Cervical cancer usually start as abnormal changes in tissues of cervix . In majority of cases , it is Human Papillomavirus infection that is responsible for these abnormal changes. The cells which undergo these abnormal changes are called atypical cell. Some of the atypical cells go away without treatment, but others can become cancerous.
These are risk factors associated with cervical cancer but it does not mean that all the women having these risk factors will develop cervical cancer.
Human papillomavirus infection:
The single most common risk factor for CA cervix or cervical cancer is infection with human papillomavirus. There are more than 100 types of HPV but not all of them are causative factors, HPV16 and HPV18 strains of HPV are most commonly associated risk factors for cervical cancers.
Women having multiple sexual partners and girls who are initiated into having sex at an early age are at a at higher risk of being infected with high-risk HPV types.