In the past, male infertility was generally believed to be caused by varicocele. However, the increased occurrence rate of chronic prostatitis (CP) has become the major cause of male infertility.

过去一般认为导致男性不育最常见的原因是精索静脉曲张，但近年来由于慢性前列腺炎(CP)的发病率越来越高，成为引起男性不育的主要病因之一。

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