Pap smear also called a pap test is a medical procedure or test done to check for cervical cancer. For the test, a small brush is inserted into to vagina in an effort to collect cells from the cervix which is then sent to a lab that checks for any changes in the cell. It is best to follow the guidelines set by the country of residence in conjunction with doctor's orders.
Sources:
https://www.mayoclinic.org/tests-procedures/pap-smear/about/pac-20394841
https://www.cancer.gov/publications/dictionaries/cancer-terms/def/pap-smear