Objective To investigate the patency rate and natural pregnancy rate after microsurgical vasoepididymostomy(MVE) and the effect of the anastomosis site on the patency rate in patients with obstructive azoospermia(OA).Methods Forty-four OA cases underwent MVE in our hospital from March2012 to March 2014.The clinical data,intraoperative findings and postoperative follow-up results were collected,and the patency rate and natural pregnancy rate were statistically analyzed.Results The mean age of the 44 patients...