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背 景不育症的男性因素是常见的临床问题 ,由于在近 30～ 50年中出现精子质量与数量下降 ,睾丸癌、睾丸下降不良和尿道下裂的发病率有升高趋势的报道而倍受重视。然而 ,男性不育症并非独立的一个病种 ,引起男性不育的因素众多、复杂 ,涉及男女生殖以及整体健康状况和环境遗
Background Male infertility factors are common clinical problems. Due to the fact that the incidence of sperm quality and quantity decline, the incidence of testicular cancer, testicular descent, and hypospadias have been increasing in recent 30 ~ 50 years Pay attention. However, male infertility is not an independent disease. The factors that cause male infertility are numerous and complex, involving the reproductions of men and women as well as the general state of health and the environment