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
All the following are the Non-contraceptive use of OCP's,  except 
Select and explain. 
A. Carcinoma endometrium, B. Carcinoma breast, C. Rheumatoid arthritis, D. Endometriosis
B: Carcinoma breast
Answer: B: Carcinoma breast 
Explanation: None