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在四个欧洲国家,对三个月内多种热量指标和不良分娩结果的特定暴露

Mian Bao¹, Federica Nobile², Michalis Koureas³

¹Division of Clinical Epidemiology, Department of Medicine, Solna, Karolinska Institutet, Stockholm, Sweden.

Environmental research

|February 25, 2026

概括

怀孕期间的极端高温,特别是在第三个三个月,显著增加了早产和死产的风险. 这些发现突出了平均空气温度作为欧洲热量相关怀孕风险的有用指标.

科学领域:

环境流行病学环境流行病学
围产期健康围产期健康
气候变化影响气候变化影响

背景情况:

异常的热量事件对孕妇和胎儿构成越来越大的风险.
有限的研究已经探索了三个月特定的热量对围产期结果的影响,并比较了各种热量指标.

研究的目的:

调查多个热量指标和不良围产期结局之间的三个月特定关联.
检查欧洲国家和热量指标之间的热暴露效应的潜在差异.

主要方法:

利用欧洲登记处 (瑞典,比利时,意大利,希腊) 的单独出生数据.
用于2米空气温度,UTCI,WBGT和热量指数的ERA5再分析数据.
应用了考克斯的比例危险模型和元分析来评估与早产,死产,SGA和LGA的关联.

主要成果:

在第三个三个月内,平均体温的75至99百分点增加与早产 (HR=1.51),死产 (HR=1.54),SGA (HR=1.16) 和LGA (HR=1.12) 的更高风险有关.
在每个季度的不同热量指标和国家中发现了类似的关联.
第三个三个月出现了脆弱性的关键窗口.

结论:

第三个三个月的热量暴露是产生不良围产期结果的重要风险因素.
平均空气温度是评估欧洲与热有关的怀孕风险的可靠指标.
公共卫生战略应考虑在怀孕期间减轻热量,特别是在第三个三个月.

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