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Maternal fine particulate matter (PM2.5) exposure and adverse birth outcomes: an updated systematic review based on cohort studies.
Environ Sci Pollut Res Int. 2019 May; 26(14):13963-13983.ES

Abstract

Exposure to ambient air pollutants during pregnancy may be associated with numerous side health effects and adverse birth outcomes. Growing numbers of studies have explored a possible linkage between prenatal exposure to PM2.5 (particulate matter with aerodynamic diameter ≤ 2.5 μm) and impacts on fetal development. We aimed to conduct a systematic review based on published cohort studies to summarize evidence regarding the association between maternal PM2.5 exposure and birth outcomes, including birth weight, low birth weight (LBW), preterm birth (PTB), and small for gestational age (SGA). Eligible studies meeting the following criterion were selected: PM2.5 exposure during pregnancy and live birth singletons, certain presentation of sample sizes, and quantitative evaluation of the associations between exposure and outcomes. Among the 42 selected studies, 23 evaluated the impact of prenatal PM2.5 exposure on birth weight of infants while 12 of them provided a significantly negative association for exposure and birth weight. Twenty-one studies aimed to identify the possible relationship between maternal exposure and LBW and 8 studies proved significant associations. Among 18 studies that explored the correlation between prenatal exposure and PTB, 9 reached a consistent conclusion that gestational exposure would add to the risk of PTB. Nine studies assessed the impact of PM2.5 on SGA and 5 of them demonstrated a significant effect. So far, linkages between maternal PM2.5 exposure during varied gestational stages and multiple adverse birth outcomes have been observed in many studies. A summary of them will be meaningful for further research on maternal exposure and adverse birth outcomes.

Authors+Show Affiliations

Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, 280 South Chongqing Road, Shanghai, 200025, China.Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, 280 South Chongqing Road, Shanghai, 200025, China.Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, 280 South Chongqing Road, Shanghai, 200025, China. gaoyu_ciel@sjtu.edu.cn.Department of Environmental Health, School of Public Health, Shanghai Jiao Tong University School of Medicine, 280 South Chongqing Road, Shanghai, 200025, China. tianmiejp@sjtu.edu.cn. MOE and Shanghai Key Laboratory of Children's Environmental Health, Xin Hua Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai, China. tianmiejp@sjtu.edu.cn.

Pub Type(s)

Journal Article
Systematic Review

Language

eng

PubMed ID

30891704

Citation

Yuan, Lei, et al. "Maternal Fine Particulate Matter (PM2.5) Exposure and Adverse Birth Outcomes: an Updated Systematic Review Based On Cohort Studies." Environmental Science and Pollution Research International, vol. 26, no. 14, 2019, pp. 13963-13983.
Yuan L, Zhang Y, Gao Y, et al. Maternal fine particulate matter (PM2.5) exposure and adverse birth outcomes: an updated systematic review based on cohort studies. Environ Sci Pollut Res Int. 2019;26(14):13963-13983.
Yuan, L., Zhang, Y., Gao, Y., & Tian, Y. (2019). Maternal fine particulate matter (PM2.5) exposure and adverse birth outcomes: an updated systematic review based on cohort studies. Environmental Science and Pollution Research International, 26(14), 13963-13983. https://doi.org/10.1007/s11356-019-04644-x
Yuan L, et al. Maternal Fine Particulate Matter (PM2.5) Exposure and Adverse Birth Outcomes: an Updated Systematic Review Based On Cohort Studies. Environ Sci Pollut Res Int. 2019;26(14):13963-13983. PubMed PMID: 30891704.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Maternal fine particulate matter (PM2.5) exposure and adverse birth outcomes: an updated systematic review based on cohort studies. AU - Yuan,Lei, AU - Zhang,Yan, AU - Gao,Yu, AU - Tian,Ying, Y1 - 2019/03/20/ PY - 2018/09/11/received PY - 2019/02/19/accepted PY - 2019/3/21/pubmed PY - 2019/7/2/medline PY - 2019/3/21/entrez KW - Air pollution KW - Low birth weight KW - Preterm birth KW - Small for gestational age KW - Term low birth weight SP - 13963 EP - 13983 JF - Environmental science and pollution research international JO - Environ Sci Pollut Res Int VL - 26 IS - 14 N2 - Exposure to ambient air pollutants during pregnancy may be associated with numerous side health effects and adverse birth outcomes. Growing numbers of studies have explored a possible linkage between prenatal exposure to PM2.5 (particulate matter with aerodynamic diameter ≤ 2.5 μm) and impacts on fetal development. We aimed to conduct a systematic review based on published cohort studies to summarize evidence regarding the association between maternal PM2.5 exposure and birth outcomes, including birth weight, low birth weight (LBW), preterm birth (PTB), and small for gestational age (SGA). Eligible studies meeting the following criterion were selected: PM2.5 exposure during pregnancy and live birth singletons, certain presentation of sample sizes, and quantitative evaluation of the associations between exposure and outcomes. Among the 42 selected studies, 23 evaluated the impact of prenatal PM2.5 exposure on birth weight of infants while 12 of them provided a significantly negative association for exposure and birth weight. Twenty-one studies aimed to identify the possible relationship between maternal exposure and LBW and 8 studies proved significant associations. Among 18 studies that explored the correlation between prenatal exposure and PTB, 9 reached a consistent conclusion that gestational exposure would add to the risk of PTB. Nine studies assessed the impact of PM2.5 on SGA and 5 of them demonstrated a significant effect. So far, linkages between maternal PM2.5 exposure during varied gestational stages and multiple adverse birth outcomes have been observed in many studies. A summary of them will be meaningful for further research on maternal exposure and adverse birth outcomes. SN - 1614-7499 UR - https://www.unboundmedicine.com/medline/citation/30891704/Maternal_fine_particulate_matter__PM2_5__exposure_and_adverse_birth_outcomes:_an_updated_systematic_review_based_on_cohort_studies_ L2 - https://dx.doi.org/10.1007/s11356-019-04644-x DB - PRIME DP - Unbound Medicine ER -