Answer: B. Low parity

Explanation :

Cervical cancer is the most common gynecologic cancer in women. Most of these cancers stem from infection with the human papillomavirus, although other host factors affect neoplastic progression following initial infection. Compared with other gynecologic malignancies, cervical cancer develops in a younger population of women. Thus, screening for this neoplasia with Pap smear sampling typically begins in young adulthood

Reference: Page no: 120, Chapter:Principles of epidemiology and epidemiologic Methods, Park’s Textbook of SPM/ 23e.