This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Gynaecology, Subject name: Gynaecology & Obstetrics
The following are the factors associated with CIN EXCEPT 
Select and explain. 
A. Onset of coitus at early stage, B. Multiple sexual paners, C. Lower socioeconomic status, D. Nulliparity
D: Nulliparity
Answer: D: Nulliparity 
Explanation: Multiparity is believed to be a risk factor for cervical cancer Women who have had 3 or more full-term pregnancies have an increased risk of developing cervical cancer. Hormonal changes during pregnancy as possibly making women more susceptible to HPV infection or cancer growth. Another thought is that the immune system of pregnant women might be weaker, allowing for HPV infection and increase in cervical dysplasia Resumption of intercourse when the T.Z is regenerating and 'New' after a delivery, is a high susceptible stage for dysplasias to sta