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Maternal exposure to air pollution during pregnancy and cortisol level in cord blood
Abstract
Exposure to air pollution has been associated with disorders of the endocrine system and hypothalamic-pituitary-adrenal (HPA) axis; however, the available evidence on these associations is still scarce. This study aimed to investigate, for the first time, the association of exposure to PM 1 , PM 2.5 , and PM 10 , as well as traffic indicators (distance to major roads and total street length in different buffers around maternal residential address) during pregnancy with cortisol level in cord blood samples. This cross-sectional study was carried out based on 150 mother-newborn pairs in Sabzevar, Iran (2018). Land use regression models were applied to estimate air pollution exposure during the entire pregnancy at maternal residential addresses. Multiple linear regression models were applied to estimate the association of exposure to air pollution during pregnancy and cord blood cortisol levels, controlled for relevant covariates. There was a significant positive association between exposure to PM 2.5 and PM 10 and cortisol levels in cord blood (β = 2.55, 95% confidence intervals (CI) = 0.57, 4.52, P-value = 0.01, and β = 3.09, 95% CI: 1.28, 4.90, P-value 1 exposure were not statistically significant. Our findings suggest a direct association of exposure to air pollution during pregnancy and cortisol levels at cord blood.
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Gestational exposure to PM2.5 has a significant positive association with cortisol levels in cord blood.
“In a maternal cohort, Khamirchi et al. observed a significant positive association between gestational exposure to PM2.5 and cortisol levels in cord blood.”
From Air pollution and children’s health—a review of adverse effects associated with prenatal exposure from fine to ultrafine particulate matter (2021) · cites this paper as [201]
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Sorted by citations
Johnson, N. M., Hoffmann, A. R., Behlen, J. C., Lau, C., Pendleton, D., Harvey, N., Shore, R., Li, Y., Chen, J., Tian, Y., et al. (2021) · Environmental Health and Preventive Medicine · doi:10.1186/s12199-021-00995-5 · Cited by 339
“The association for PM1 exposure was not statistically significant [201].”
Background
Metadata
- Authors
- Khamirchi, R., Moslem, A., Agah, J., Pozo, Ó. J., Miri, M., & Dadvand, P.
- Affiliations
- Sabzevar University of Medical Sciences (IR)
- Hospital Del Mar (ES)
- Universitat Pompeu Fabra (ES)
- Corresponding author
- Miri, Mohammad
- Venue
- Science of The Total Environment
- Publisher
- Elsevier BV
- Published
- 2020-04
- Volume
- 713
- Pages
- 136622
- ISSN
- 0048-9697 (ISSN-L)
- OpenAlex
- W2999619425
- Cited by
- 38
- References
- 3
- Citations by year
- 2026: 5 · 2025: 1 · 2024: 5 · 2023: 3 · 2022: 7 · 2021: 9 · 2020: 8
- FWCI
- 2.71
- Type
- journal article
- Language
- en
- Open access
- closed
- Licence
- Locations
- The Science of The Total Environment (publishedVersion)
- PubMed (publishedVersion)
- Funders
- Instituto de Salud Carlos III
- Sabzevar University of Medical Sciences (97214, RYC-2012-10995)
- Topics
- Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Air Quality and Health Impacts
- Social Sciences › Sociology and Political Science › Environmental Justice and Health Disparities
- Physical Sciences › Environmental Science › Health, Toxicology and Mutagenesis › Health, Environment, Cognitive Aging
- Keywords
- prenatal air pollution exposure, PM2.5, PM10, PM1, traffic-related air pollution, street length, hypothalamic-pituitary-adrenal axis, maternal exposure, prenatal environmental exposure
- MeSH terms
- Air Pollutants, Air Pollution, Cross-Sectional Studies, Female, Fetal Blood, Humans, Hydrocortisone, Infant, Newborn, Iran, Pregnancy, Maternal Exposure, Particulate Matter
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