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首页> 外文期刊>Annals of epidemiology >Associations between PM2.5 and risk of preterm birth among liveborn infants
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Associations between PM2.5 and risk of preterm birth among liveborn infants

机译:PM2.5之间的关联与活泼婴儿早产的风险

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Purpose: Studies suggest exposure to ambient particulate matter less than 2.5 mu g/m(3) in aerodynamic diameter (PM2.5) may be associated with preterm birth (PTB), but few have evaluated how this is modified by ambient temperature. We investigated the relationship between PM2.5 exposure during pregnancy and PTB in infants without birth defects (1999-2006) and enrolled in the National Birth Defects Prevention Study and how it is modified by concurrent temperature.
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