There are several causes of cervical cancer, such as having multiple sexual partners, premature birth, smoking, and early sexual activity, all of which could lead to cervical cancer. However, the main cause of cervical cancer is infection with HPV, the human papillomavirus. It has been scientifically proven that cervical cancer is caused by HPV infection. Therefore, this viral infection is the primary cause of cervical cancer. It is recommended that women of childbearing age undergo cervical cancer screening to check for any abnormalities in the cervix.