Various strains of the human papillomavirus (HPV), a sexually transmitted infection, play a role in causing most cervical cancer...It isn't clear what causes cervical cancer, but it's certain that HPV plays a role. HPV is very common, and most women with the virus never develop cervical cancer. This means other factors — such as your environment or your lifestyle choices — also determine whether you'll develop cervical cancer.
www.mayoclinic.org
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