Pap smear

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Female reproductive anatomy

Pap smear

Definition:

A Pap smear is a microscopic examination of cells scraped from the cervix.

Alternative Names:
Papanicolaou test
How the test is performed:

The Pap smear is performed as part of a gynecological exam. You will lie on a table and place your feet in stirrups to position your pelvis for examination. A speculum (an instrument used to open the walls of the vaginal canal to see the interior) will be inserted into your vagina and opened slightly.

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A sample of cells from the outside and the canal of the cervix is taken by gently scraping the outside of the cervix with a wooden or plastic spatula, then inserting a small brush that looks like a pipe cleaner into the canal.

The cells are placed on a glass slide and sprayed with a fixative, or put in a bottle containing a preservative, then sent to the lab for examination.

How to prepare for the test:

The health care provider should be notified if you have had a prior abnormal Pap smear, if you might be pregnant, or if you are taking any medications or birth control pills. You should avoid douching, using tampons, having intercourse, and tub baths 24 hours before the test.

Avoid scheduling your Pap smear while you are menstruating, because blood and cells from the endometrial cavity may obscure the accuracy of the Pap smear. Empty your bladder just before the test.

How the test will feel:

There may be some discomfort and a feeling of pressure during the procedure. A small amount of bleeding may occur after the test.

Why the test is performed:

The Pap smear can detect cancerous or precancerous conditions of the cervix. For recommendations on the frequency of having this test done, see the information on cervicitis.