https://www.sciencedaily.com/releases/2014/05/140513132709.htm
A new study is the first to show that premature aging of the placenta due to oxidative stress is the cause of many preterm births.
of manypremature agingcausepretermbirths
https://www.weforum.org/stories/2020/02/gambias-labouring-farmers-premature-births/
As climate change brings more heat extremes, researchers are tracking the risks facing Gambia's pregnant farmers and their babies.
this iswe canlearngambiarising
https://kffhealthnews.org/news/u-s-lowering-rate-of-premature-births-but-slowly/
The United States is slowly reducing its rate of premature births, bringing the rate to 11.7 percent in 2011, but the figure is still higher than public health...
u spremature birthsloweringrateslowly
https://www.futurity.org/wildfire-smoke-premature-births-2617742/
Wildfire smoke may have contributed to as many as 7,000 extra preterm births in California, a new study shows. "There's no safe level of exposure."
premature birthswildfiresmokeboostsrisk