New York: Kids born by Cesarean section are no more likely to become obese than if they are born vaginally, a new study concludes.Past research from Brazil had found a link between excessive poundage and C-sections, leading some scientists to suggest that not being exposed to bacteria from the birth canal could make babies fatter. But according to the latest findings, that doesn`t appear to be the case."We thought from the beginning that probably what happened with the previous study is that they didn`t adjust for all of the confounders," said Fernando Barros of the Catholic University of Pelotas. "If a mother gives birth by C-section, she`s different than a mother who has a vaginal birth."For the new research, Barros and his colleagues used data on three groups of several thousand people born in Southern Brazil in 1982, 1993 or 2004.Researchers contacted the kids at different ages until the oldest had turned 23. Those born by C-section were more likely to be heavy, with obesity rates between nine and 16 percent, compared to rates of seven to 10 percent among kids born vaginally.
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