This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Disorders of menstruation, Subject name: Gynaecology & Obstetrics
[{'content': 'Levonorgestrel-releasing Intrauterine device is advised in fibroid management if uterine size is less than \nSelect and explain. \nA. 12 weeks, B. 14 weeks, C. 16 weeks, D. 20 weeks', 'role': 'user'}, {'content': "Answer: A \nExplanation: The levonorgestrel-releasing intrauterine system (LNG-IUS) may be reasonable treatment for selected women with fibroid-associated menorrhagia.In women with fibroids, uterine size no larger than 12 weeks, and a normal uterine cavity, LNG-IUS substantially reduces menstrual bleeding.Reference: Novak's Gynaecology; 14th edition; Chapter 15; Uterine fibroids", 'role': 'assistant'}]