This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Contraception, Subject name: Gynaecology & Obstetrics
[{'content': 'True statements regarding DMPA includes all the following except : \nSelect and explain. \nA. 3% failure rate, B. Protects against ovarian cancer, C. Can be given in women with seizures, D. Useful in treatment of menorrhagia', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Risk of endometrial cancer is substantially reduced by past use of DMPA Noncontraceptive benefits of DMPA:Anemia, PID, Ectopic pregnancy, and Endometrial cancer are repoedDMPA benefits women with sickle cell diseaseRef: Novak and Bereks Gynecology; 15th Edition; Chapter 10', 'role': 'assistant'}]