What is the primary cause of cervical cancer?

• A. Hereditary factors
• B. Persistent infection with human papillomavirus (HPV)
• C. Environmental toxins
• D. Obesity

Answer: (B)

Persistent infection with human papillomavirus (HPV) is recognized as the primary cause of cervical cancer. HPV is a group of more than 200 related viruses, among which at least 14 are cancer-causing, or high-risk types. The most common of these is HPV type 16 and type 18, which are linked to the majority of cervical cancer cases.

When HPV infects cervical cells, it can lead to changes in the cells that may evolve into precancerous lesions and eventually cervical cancer if not detected and treated early. The virus can cause these changes by disrupting the normal regulatory mechanisms of cell growth and division. It is especially important to note that many individuals may clear the virus naturally without treatment; however, when the infection persists, the risk of developing cancer increases significantly.

Other factors such as hereditary factors, environmental toxins, and obesity can influence cancer risk and general health but are not the primary drivers of cervical cancer. While hereditary factors can play a role in the likelihood of developing certain cancers, and obesity is linked to several types of cancer, they do not have a direct causal relationship with cervical cancer as HPV does.