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': 'A woman presents with amenorrhoea of 2 months duration; lower abdominal pain, facial pallor fainting and shock. Diagnosis is : \nSelect and explain. \nA. Ruptured ovarian cyst, B. Ruptured ectopic pregnancy, C. Threatened aboion, D. Septic aboion', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. is b i.e. Ruptured ectopic pregnancy', 'role': 'assistant'}]