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
Levonorgestrel IUS used in treatment of AUB, has all benefits except 
Select and explain. 
A. Provides contraceptive cover, B. Effective for associated dysmenorrhea, C. No break-through bleeding, D. Women become amenorrheic within one year after insertion
C: No break-through bleeding
Answer: C: No break-through bleeding 
Explanation: Irregular menses and break through bleeding occurs for first 3 → 9 months after insertion.