Personal exposure of PM 2.5 and metabolic syndrome markers of pregnant women in South Korea: APPO study

We examined the association between exposure to PM , focused on individual exposure level, and metabolic dysfunction during pregnancy. APPO study (Air Pollution on Pregnancy Outcome) was a prospective, multicenter, observational cohort study conducted from January 2021 to March 2023. Individual PM c...

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Published in:Environmental science and pollution research international 2023-12, Vol.30 (59), p.123893
Main Authors: Jeong, Yeonseong, Park, Sunwha, Kwon, Eunjin, Hur, Young Min, You, Young-Ah, Kim, Soo Min, Lee, Gain, Lee, Kyung A, Kim, Soo Jung, Cho, Geum Joon, Oh, Min-Jeong, Na, Sung Hun, Lee, Se Jin, Bae, Jin-Gon, Kim, Yu-Hwan, Lee, Soo-Jeong, Kim, Young-Han, Kim, Young Ju
Format: Article
Language:English
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Summary:We examined the association between exposure to PM , focused on individual exposure level, and metabolic dysfunction during pregnancy. APPO study (Air Pollution on Pregnancy Outcome) was a prospective, multicenter, observational cohort study conducted from January 2021 to March 2023. Individual PM concentrations were calculated using a time-weighted average model. Metabolic dysfunction during pregnancy was assessed based on a modified definition of metabolic syndrome and its components, accounting for pregnancy-specific criteria. Exposure to PM during pregnancy was associated with worsened metabolic parameters especially glucose metabolism. In comparison to participants exposed to the low PM group, those exposed to high PM levels exhibited increased odds of gestational diabetes mellitus (GDM) after adjusting for confounding variables in different adjusted models. Specifically, in model 1, the adjusted odds ratio (aOR) was 3.117 with a 95% confidence interval (CI) of 1.234-7.870; in model 2, the aOR was 3.855 with a 95% CI of 1.255-11.844; in model 3, the aOR was 3.404 with a 95% CI of 1.206-9.607; and in model 4, the aOR was 2.741 with a 95% CI of 0.712-10.547. Exposure to higher levels of PM during pregnancy was associated with a tendency to worsen metabolic dysfunction markers specifically in glucose homeostasis. Further research is needed to investigate the mechanisms underlying the effects of ambient PM on metabolic dysfunction during pregnancy.
ISSN:1614-7499
DOI:10.1007/s11356-023-30921-x