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  • Title: [Semen analysis of sterile patients among occupational computermen].
    Author: He J, Liu HC, Yu WZ, Zou HY.
    Journal: Zhonghua Nan Ke Xue; 2008 Oct; 14(10):914-6. PubMed ID: 19157103.
    Abstract:
    OBJECTIVE: To explore temn possible correlation between the computer occupational semen quality. METHODS: We included in this study 224 sterile males (118 computermen and 106 non-computermen) treated in our clinic of male sterility and 125 normal fertile men as controls, and analyzed such parameters as semen liquefaction time and sperm density, vitality and motility according to the WHO standard. RESULTS: Compared with the normal controls, there was a significant decrease in the semen volume and sperm density, vitality and motility (P < 0.05-0.01) and a marked increase in liquefaction time in the infertile computermen and non-computermen (P < 0.01). The semen volume and sperm vitality and motility were significantly lower in the infertile computermen than in the infertile non-eomputermen (P < 0.05). The three parameters were also significantly decreased in the 0-5, 6-10 and > 10 h/d computer use groups. Similarly, significantly lower sperm density, vitality and motility were observed in the > 10 hid group than in the 0-5 and 6-10 h/d groups (P < 0.05-0.01), but with no statistical difference between the latter two (P > 0.05). CONCLUSION: Computer occupation is associated with abnormal semen quality, and long-term computer use ( > 10 h/d) may be one of the factors of male infertility.
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