Q:
What is the main cause of cervical cancer?
A:
Cervical cancer is caused by the abnormal changes of cervical cells. There are various causes of cervical cancer, and there is a main risk factor, high-risk types of HPV. More than 90% people with cervical cancer are infected with them.
HPV is the most common type of sexually transmitted disease (STD). It is not a virus, but over 200 types of viruses belonging to the same group.
In most cases, HPV infections go away without treatment in 1 or 2 years. But some people ignore the signs and stay infected for years. As the infection is not treated carefully, HPV turns healthy cells in your cervix into abnormal cancer cells. Sometimes, the period of normal cells turning into cancer cells can be as long as 20-30 years.
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