What is a Pap Smear Test?

A Pap smear, also known as a Pap test, is a screening test for cervical cancer. It checks for abnormal or precancerous cells on the cervix. It can also detect signs of infection and inflammation in some cases.

During the test, a healthcare provider collects cells from the cervix for microscopic examination. The test is named after Dr. George Papanicolaou, the physician who developed it.

Anyone with a cervix between ages 21 and 30 should have a Pap smear every three years. Between ages 30 and 65, testing is recommended every five years when combined with an HPV test.

Pap smears help detect cellular changes early, before they turn into cancer. Early detection improves treatment outcomes and greatly reduces the risk of developing cervical cancer.

What Does a Pap Smear Test For?

The test checks for cervical cancer. It identifies precancerous cervical changes known as dysplasia. It helps detect HPV, a common sexually transmitted infection linked to cervical cancer.

It may pick up conditions such as trichomoniasis, bacterial overgrowth, or yeast infections. It does not diagnose STIs like gonorrhea or chlamydia, which require separate tests.

Difference Between a Pelvic Exam and a Pap Test

A pelvic exam involves the physical examination of the uterus, ovaries, and reproductive organs. A Pap smear is a laboratory test that examines cervical cells.

A Pap test usually requires a pelvic exam, but a pelvic exam does not always include a Pap smear.

Difference Between a Pap Test and an HPV Test

A Pap test examines cervical cells for signs of cancer or precancerous changes. An HPV test identifies high-risk HPV types that increase cervical cancer risk.

Both tests use the same sample collection method. A provider can request the lab to examine the sample for Pap results, HPV results, or both (co-testing).

Screening intervals differ depending on whether Pap testing alone or co-testing is performed.

How Often is a Pap Smear Needed?

People under age 21 do not need Pap tests. Ages 21 to 29 should undergo Pap testing every three years.

Ages 30 to 65 may screen every three years with Pap alone or every five years with Pap/HPV co-testing.

Screening is generally not needed after age 65 if previous results were normal and there is no history of abnormal cells or cancer.

More frequent screening may be required for individuals with HIV, weakened immunity, prior cervical cancer, or a history of abnormal Pap results.

Do You Need a Pap Smear After a Hysterectomy?

Testing depends on whether any part of the cervix remains. If the cervix is still present, Pap tests are still required.

If the cervix was removed, Pap testing may not be necessary depending on the reason for the hysterectomy.

People whose hysterectomy was performed for cancer reasons may still need ongoing screening. Those whose hysterectomy was for non-cancer reasons may no longer require Pap testing.

Pap Smear Test Preparation

Preparation affects test accuracy. Avoid vaginal intercourse for two days before the test. Avoid tampons, vaginal medicines, creams, lubricants, birth control jellies, and douching for two days beforehand.

Schedule the test when you are not on your menstrual period. If menstruation begins near the test date, contact the provider for guidance.

Should You Get a Pap Test During Your Period?

It is not recommended, as menstrual blood may interfere with results. Some providers may allow testing at the very end of a period when bleeding is minimal.

It is best to confirm with the healthcare provider and reschedule if needed.

How is a Pap Smear Done?

The test takes place in a clinic and only takes a few minutes. You will undress from the waist down or change into a gown.

You will lie on an exam table with legs placed in stirrups. A speculum is gently inserted into the vagina to visualize the cervix.

A small brush or spatula is used to collect cervical cells. The cell sample is placed in a container for laboratory testing.

The speculum is removed, and the test is complete.

Does a Pap Smear Hurt?

A Pap smear typically does not hurt but may feel uncomfortable. Temporary light bleeding may occur afterward.

Pain or cramps should not occur; if they do, the provider should be informed. Bleeding that lasts longer than 24 hours should be reported.

What to Expect After a Pap Smear

The collected cell sample is sent to a laboratory. A pathologist examines the sample under a microscope.

Results identify any abnormal or cancer-related cellular changes. Results also help detect HPV-related changes.

Disadvantages of a Pap Smear

Pap smears are safe and highly reliable. Light bleeding after the test is possible but usually harmless.

False-negative results may rarely occur. False negatives happen when abnormal cells are present but not detected.

Despite rare limitations, Pap smears remain the most effective screening tool for cervical cancer prevention.