How to Prepare Pap Smear Test

Always remember not to use douche, tampons or any vaginal medications for at least 24 hours before doing a Pap test. Never make sexual intercourse too.

It is also recommended to do the test when you are not having your monthly period because the blood cells may interfere the Pap smear result. And for your comfort and so with your doctor, empty your bladder just before the test. 

Source : http://aboutmypregnancy.blogspot.com/2010/11/how-to-prepare-pap-smear-test.html