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Association between maximum temperature and PM(2.5) with pregnancy outcomes in Lima, Peru.

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dc.contributor.author Tapia Aguirre, Vilma Lucrecia
dc.contributor.author Vasquez Apéstegui, Bertha Vanessa
dc.contributor.author Alcántara Zapata, Diana Elizabeth
dc.contributor.author Vu, Bryan
dc.contributor.author Steenland, Kyle
dc.contributor.author Gonzales Rengifo, Gustavo Francisco
dc.date.accessioned 2022-02-01T21:18:29Z
dc.date.available 2022-02-01T21:18:29Z
dc.date.issued 2021
dc.identifier.uri https://hdl.handle.net/20.500.12866/11338
dc.description.abstract BACKGROUND: We have previously documented an inverse relationship between PM(2.5) in Lima, Peru, and reproductive outcomes. Here, we investigate the effect of temperature on birth weight, birth weight-Z-score adjusted for gestational age, low birth weight, and preterm birth. We also explore interactions between PM(2.5) and temperature. METHODS: We studied 123,034 singleton births in three public hospitals of Lima with temperature and PM(2.5) during gestation between 2012 and 2016. We used linear, logistic, and Cox regression to estimate associations between temperature during gestation and birth outcomes and explored possible modification of the temperature effect by PM(2.5). RESULTS: Exposure to maximum temperature in the last trimester was inversely associated with both birth weight [β: -23.7; 95% confidence interval [CI]: -28.0, -19.5] and z-score weight-for-gestational-age (β: -0.024; 95% CI: -0.029, -0.020) with an interquartile range of 5.32 °C. There was also an increased risk of preterm birth with higher temperature (interquartile range) in the first trimester (hazard ratio: 1.04; 95% CI: 1.001, 1.070). The effect of temperature on birthweight was primarily seen at higher PM(2.5) levels. There were no statistically significant associations between temperature exposure with low birth weight. CONCLUSIONS: Exposition to maximum temperature was associated with lower birth weight and z-score weight-for-gestational-age and higher risk of preterm birth, in accordance with much of the literature. The effects on birth weight were seen only in the third trimester en_US
dc.language.iso eng
dc.publisher Wolters Kluwer Health
dc.relation.ispartofseries Environmental Epidemiology
dc.rights info:eu-repo/semantics/restrictedAccess
dc.rights.uri https://creativecommons.org/licenses/by-nc-nd/4.0/deed.es
dc.subject Pregnancy en_US
dc.subject Birth weight en_US
dc.subject Preterm birth en_US
dc.subject Heat en_US
dc.subject High temperature en_US
dc.title Association between maximum temperature and PM(2.5) with pregnancy outcomes in Lima, Peru. en_US
dc.type info:eu-repo/semantics/article
dc.identifier.doi https://doi.org/10.1097/EE9.0000000000000179
dc.relation.issn 2474-7882


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