This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Endometriosis and Infertility, Subject name: Gynaecology & Obstetrics
[{'content': 'Reversal of sterilization is best with: \nSelect and explain. \nA. Falope ring, B. Cauterization, C. Pomeroy method, D. Irving method', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. is a, i.e. Falope ring* Chances of reversal are best when tubectomy was done with: Laparoscopic clips > Laparoscopic falope rings* Chances of Reversal are least with: Cauterization.', 'role': 'assistant'}]