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Association Between Individual Air Pollution (PM10, PM2.5) Exposure and Adverse Pregnancy Outcomes in Korea: A Multicenter Prospective Cohort, Air Pollution on Pregnancy Outcome (APPO) Study

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Author(s)
Tae Gyu AhnYoung Ju KimGain LeeYoung-Ah YouSoo Min KimRin ChaeYoung Min HurMi Hye ParkJin-Gon BaeSoo-Jeong LeeYoung-Han KimSunghun Na
Keimyung Author(s)
Bae, Jin Gon
Department
Dept. of Obstetrics & Gynecology (산부인과학)
Journal Title
J Korean Med Sci
Issued Date
2024
Volume
39
Issue
13
Keyword
Air PollutionPM10PM2.5PregnancyAdverse Pregnancy Outcomes
Abstract
Background:
Prenatal exposure to ambient air pollution is linked to a higher risk of unfavorable pregnancy outcomes. However, the association between pregnancy complications and exposure to indoor air pollution remains unclear. The Air Pollution on Pregnancy Outcomes research is a hospital-based prospective cohort research created to look into the effects of aerodynamically exposed particulate matter (PM)10 and PM2.5 on pregnancy outcomes.

Methods:
This prospective multicenter observational cohort study was conducted from January 2021 to June 2023. A total of 662 women with singleton pregnancies enrolled in this study. An AirguardK® air sensor was installed inside the homes of the participants to measure the individual PM10 and PM2.5 levels in the living environment. The time–activity patterns and PM10 and PM2.5, determined as concentrations from the time-weighted average model, were applied to determine the anticipated exposure levels to air pollution of each pregnant woman. The relationship between air pollution exposure and pregnancy outcomes was assessed using logistic and linear regression analyses.

Results:
Exposure to elevated levels of PM10 throughout the first, second, and third trimesters as well as throughout pregnancy was strongly correlated with the risk of pregnancy problems according to multiple logistic regression models adjusted for variables. Except for in the third trimester of pregnancy, women exposed to high levels of PM2.5 had a high risk of pregnancy complications. During the second trimester and entire pregnancy, the risk of preterm birth (PTB) increased by 24% and 27%, respectively, for each 10 μg/m3 increase in PM10. Exposure to high PM10 levels during the second trimester increased the risk of gestational diabetes mellitus (GDM) by 30%. The risk of GDM increased by 15% for each 5 μg/m3 increase in PM2.5 during the second trimester and overall pregnancy, respectively. Exposure to high PM10 and PM2.5 during the first trimester of pregnancy increased the risk of delivering small for gestational age (SGA) infants by 96% and 26%, respectively.

Conclusion:
Exposure to high concentrations of PM10 and PM2.5 is strongly correlated with the risk of adverse pregnancy outcomes. Exposure to high levels of PM10 and PM2.5 during the second trimester and entire pregnancy, respectively, significantly increased the risk of PTB and GDM. Exposure to high levels of PM10 and PM2.5 during the first trimester of pregnancy considerably increased the risk of having SGA infants. Our findings highlight the need to measure individual particulate levels during pregnancy and the importance of managing air quality in residential environment.
Keimyung Author(s)(Kor)
배진곤
Publisher
School of Medicine (의과대학)
Type
Article
ISSN
1598-6357
Source
https://jkms.org/search.php?where=aview&id=10.3346/jkms.2024.39.e131&code=0063JKMS&vmode=FULL
DOI
10.3346/jkms.2024.39.e131
URI
https://kumel.medlib.dsmc.or.kr/handle/2015.oak/45378
Appears in Collections:
1. School of Medicine (의과대학) > Dept. of Obstetrics & Gynecology (산부인과학)
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