http://womenshealth.gov/faq/pap.htm
This document provides answers to frequently asked questions about the Pap test, also called a Pap smear, that checks for changes in the cells of a woman’s cervix. The document includes information on how often to get a Pap test, who needs regular Pap tests, how to prepare for a Pap test, how a Pap test is done, what an abnormal Pap test results means, and more.