Ashton said it's not too soon for these and similar findings to influence practice.
"Certainly there should be some review and maybe recommendations from the American Congress of Obstetricians and Gynecologists as to where they think practice should change," Ashton said.
Data and conclusions presented at medical meetings should be viewed as preliminary until published in a peer-reviewed medical journal.
The U.S. National Library of Medicine has more about C-sections.
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