Hot weather can cause a spike in the number of babies being born early, a phenomenon that may harm infant health and is likely to get worse as temperatures climb due to climate change, scientists said Monday.
Researchers in California said an average of 25,000 children were born up to two weeks early during warmer than average periods in the United States between 1969-1988 — equivalent to 150,000 lost gestational days annually.
While it is not certain why mothers appear to go into labour early as the mercury climbs, the authors of the study published in Nature Research Journals said premature births was an issue to be taken seriously.
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