Environmental tobacco smoke exposure and perinatal outcomes: a systematic review and meta‐analyses

@article{Salmasi2010EnvironmentalTS,
  title={Environmental tobacco smoke exposure and perinatal outcomes: a systematic review and meta‐analyses},
  author={Giselle Salmasi and Rosheen Grady and Jennifer R A Jones and Sarah Diana McDonald},
  journal={Acta Obstetricia et Gynecologica Scandinavica},
  year={2010},
  volume={89}
}
Background. While active maternal tobacco smoking has well established adverse perinatal outcomes, the effects of passive maternal smoking, also called environmental tobacco exposure (ETS), are less well studied and less consistent. Objective: To determine to the effect of ETS on perinatal outcomes. Search strategy. Medline, EMBASE and reference lists were searched. Selection criteria. Studies comparing ETS‐exposed pregnant women with those unexposed which adequately addressed active maternal… 
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TLDR
Exposure of non-smoking pregnant women to ETS reduces mean birth weight by 33 g or more, and increases the risk of birth weight below 2500 g by 22%, but has no clear effect on gestation or therisk of being small for gestational age.
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TLDR
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TLDR
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TLDR
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TLDR
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