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约１５～２０％的正常男性可发生精索静脉曲张，且被认为是导致男性不育的最常见病因。精索静脉曲张导致不育症约为３５％，而精索静脉结扎术是治疗男性不育的最常见手术。我们前瞻性对１９９４年８月至１９９６年１０月经临床诊断为男性不育症、年龄在２３～３９岁（平均３１
About 15 ~ 20% of normal men may develop varicocele, and is considered to be the most common cause of male infertility. Varicoceles cause infertility is about 35%, while spermatic vein ligation is the most common treatment for male infertility. We prospectively analyzed male infertility clinically diagnosed between August 1994 and October 1996, aged 23-39 (mean 31