HPV or human papilloma virus is a sexually transmitted virus which has been implicated as the cause of cervical cancer. Sexually active women have a 50-75% chance of being infected with HPV during their lifetime. There are over 100 serotypes of the virus. Some are more virulent than others. Most will cause no changes to the cervix. Some will cause only inflammation or other low grade changes in the cervix. Some will cause venereal warts. A select group of high- risk HPV subtypes are considered more virulent and likely to cause changes in the cervix. Some important things to remember are: