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近年来,不孕不育发生率呈升高趋势。据调查,在所有不孕不育夫妇中,因男性因素引起不孕不育的比例约50%。丹麦学者研究结果表明,近50年男性精液中精子数和精子活力均明显下降,而睾丸癌和隐睾发生率显著升高[1]。已知,引起精子质量下降和睾丸异常的因素包括环境毒物、药物、高温、环境内分泌干扰物和不良生活方式(酗酒和吸烟)等。人群研究报道,男性长期酗酒者中阳痿、性欲丧失、乳房女性化和
In recent years, the incidence of infertility showed an upward trend. According to the survey, in all infertile couples, male infertility caused by male factor about 50%. The results of the Danish scholar showed that sperm count and sperm motility in male semen decreased significantly in the past 50 years, while the incidence of testicular cancer and cryptorchidism was significantly increased [1]. It is known that the factors that cause the decline of sperm quality and testicular abnormalities include environmental toxicants, drugs, high temperature, environmental endocrine disruptors and unhealthy lifestyle (alcoholism and smoking). Crowd studies have reported impotence, loss of libido, feminization of the breast in men with long-term alcoholism and