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
Which of the following procedure isassociated with maximum chance of re-canalization during surgery for reversal of tubal ligation : 
Select and explain. 
A. lsthumo-isthmic anastomosis, B. Isthumo-ampullary anastomosis, C. Ampullo-ampullary anastomosis, D. Cornual obstruction
A: lsthumo-isthmic anastomosis
Answer: A: lsthumo-isthmic anastomosis 
Explanation: Ans. is a i.e. Isthmo-isthmic anastomosis