Cervical cancer is an important health problem world-wide, being the second most common malignancy in women. It remains a leading cause of cancer related death for women in developing countries. A number of important epidemiological risk factors have been identified as contributing factors to the development of cervical intraepithelial neoplasia (CIN). Cervical cancer screening aims to lower the incidence and mortality rates of the disease. Better understanding of the natural history of cervical cancer precursors leads to the better management of most women with cervical intraepithelial...