Participant exclusion criteria
Women who have had treatment for cervical abnormalities and are under active follow up (e.g. still undergoing test of cure) are not eligible. A test of cure is HPV testing and cytology (co-testing) on two occasions, 12 months apart. Negative results for both tests are required twice before the test of cure is complete. Women who have had treatment for cervical abnormalities in the past and are 