Windows of sensitivity for risk of adverse birth outcomes related to gestational PM2.5 exposure : Evidence from a natural experiment
Copyright © 2024 Elsevier Ltd. All rights reserved..
While numerous studies have associated maternal exposure to PM2.5 with adverse birth outcomes, findings remain inconsistent and difficult to generalize. We aimed to investigate the causal relationship and window of sensitivity between gestational exposure to PM2.5 and birth outcomes. We leveraged high-resolution satellite data to quantify gestational PM2.5 exposure at the individual level, along with a combined model to determine daily relative risks (RRs) of birth outcomes in COVID-19 prelockdown and lockdown groups. RRs between the two groups were further compared using a longitudinal pre-post non-experimental design to identify sensitivity windows of adverse birth outcomes. A total of 73,781 pregnant women from the COVID-19 prelockdown group and 6267 pregnant women from the lockdown group were included for analysis. The daily mean PM2.5 concentrations in the lockdown group decreased by 21.7% compared to the prelockdown group. During the first trimester, every 10 μg/m3 increase in PM2.5 significantly increased the risk of congenital abnormalities of major organs such as the cardiovascular system, gastrointestinal tract, nervous system, urinary system, and respiratory system. Moreover, gestational exposure to PM2.5 during the first trimester was associated with higher risks of premature delivery and term low birth weight. While PM2.5 exposure during the second trimester was positively correlated with macrosomia. Gestational exposure to PM2.5 is associated with increased risks of various adverse birth outcomes with specific sensitive windows. We demonstrated that gestational exposure to PM2.5 increased risks of various adverse birth outcomes with specific window of sensitivity through the natural experiment design. Our findings underscore the urgent need for policies and initiatives targeting PM2.5 reduction, especially during critical periods of pregnancy.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2024 |
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| Erschienen: |
2024 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:347 |
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| Enthalten in: |
Environmental pollution (Barking, Essex : 1987) - 347(2024) vom: 15. Apr., Seite 123759 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Ni, Wei [VerfasserIn] |
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| Links: |
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| Themen: |
Adverse birth outcome |
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| Anmerkungen: |
Date Completed 08.04.2024 Date Revised 08.04.2024 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.envpol.2024.123759 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| 520 | |a While numerous studies have associated maternal exposure to PM2.5 with adverse birth outcomes, findings remain inconsistent and difficult to generalize. We aimed to investigate the causal relationship and window of sensitivity between gestational exposure to PM2.5 and birth outcomes. We leveraged high-resolution satellite data to quantify gestational PM2.5 exposure at the individual level, along with a combined model to determine daily relative risks (RRs) of birth outcomes in COVID-19 prelockdown and lockdown groups. RRs between the two groups were further compared using a longitudinal pre-post non-experimental design to identify sensitivity windows of adverse birth outcomes. A total of 73,781 pregnant women from the COVID-19 prelockdown group and 6267 pregnant women from the lockdown group were included for analysis. The daily mean PM2.5 concentrations in the lockdown group decreased by 21.7% compared to the prelockdown group. During the first trimester, every 10 μg/m3 increase in PM2.5 significantly increased the risk of congenital abnormalities of major organs such as the cardiovascular system, gastrointestinal tract, nervous system, urinary system, and respiratory system. Moreover, gestational exposure to PM2.5 during the first trimester was associated with higher risks of premature delivery and term low birth weight. While PM2.5 exposure during the second trimester was positively correlated with macrosomia. Gestational exposure to PM2.5 is associated with increased risks of various adverse birth outcomes with specific sensitive windows. We demonstrated that gestational exposure to PM2.5 increased risks of various adverse birth outcomes with specific window of sensitivity through the natural experiment design. Our findings underscore the urgent need for policies and initiatives targeting PM2.5 reduction, especially during critical periods of pregnancy | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Adverse birth outcome | |
| 650 | 4 | |a Congenital abnormality | |
| 650 | 4 | |a Gestational PM(2.5) exposure | |
| 650 | 4 | |a Satellite-retrieval | |
| 650 | 4 | |a Window of sensitivity | |
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| 700 | 1 | |a Xing, Yuhan |e verfasserin |4 aut | |
| 700 | 1 | |a Li, Guoju |e verfasserin |4 aut | |
| 700 | 1 | |a Du, Zhanhui |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, Ping |e verfasserin |4 aut | |
| 700 | 1 | |a Wang, Qinzheng |e verfasserin |4 aut | |
| 700 | 1 | |a Yang, Xinmeng |e verfasserin |4 aut | |
| 700 | 1 | |a Lyu, Bei |e verfasserin |4 aut | |
| 700 | 1 | |a Fa, Hongge |e verfasserin |4 aut | |
| 700 | 1 | |a Shi, Qiuling |e verfasserin |4 aut | |
| 700 | 1 | |a Xing, Quansheng |e verfasserin |4 aut | |
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