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Climate Change and Pregnancy Outcomes: A Systematic Approach to Reviewing the Data
Caroline B Braun1, Sonja A Rasmussen2, Denise J Jamieson3
1Department of Obstetrics and Gynecology, Oregon Health and Science University, Portland, Oregon, USA.
Climate change negatively impacts pregnant individuals and newborns through various pathways. Further research is needed to fully understand these climate change health effects.
Area of Science:
- Environmental Health
- Reproductive Health
- Neonatal Health
Background:
- Growing evidence links climate change to adverse human health outcomes.
- The World Health Organization (WHO) identified six key exposure pathways: extreme weather, heat stress, air quality, food, water, and vector ecology.
- This study focuses on the health impacts of these pathways on pregnant persons and neonates.
Purpose of the Study:
- To evaluate climate change-related health effects on pregnant individuals and newborns.
- To assess impacts across six identified WHO climate change exposure pathways.
- To synthesize existing evidence on climate change and maternal-neonatal health.
Main Methods:
- PubMed searches were conducted, tailored to each WHO climate change pathway.
- Systematic reviews were prioritized for heat stress, air quality, food, and vector pathways.
- Broader quantitative study parameters were included for extreme weather and water pathways.
Main Results:
- Heat stress, air quality, and vector distribution are linked to adverse maternal and neonatal outcomes.
- Evidence also suggests harmful effects from extreme weather, food, and water pathways, though less conclusive.
- Specific adverse outcomes for pregnant persons and neonates were identified.
Conclusions:
- Climate change poses detrimental risks to the health of pregnant persons and neonates.
- Additional research is necessary to fully elucidate the mechanisms of climate change impact.
- Understanding these effects is crucial for public health interventions and policy development.
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