This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Gynaecology & Obstetrics
Carcinoma cervix is more common in:a) HIV Patientb) Multiparityc) Smokingd) Nulliparitye) Family history 
Select and explain. 
A. ab, B. abc, C. acd, D. bcd
B: abc
Answer: B: abc 
Explanation: Factors Predisposing to CIN/Ca cervix:

Human Papilloma virus infection
Sexually transmitted infections:
Coitus before 18 years of age
Multiple sex partners
Multiparity
Poor personal hygiene
Poor socioeconomic status
Smoking
Immunosuppressed individuals
Women on OCP, Progesterone therapy for long time are predisposed to adenocarcinoma of endocervix.
In utero exposure to DES
"HPV is central to the development of cervical neoplasia. HPV - DNA is found in 95% of all squamous cell carcinoma & 90% of all adenocarcinomas."