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对某纺织厂织布车间(噪声水平>100分贝)100名女工和绣品厂(噪声水平<60分贝)97名女工进行了生殖机能的调查。调查结果,噪声组月经周期不规则和腰酸的发生率分别为13.0％和72.0％,显著高于对照组;自然流产、剖腹产和早产的发生率亦有升高趋势,但未达到显著性意义的水平。另噪声组有2名死胎,而对照组则无。婴儿出生体重、妇科检查异常率、B超检查,两组亦无显著差别。婴儿喂养方式,噪声组人工喂养和混合喂养的百分比分别为28.2％和16.1％,高于对照组的15.8％和10.8％,提示噪声可能影响女工的女性机能,使乳汁分泌减少。
Weaving workshop for a certain textile factory (noise level> 100 dB) 100 women workers and embroidery factories (noise level <60 dB) 97 female workers conducted a survey on reproductive function. The results showed that the incidence of irregular menstrual cycle and backache in the noise group were 13.0% and 72.0%, respectively, which were significantly higher than those in the control group. The incidence of spontaneous abortion, caesarean section and preterm birth also increased but did not reach significant significance Level. The other noisy group had 2 stillbirths, while the control group did not. Baby birth weight, gynecological examination abnormal rate, B-ultrasound, there was no significant difference between the two groups. The percentages of infant feeding, noise feeding and mixed feeding were 28.2% and 16.1% respectively, which were 15.8% and 10.8% higher than that of the control group, respectively, suggesting that the noise may affect the female function of female workers and reduce the milk secretion.