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为研究和比较稳态噪声和非稳态噪声对作业女工生育机能所造成的损害及其损害的程度，对某市纺织厂接触稳态噪声和某汽车厂接触非稳态噪声的２５９名育龄女工进行了回顾性及现状职业流行病学调查。结果表明，两种噪声都可使作业女工月经异常发生率和乳汁分泌不足发生率增高（Ｐ＜０．０５）；妊娠高血压、自然流产、早产儿及低体重儿的发生率有增高趋势，但差异不显著。
In order to study and compare the damage caused by steady-state noise and unsteady noise on the reproductive function of female workers and the extent of their damage, a survey was conducted among 259 women of child bearing age who were exposed to steady-state noises and unsteady noise from a car factory in a certain city. A retrospective and current occupational epidemiological survey was conducted. The results showed that both noises could increase the incidence of abnormal menstruation and lack of milk secretion (P <0.05). The incidence of pregnancy-induced hypertension, spontaneous abortion, premature infants and low birth weight children tended to increase, But the difference is not significant.