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首页> 外文期刊>American journal of industrial medicine >Maternal occupational exposure to electromagnetic fields before, during, and after pregnancy in relation to risks of childhood cancers: findings from the Oxford Survey of Childhood Cancers, 1953-1981 deaths.
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Maternal occupational exposure to electromagnetic fields before, during, and after pregnancy in relation to risks of childhood cancers: findings from the Oxford Survey of Childhood Cancers, 1953-1981 deaths.

机译：与儿童期癌症风险相关的孕期，孕期和孕期孕产妇在电磁场中的职业暴露：牛津儿童期癌症调查（1953年至1981年死亡）的发现。

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BACKGROUND: The concern that maternal exposure to electromagnetic fields (EMF) might be related to childhood cancer risks, particularly leukemia risks. METHODS: Maternal occupational data already collected as part of the Oxford Survey of Childhood Cancers have been reviewed. Information on occupations held before, during, and after the pregnancy was sought for 15,041 children dying of cancer in Great Britain in the period 1953-1981, and for an equal number of matched controls. Each period of working was classified under one of five headings: (1) sewing machinist; (2) textile industry workers (other than sewing machinists) with likely exposures to EMF; (3) other machinists and other jobs with likely "higher" EMF exposure; (4) other jobs with likely exposure to some EMF, and (5) jobs with little potential for EMF exposure. RESULTS: Relative to risks in the children of mothers who held occupations with little potential for EMF exposure during pregnancy (a category that included housewives), risks of all childhood cancers were close to unity both for the children of sewing machinists (22 case and 31 control mothers, RR 0.72, 95% CI 0.42 to 1.25) and for the children of other machinists with likely "higher" EMF exposures (44 case and 47 control mothers, RR 0.93, 95% CI 0.61 to 1.41). Corresponding risks for all childhood leukemias and for all childhood brain cancers were similarly unexceptional. Simultaneous adjustment for social class, maternal age at birth of child, and sibship position had little effect. CONCLUSIONS: The study findings did not indicate that maternal occupational exposure to EMF during pregnancy is a risk factor for childhood leukemias, childhood brain cancers, or the generality of all childhood cancers.
机译：背景：孕妇对电磁场（EMF）的暴露可能与儿童期癌症风险特别是白血病风险有关。方法：已经审查了作为牛津儿童癌症调查的一部分而收集的产妇职业数据。在1953年至1981年间，英国为15041名死于癌症的儿童寻求了有关怀孕之前，期间和之后从事的职业的信息，并提供了相当数量的配对对照。每个工作阶段均归为以下五个标题之一：（1）缝纫机械师; （2）可能接触电动势的纺织工业工人（缝纫机械师除外）; （3）其他机械师和其他可能具有较高“ EMF”暴露的工作; （4）其他可能会暴露于某些EMF的工作，以及（5）没有EMF暴露的工作。结果：相对于母亲的孩子的风险，这些母亲在怀孕期间从事EMF暴露的可能性很小（这一类别包括家庭主妇），所有儿童癌症的风险对于缝纫机械师的孩子而言几乎是一致的（22例和31例）对照母亲，RR 0.72，95％CI 0.42至1.25），以及其他可能“较高” EMF暴露的机械师的孩子（44例和47对照母亲，RR 0.93，95％CI 0.61至1.41）。同样，所有儿童期白血病和所有儿童期脑癌的相应风险也不例外。社会阶层，孩子出生时的产妇年龄和同居关系的同时调整影响不大。结论：研究结果并未表明母亲在怀孕期间职业性暴露于EMF是儿童白血病，儿童脑癌或所有儿童癌症的普遍危险因素。

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