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': 'Young lady presents with acute abdominal pain and history of 11/2 months amenorrhoea, on USG examination there is collection of fluid in the pouch of douglas and empty gestational sac. Diagnosis is \nSelect and explain. \nA. Ectopic pregnancy, B. Pelvic hematocele, C. Threatened aboion, D. Twisted ovarian cyst', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. is a i.e. Ectopic pregnancy', 'role': 'assistant'}]