SynthesisEnvironmental health : a global access science source2022
Acute association between heatwaves and stillbirth in six US states.
Synthesis in Environmental health : a global access science source, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers, 1 of them a synthesis that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.
Who cites it
12 citing papers in PubMed, 1 synthesis or guideline pooled it, 24 citations in OpenAlex.
- The global burden of climate-sensitive health impacts: a systematic review of mortality, morbidity, and economic costs.The Pan African medical journal · 2026Pooled it
- Association between ambient temperature exposure and pregnancy outcomes in participants undergoing IVF: a retrospective cohort study.Journal of assisted reproduction and genetics · 2026Article
- Maternal exposure to high ambient temperature and risk of stillbirth in South Australia: a statewide cohort study, 2000-2021.International journal of biometeorology · 2026Article
- Temperature and sex ratios at birth.Proceedings of the National Academy of Sciences of the United States of America · 2026Article
- Temperature extremes and stillbirth risk in Bihar, India: a panel data analysis, 2009-2019.BMC pregnancy and childbirth · 2026Article
- Extreme temperature events exposure and risks of stillbirths: nationwide large birth cohort study in China.Environment international · 2025Article
- Identifying county-level effect modifiers of the association between heat waves and preterm birth using a Bayesian spatial meta regression approach.medRxiv : the preprint server for health sciences · 2025Article
- Heat Waves and Early Birth: Exploring Vulnerability by Individual- and Area-Level Factors.GeoHealth · 2025Article
- The association of short-term increases in ambient PM2.5 and temperature exposures with stillbirth: racial/ethnic disparities among Medicaid recipients.American journal of epidemiology · 2024Article
- Health of singleton neonates in Switzerland through time and crises: a cross-sectional study at the population level, 2007-2022.BMC pregnancy and childbirth · 2024Article
- Synergic effects of PMJournal of exposure science & environmental epidemiology · 2023Article
- Adverse effects of temperature on perinatal and pregnancy outcomes: methodological challenges and knowledge gaps.Frontiers in public health · 2023Review
Corrections and comments
PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.
Authors and funding
8 authors at 4 institutions in 1 country.
Funding
Abstract
backgroundHeatwaves are becoming more frequent and may acutely increase the risk of stillbirth, a rare and severe pregnancy outcome.
objectivesExamine the association between multiple heatwave metrics and stillbirth in six U.S. states.
methodsData were collected from fetal death and birth records in California (1996-2017), Florida (1991-2017), Georgia (1994-2017), Kansas (1991-2017), New Jersey (1991-2015), and Oregon (1991-2017). Cases were matched to controls 1:4 based on maternal race/ethnicity, maternal education, and county, and exposure windows were aligned (gestational week prior to stillbirth). County-level temperature data were obtained from Daymet and linked to cases and controls by residential county and the exposure window. Five heatwave metrics (1 categorical, 3 dichotomous, 1 continuous) were created using different combinations of the duration and intensity of hot days (mean daily temperature exceeding the county-specific 97.5
resultsIn our data set of 140,428 stillbirths (553,928 live birth controls), three of the five heatwave metrics examined were not associated with stillbirth. However, four consecutive hot days during the previous week was associated with a 3% increase in stillbirth risk (CI: 1.01, 1.06), and a 1 °C average increase over the threshold was associated with a 10% increase in stillbirth risk (CI: 1.04, 1.17). In continuous temperature analyses, there was a slight increased risk of stillbirth associated with extremely hot temperatures (≥ 35 °C). DISCUSSION: Most heat wave definitions examined were not associated with acute changes in stillbirth risk; however, the most extreme heatwave durations and temperatures were associated with a modest increase in stillbirth risk.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.