This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Contraceptives, Subject name: Gynaecology & Obstetrics
Non contraceptive benefits of OC pills may be seen in all of the following conditions except: 
Select and explain. 
A. Ca endometrium, B. Ca breasts, C. Rheumatoid ahritis, D. Endometriosis
B: Ca breasts
Answer: B: Ca breasts 
Explanation: OCPills ( progesterone component) cause a small increase in risk of breast cancer in a high-risk woman. Risk of malignancy completely reverses after 10 years of stoppage Non contraceptive benefits of use of oral contraceptives Menstrual disturbances: irregularity, dysmenorrhea, menorrhagia, ovulation pain Cancers: protective for endometrial and ovarian cancers and choriocarcinoma Benign tumors: benign breast disease, ovarian cysts Endometriosis Acne Hirsutism Rheumatoid ahritis Anemia and malnutrition: by preventing pregnancy and decreasing menorrhagia Osteoporosis