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
[{'content': 'Where is a missed IUCD most commonly found : \nSelect and explain. \nA. Inside the uterus, B. In the adominal cavity outside the uterus, C. Both are equally commonly encountered, D. None is a common site', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Inside the uterus', 'role': 'assistant'}]