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
Oral pill may prevent the development of : 
Select and explain. 
A. Carcinoma breast, B. Ovarian malignancy, C. Sub - mucous fibroid, D. All of the above
B: Ovarian malignancy
Answer: B: Ovarian malignancy 
Explanation: Ovarian malignancy