Researchers have identified local heat waves as a factor that can lead to an increased risk of preterm birth and stillbirth, according to a cohort study published in JAMA Network Open. Authors found a significant link between periods of high temperatures in some of the top metropolitan statistical areas in the United States and early deliveries. Looking at 53 million births from 1993 to 2017, they concluded that after 4 consecutive days of mean temperatures …
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