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 common symptom present in undisturbed ectopic \nSelect and explain. \nA. Pain in lower abdomen, B. Amenorrhea, C. Bleeding P/V, D. Fainting attack', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. is a i.e. Pain in lower abdomen', 'role': 'assistant'}]