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Association of Prematurity and Low Birth Weight with Gestational Exposure to PM 2.5 and PM 10 Particulate Matter in Chileans Newborns

Author

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  • Alejandra Rodríguez-Fernández

    (Department of Nutrition and Public Health, Universidad del Bío-Bío, Chillán 3780000, Chile
    GABO, Grupo de Investigación en Auxología, Bioantropología y Ontogenia, FACSA, Universidad del Bío-Bío, Chillán 3780000, Chile)

  • Natalia Ramos-Castillo

    (FACSA, Universidad del Bío-Bío, Chillán 3780000, Chile)

  • Marcela Ruiz-De la Fuente

    (Department of Nutrition and Public Health, Universidad del Bío-Bío, Chillán 3780000, Chile
    GABO, Grupo de Investigación en Auxología, Bioantropología y Ontogenia, FACSA, Universidad del Bío-Bío, Chillán 3780000, Chile)

  • Julio Parra-Flores

    (Department of Nutrition and Public Health, Universidad del Bío-Bío, Chillán 3780000, Chile
    GABO, Grupo de Investigación en Auxología, Bioantropología y Ontogenia, FACSA, Universidad del Bío-Bío, Chillán 3780000, Chile)

  • Eduard Maury-Sintjago

    (Department of Nutrition and Public Health, Universidad del Bío-Bío, Chillán 3780000, Chile
    GABO, Grupo de Investigación en Auxología, Bioantropología y Ontogenia, FACSA, Universidad del Bío-Bío, Chillán 3780000, Chile
    FACSA, Universidad del Bío-Bío, Chillán 3780000, Chile)

Abstract

Fetal growth can be affected by gestational exposure to air pollution. The aim of the study was to determine the association between prematurity and low birth weight (LBW) with gestational exposure to PM 2.5 and PM 10 particulate matter in Chileans newborns. This cross-sectional analytical study included 595,369 newborns. Data were extracted from the live newborn records of the Chilean Ministry of Health. Sex, gestational age, birth weight, and living variables were analyzed. We used the Air Quality Information System of the Chilean Ministry of the Environment to obtain mean PM 2.5 and PM 10 emissions. A multivariate logistic regression model was performed with STATA 15.0 software at α < 0.05. Prevalence was 7.4% prematurity and 5.5% LBW. Mean PM 2.5 and PM 10 concentrations were 25.5 µg/m 3 and 55.3 µg/m 3 , respectively. PM 2.5 was associated with an increased the risk of LBW (OR: 1.031; 95%CI: 1.004–1.059) when exposure occurred in the second trimester, while PM 10 affected the whole pregnancy. In addition, PM 10 exposure in any gestational trimester was associated with an increased the risk of prematurity. The PM 10 particulate matter was associated with both prematurity and LBW in all of the trimesters of exposure. The PM 2.5 particulate matter was only associated with LBW when exposure occurred in the second gestational trimester.

Suggested Citation

  • Alejandra Rodríguez-Fernández & Natalia Ramos-Castillo & Marcela Ruiz-De la Fuente & Julio Parra-Flores & Eduard Maury-Sintjago, 2022. "Association of Prematurity and Low Birth Weight with Gestational Exposure to PM 2.5 and PM 10 Particulate Matter in Chileans Newborns," IJERPH, MDPI, vol. 19(10), pages 1-5, May.
    • Handle: RePEc:gam:jijerp:v:19:y:2022:i:10:p:6133-:d:818217
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    References listed on IDEAS

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    1. Cezary Wojtyla & Karolina Zielinska & Paulina Wojtyla-Buciora & Grzegorz Panek, 2020. "Prenatal Fine Particulate Matter (PM 2.5 ) Exposure and Pregnancy Outcomes—Analysis of Term Pregnancies in Poland," IJERPH, MDPI, vol. 17(16), pages 1-9, August.
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