abnormal areas and can utilize the naked eye or a colposcope/magnifying camera.
Medical organizations of different countries have unique guidelines and screening recommendations. The World Health Organization has also published guidelines to increase screening and improve outcomes for all women, taking into consideration differences in resource availability of regions. Management of abnormal screening results can include surveillance, biopsy, or removal of the suspicious region via surgical intervention. Diagnosis of more advanced cancer stages may require other treatment options such as chemotherapy or radiation.
Reading this topic in context
Use “Cervical Cancer Screening” as a starting point for a focused discussion, rather than treating every statement in the broader encyclopedia article as applying to you. The original source overview and the background excerpts answer different questions: the overview explains the health topic for readers, while the encyclopedia supplies terminology and general context. Keep a record of which questions concern symptoms, a confirmed diagnosis, prevention, or an existing treatment. This helps a healthcare professional address the relevant issue without relying on an internet label.
Questions to take to a professional
1. Which local cervical screening method and interval apply to my history?
2. What does an abnormal result mean, and what follow-up is needed?
Evidence, scope and next steps
The health-topic overview is attributed to MedlinePlus / the National Library of Medicine at the original topic link below. Wikipedia [W1] is a secondary background source; its references can support further reading, but their presence is not evidence that WellPrimer has independently reviewed every study. No clinical review, guideline certification or NLM endorsement is claimed. For screening intervals, diagnostic thresholds, pregnancy or child-specific advice and treatment choices, check current guidance in your country with a qualified professional. Do not start, stop or change a prescribed medicine based on encyclopedia excerpts. New or worsening symptoms need appropriate clinical assessment rather than more reading alone.
Attribution and reuse
[W1] Wikipedia contributors, “Cervical screening”. Version 1379869706, edited 2026-10-12. Retrieved 2026-10-16. Fixed revision: https://en.wikipedia.org/w/index.php?title=Cervical_screening&oldid=1379869706. Contributor history: https://en.wikipedia.org/w/index.php?title=Cervical_screening&action=history. License: https://creativecommons.org/licenses/by-sa/4.0/ .
The MedlinePlus health-topic summary retains its original attribution. Wikipedia excerpts and the added compilation/commentary are shared under CC BY-SA 4.0; selections, section ordering and editorial reading prompts have been added. No images are reused. This is an educational compilation, not a clinician-reviewed guideline.