苯、甲苯、二甲苯是常见的工业毒物，三者往往同时存在于生产环境中，接触混苯的人数较多。曾有报道接触混苯的女工自然流产率及出生缺陷发生率显著高于对照组〔１～３〕，为保护作业工人及后代的健康，我们对低浓度混苯作业工人进行生殖机能流行病学调查。现将结果报告如... Benzene, toluene, xylene is a common industrial poison, the three are often simultaneously exist in the production environment, the number of people contact with benzene more. It has been reported that the rate of spontaneous abortion and birth defects among female workers exposed to mixed benzene was significantly higher than that of the control group [1-3]. To protect the health of working workers and future generations, we conducted reproductive functional epidemiology survey. Now report the results as ...