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Particulate air pollution and fetal health: A systematic review of the epidemiologic evidence

Lookup NU author(s): Dr Svetlana Glinyanaya, Professor Judith Rankin, Dr Ruth Bell, Professor Tanja Pless-Mulloli, Denise Howel

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Abstract

Background: Research on the potential impact of air pollution on the health of adults and children has grown rapidly over the last decade. Recent studies have suggested that air pollution could also be associated with adverse effects on the developing fetus. This systematic review evaluates the current level of epidemiologic evidence on the association between ambient particulate air pollution and fetal health outcomes. We also suggest further research questions. Methods: Using database searches and other approaches, we identified relevant publications published between 1966 and 2001 in English. Articles were included if they reported original data on birthweight, gestational age at delivery, or stillbirth related to directly measured nonaccidental exposure to particulate matter. Results: Twelve studies met the inclusion criteria. There was little consistency in the evidence linking particulate air pollution and fetal outcomes. Many studies had methodologic weaknesses in their design and adjustment for confounding factors. Even in well-designed studies, the reported magnitude of the effects was small and inconsistently associated with exposure at specific stages of pregnancy. Conclusions: The currently available evidence is compatible with either a small adverse effect of particulate air pollution on fetal growth and duration of pregnancy or with no effect. Further research should be directed toward clarifying and quantifying these possible effects and generating testable hypotheses on plausible biologic mechanisms. Copyright © 2003 by Lippincott Williams & Wilkins.


Publication metadata

Author(s): Glinianaia SV, Rankin J, Bell R, Pless-Mulloli T, Howel D

Publication type: Review

Publication status: Published

Journal: Epidemiology

Year: 2004

Volume: 15

Issue: 1

Pages: 36-45

Print publication date: 01/01/2004

ISSN (print): 1044-3983

ISSN (electronic):

DOI: 10.1097/01.ede.0000101023.41844.ac

PubMed id: 14712145


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