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': 'Most genuine symptom of the retroversion is : \nSelect and explain. \nA. Backache, B. Dyspareunia, C. Infeility, D. Diarrhoea', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Dyspareunia', 'role': 'assistant'}]