This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Sterilisation surgeries, Subject name: Gynaecology & Obstetrics
[{'content': 'Maximum risk of ectopic pregnancy is after reversal/failure of which of these female sterilisation procedures? \nSelect and explain. \nA. Laparoscopic electrocoagulation, B. Laparoscopic clips, C. Laparoscopic rings, D. Pomeroys ligation', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Approximately half of the pregnancies that follow a failed electrocoagulation procedure are ectopic, compared with only 10 percent following failure of a ring, clip, or tubal resectionmethod', 'role': 'assistant'}]