Epididymal obstruction can occur from a variety of causes. Over the past decade, new techniques for bypassing the obstruction have been described and appear to have improved both patency and pregnancy rates. These microsurgical methods are quite tedious to perform, and a good deal of laboratory and clinical experience is necessary in order to achieve the best results. The level at which the epididymis is obstructed plays a crucial role with regard to sperm maturation and the potential for fertilization.
附睾梗阻可由多种原因引起。在过去十年中，已描述了绕过梗阻的新技术，这些技术似乎提高了通畅率和妊娠率。这些显微外科方法操作起来相当繁琐，为了取得最佳效果，需要大量的实验室和临床经验。附睾梗阻的部位在精子成熟和受精潜力方面起着关键作用。
