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选择锰作业男工５３名，对照３９名，对锰作业男工进行生殖毒研究。结果表明：锰作业男工精液化时间、精子活率、精子畸形率与对照组相比差异均有显著性（Ｐ＜０．０５）。精子数，精子活力与对照组相比差异均有高度显著性（Ｐ＜０．０１）；精浆及血清中的性激素水平与对照组相比差异也有显著性（Ｐ＜０．０５）。说明锰对作业男工的精子可能有直接作用并可能会引起生殖内分泌功能的紊乱。
Fifty-three male workers were selected for manganese work and 39 were control workers. Reproductive toxicity research was conducted on male manganese workers. The results showed that there were significant differences in the time of semen liquefaction, sperm motility and sperm deformity between male workers and control group (P <0.05). Sperm count and sperm motility were significantly higher than those in the control group (P <0.01). There were also significant differences in the levels of sex hormones between seminal plasma and serum as compared with the control group (P <0.05). This indicates that manganese may have a direct effect on sperms of working male workers and may cause disorders of reproductive and endocrine functions.