This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Methods - Progestogen-Only Contraception, Subject name: Gynaecology & Obstetrics
[{'content': 'True about Mirena: \nSelect and explain. \nA. Progestrone containing IUCD, B. Contain desogestrol, C. Causes endometrial hyperplasia, D. No effect on Menses', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans: A (Progestrone containing IUCD); Decreases menstural blood flow) MIRENA Shaws 15th/304-05Mirena IUCD is employed to control menorrhagiaIt directly suppresses endometrium with minimal side effectsDosage: 52 mg LNG', 'role': 'assistant'}]