Investigation of the relationship between air pollution and gestational diabetes

Background Gestational diabetes mellitus (GDM) can have negative effects on both the pregnancy and perinatal outcomes, as well as the long-term health of the mother and the child. It has been suggested that exposure to air pollution may increase the risk of developing GDM. This study investigated th...

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Main Authors: Sima Nazarpour, Afshin Shokati Poursani, Maryam Mousavi, Fahimeh Ramezani Tehrani, Samira Behboudi-Gandevani
Format: Article
Language:English
Published: Taylor & Francis Group 2024-12-01
Series:Journal of Obstetrics and Gynaecology
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Online Access:https://www.tandfonline.com/doi/10.1080/01443615.2024.2362962
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author Sima Nazarpour
Afshin Shokati Poursani
Maryam Mousavi
Fahimeh Ramezani Tehrani
Samira Behboudi-Gandevani
author_facet Sima Nazarpour
Afshin Shokati Poursani
Maryam Mousavi
Fahimeh Ramezani Tehrani
Samira Behboudi-Gandevani
author_sort Sima Nazarpour
collection DOAJ
description Background Gestational diabetes mellitus (GDM) can have negative effects on both the pregnancy and perinatal outcomes, as well as the long-term health of the mother and the child. It has been suggested that exposure to air pollution may increase the risk of developing GDM. This study investigated the relationship between exposure to air pollutants with gestational diabetes.Methods The present study is a retrospective cohort study. We used data from a randomised community trial conducted between September 2016 and January 2019 in Iran. During this period, data on air pollutant levels of five cities investigated in the original study, including 6090 pregnant women, were available. Concentrations of ozone (O3), nitric oxide (NO), nitrogen dioxide (NO2), nitrogen oxides (NOx), sulphur dioxide (SO2), carbon monoxide (CO), particulate matter < 2.5 (PM2.5) or <10 μm (PM10) were obtained from air pollution monitoring stations. Exposure to air pollutants during the three months preceding pregnancy and the first, second and third trimesters of pregnancy for each participant was estimated. The odds ratio was calculated based on logistic regression in three adjusted models considering different confounders. Only results that had a p < .05 were considered statistically significant.Results None of the logistic regression models showed any statistically significant relationship between the exposure to any of the pollutants and GDM at different time points (before pregnancy, in the first, second and third trimesters of pregnancy and 12 months in total) (p > .05). Also, none of the adjusted logistic regression models showed any significant association between PM10 exposure and GDM risk at all different time points after adjusting for various confounders (p > .05).Conclusions This study found no association between GDM risk and exposure to various air pollutants before and during the different trimesters of pregnancy. This result should be interpreted cautiously due to the lack of considering all of the potential confounders.
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spelling doaj-art-267710bf48214e69a71cc9d099e3c0f02025-01-09T12:13:17ZengTaylor & Francis GroupJournal of Obstetrics and Gynaecology0144-36151364-68932024-12-0144110.1080/01443615.2024.2362962Investigation of the relationship between air pollution and gestational diabetesSima Nazarpour0Afshin Shokati Poursani1Maryam Mousavi2Fahimeh Ramezani Tehrani3Samira Behboudi-Gandevani4Reproductive Endocrinology Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, IranDepartment of Chemical Engineering - Health, Safety &amp; Environment, Najafabad Branch, Islamic Azad University, Najafabad, IranReproductive Endocrinology Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, IranReproductive Endocrinology Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, IranFaculty of Nursing and Health Sciences, NORD University, Bodø, NorwayBackground Gestational diabetes mellitus (GDM) can have negative effects on both the pregnancy and perinatal outcomes, as well as the long-term health of the mother and the child. It has been suggested that exposure to air pollution may increase the risk of developing GDM. This study investigated the relationship between exposure to air pollutants with gestational diabetes.Methods The present study is a retrospective cohort study. We used data from a randomised community trial conducted between September 2016 and January 2019 in Iran. During this period, data on air pollutant levels of five cities investigated in the original study, including 6090 pregnant women, were available. Concentrations of ozone (O3), nitric oxide (NO), nitrogen dioxide (NO2), nitrogen oxides (NOx), sulphur dioxide (SO2), carbon monoxide (CO), particulate matter < 2.5 (PM2.5) or <10 μm (PM10) were obtained from air pollution monitoring stations. Exposure to air pollutants during the three months preceding pregnancy and the first, second and third trimesters of pregnancy for each participant was estimated. The odds ratio was calculated based on logistic regression in three adjusted models considering different confounders. Only results that had a p < .05 were considered statistically significant.Results None of the logistic regression models showed any statistically significant relationship between the exposure to any of the pollutants and GDM at different time points (before pregnancy, in the first, second and third trimesters of pregnancy and 12 months in total) (p > .05). Also, none of the adjusted logistic regression models showed any significant association between PM10 exposure and GDM risk at all different time points after adjusting for various confounders (p > .05).Conclusions This study found no association between GDM risk and exposure to various air pollutants before and during the different trimesters of pregnancy. This result should be interpreted cautiously due to the lack of considering all of the potential confounders.https://www.tandfonline.com/doi/10.1080/01443615.2024.2362962Gestational diabetespollutantair pollutionPM2.5PM10
spellingShingle Sima Nazarpour
Afshin Shokati Poursani
Maryam Mousavi
Fahimeh Ramezani Tehrani
Samira Behboudi-Gandevani
Investigation of the relationship between air pollution and gestational diabetes
Journal of Obstetrics and Gynaecology
Gestational diabetes
pollutant
air pollution
PM2.5
PM10
title Investigation of the relationship between air pollution and gestational diabetes
title_full Investigation of the relationship between air pollution and gestational diabetes
title_fullStr Investigation of the relationship between air pollution and gestational diabetes
title_full_unstemmed Investigation of the relationship between air pollution and gestational diabetes
title_short Investigation of the relationship between air pollution and gestational diabetes
title_sort investigation of the relationship between air pollution and gestational diabetes
topic Gestational diabetes
pollutant
air pollution
PM2.5
PM10
url https://www.tandfonline.com/doi/10.1080/01443615.2024.2362962
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AT maryammousavi investigationoftherelationshipbetweenairpollutionandgestationaldiabetes
AT fahimehramezanitehrani investigationoftherelationshipbetweenairpollutionandgestationaldiabetes
AT samirabehboudigandevani investigationoftherelationshipbetweenairpollutionandgestationaldiabetes