GSTDTAP  > 资源环境科学
DOI10.1289/EHP4648
Ambient Temperature and Markers of Fetal Growth: A Retrospective Observational Study of 29 Million US Singleton Births
Sun, Shengzhi1; Spangler, Keith R.1,2; Weinberger, Kate R.1; Yanosky, Jeff D.3; Braun, Joseph M.1; Wellenius, Gregory A.1
2019-06-01
发表期刊ENVIRONMENTAL HEALTH PERSPECTIVES
ISSN0091-6765
EISSN1552-9924
出版年2019
卷号127期号:6
文章类型Article
语种英语
国家USA
英文摘要

BACKGROUND: Emerging studies suggest that ambient temperature during pregnancy may be associated with fetal growth, but the existing evidence is limited and inconsistent.


OBJECTIVES: We aimed to evaluate the association of trimester-specific temperature with risk of being born small for gestational age (SGA) and birth weight-markers of fetal growth-among term births in the contiguous United States.


METHODS: We included data on 29,597,735 live singleton births between 1989 and 2002 across 403 U.S. counties. We estimated daily county-level population-weighted mean temperature using a spatially refined gridded climate data set. We used logistic regression to estimate the association between trimester-specific temperature and risk of SGA and linear regression to evaluate the association between trimester-specific temperature and term birth weight z-score, adjusting for parity, maternal demographics, smoking or drinking during pregnancy, chronic hypertension, and year and month of conception. We then pooled results overall and by geographic regions and climate zones.


REstrurs: High ambient temperatures (>90th percentile) during the entire pregnancy were associated with higher risk of term SGA (odds ratio [OR] = 1.041 [95% confidence interval (CI): 1.029, 1.054] ) and lower term birth weight [standardized to -15 g (95% CI: -17 g, -13 g) reduction in birth weight for infants born at 40 weeks of gestation]. Low temperatures (<10th percentile) during the entire pregnancy were not associated with SGA [OR = 1.003 (95% CI: 0.991, 1.015)] but were associated with a small decrement in term birth weight [standardized to -6 g (95% CI: -8 g, -4 g)]. Risks of term SGA and birth weight were more strongly associated with temperature averaged across the second and third trimesters, in areas the Northeast, and in areas with cold or very cold climates.


CONCLUSIONS: Above-average temperatures during pregnancy were associated with lower fetal growth. Our findings provide evidence that temperature may be a novel risk factor for reduced fetal growth.


领域资源环境
收录类别SCI-E ; SSCI
WOS记录号WOS:000474528700009
WOS关键词AIR-POLLUTION ; RESIDENTIAL-MOBILITY ; CLIMATE-CHANGE ; PRETERM BIRTH ; GESTATIONAL-AGE ; RISK-FACTORS ; HEAT-STRESS ; WEIGHT ; EXPOSURE ; OUTCOMES
WOS类目Environmental Sciences ; Public, Environmental & Occupational Health ; Toxicology
WOS研究方向Environmental Sciences & Ecology ; Public, Environmental & Occupational Health ; Toxicology
引用统计
文献类型期刊论文
条目标识符http://119.78.100.173/C666/handle/2XK7JSWQ/183722
专题资源环境科学
作者单位1.Brown Univ, Sch Publ Hlth, Dept Epidemiol, 121 S Main St,Box G-S 121, Providence, RI 02912 USA;
2.Brown Univ, Dept Earth Environm & Planetary Sci, Providence, RI 02912 USA;
3.Penn State Univ, Coll Med, Div Epidemiol, Dept Publ Hlth Sci, Hershey, PA USA
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GB/T 7714
Sun, Shengzhi,Spangler, Keith R.,Weinberger, Kate R.,et al. Ambient Temperature and Markers of Fetal Growth: A Retrospective Observational Study of 29 Million US Singleton Births[J]. ENVIRONMENTAL HEALTH PERSPECTIVES,2019,127(6).
APA Sun, Shengzhi,Spangler, Keith R.,Weinberger, Kate R.,Yanosky, Jeff D.,Braun, Joseph M.,&Wellenius, Gregory A..(2019).Ambient Temperature and Markers of Fetal Growth: A Retrospective Observational Study of 29 Million US Singleton Births.ENVIRONMENTAL HEALTH PERSPECTIVES,127(6).
MLA Sun, Shengzhi,et al."Ambient Temperature and Markers of Fetal Growth: A Retrospective Observational Study of 29 Million US Singleton Births".ENVIRONMENTAL HEALTH PERSPECTIVES 127.6(2019).
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