The burden of heatwave-related preterm births and associated human capital losses in China

Yali Zhang, Shakoor Hajat, Liang Zhao, Huiqi Chen, Liangliang Cheng, Meng Ren, Kuiying Gu, John S. Ji, Wannian Liang and Cunrui Huang ()
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Yali Zhang: Sun Yat-sen University
Shakoor Hajat: London School of Hygiene and Tropical Medicine
Liang Zhao: Chinese Academy of Sciences
Huiqi Chen: Sun Yat-sen University
Liangliang Cheng: Sun Yat-sen University
Meng Ren: Sun Yat-sen University
Kuiying Gu: Tsinghua University
John S. Ji: Tsinghua University
Wannian Liang: Tsinghua University
Cunrui Huang: Sun Yat-sen University

Nature Communications, 2022, vol. 13, issue 1, 1-8

Abstract: Abstract Frequent heatwaves under global warming can increase the risk of preterm birth (PTB), which in turn will affect physical health and human potential over the life course. However, what remains unknown is the extent to which anthropogenic climate change has contributed to such burdens. We combine health impact and economic assessment methods to comprehensively evaluate the entire heatwave-related PTB burden in dimensions of health, human capital and economic costs. Here, we show that during 2010-2020, an average of 13,262 (95%CI 6,962-18,802) PTBs occurred annually due to heatwave exposure in China. In simulated scenarios, 25.8% (95%CI 17.1%-34.5%) of heatwave-related PTBs per year on average can be attributed to anthropogenic climate change, which further result in substantial human capital losses, estimated at over $1 billion costs. Our findings will provide additional impetus for introducing more stringent climate mitigation policies and also call for more sufficient adaptations to reduce heatwave detriments to newborn.

Date: 2022
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DOI: 10.1038/s41467-022-35008-8

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