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对第四化工厂和自来水厂氯碱作业环境和作业女工进行了调查，并以条件相近的女工１２０人为对照。空气氯测定：电解、干燥超标１．４２和４．８４倍，其余车间未超标。女工月经先兆症状、月经状况调查发生异常比例增高，其中经期异常、痛经、白带异常与对照组相比有显著性差异，而对妊娠结局无明显影响，与对照组相比无显著性差异。
The fourth chemical plant and water plant chlor-alkali operating environment and operational women were investigated and 120 women workers in similar conditions as a control. Determination of air chlorine: electrolysis, drying excessive 1.42 and 4.84 times, the rest of the workshop is not exceeded. Menstrual period menstruation aura symptoms, abnormal menstrual status survey increased, of which menstrual abnormalities, dysmenorrhea, vaginal discharge abnormalities compared with the control group were significantly different, but no significant effect on pregnancy outcome, compared with the control group no significant difference.