This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Classification, Symptoms, and Signs, Subject name: Gynaecology & Obstetrics
[{'content': 'Most common mass descending mass per vaginum- \nSelect and explain. \nA. Labial cyst, B. Vagianl cyst, C. Myoma, D. Uterovaginal prolapse', 'role': 'user'}, {'content': "Answer: D \nExplanation: Ans. is 'd' i.e., Uterovaginal prolapse o Mass descending per vaginum is a common gynaecological complaint and is most often due to uterovaginal prolapse.", 'role': 'assistant'}]