This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Ecotopic Pregnancy, 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 abortion, D. Twisted ovarian cyst', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. is a, i.e. Ectopic pregnancyRef. Dutta Obs. 7/e, p 182, 183Young lady presenting with history of:AmenorrheaAbdominal painOn USG:Collection of fluid in pouch of DouglasEmpty gestational sacIndicate:Ectopic pregnancy', 'role': 'assistant'}]