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': 'Best result in tuboplasty are seen in : \nSelect and explain. \nA. Isthmic - Isthmic type, B. Isthmic - ampullary type, C. Cornual implantation, D. Removal of hydrosalpinx', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Isthmic - Isthmic type', 'role': 'assistant'}]