This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: FMGE 2018, Subject name: Gynaecology & Obstetrics
[{'content': 'In a patient with ectopic tubal pregnancy which is the earliest to rupture? \nSelect and explain. \nA. Interstitial, B. Isthmus, C. Ampulla, D. Infundibulum', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Fate of Ectopic pregnancy - 1. Tubal aboion M/C site is ampulla 2nd M/C site is infundibulum 2. Rupture of the tube M/C site is Isthmus (4-6 weeks) Longest survival - interstitium (12 weeks)', 'role': 'assistant'}]