Home Health Parents News Now C-Section Birth May Raise Obesity Risk C-Section Birth May Raise Obesity Risk By Holly Lebowitz Rossi March 10, 2014 Advertisement Save Pin FB More Tweet Email Send Text Message Print shutterstock_127442756 30817 Researchers pooled data from 15 studies with a combined population of 142,702 for their analysis. The studies classified overweight as a body mass index of 25 or higher and obesity as 30 or higher, and covered various types of vaginal and cesarean deliveries. Compared with babies delivered vaginally, those delivered by C-section were 26 percent more likely to be overweight and 22 percent more likely to be obese. The type of vaginal or cesarean delivery — natural, forceps or vacuum extraction vaginal births, or pre-labor or in-labor cesarean deliveries — made no difference. The analysis, published in the February issue of PLOS One, included a large sample from 10 countries, which gives it considerable strength. At the same time, all studies were observational, and the authors write that further study would be required to establish a causal connection between birth method and adult B.M.I. "Of course if a C-section is needed for clinical reasons, you've got no choice," said one of the authors, Matthew J. Hyde, a research associate at Imperial College London. "But a woman cannot make a reasoned choice unless she's fully informed not only about the short-term outcomes, but also the long-term outcomes. We want to give you the data you need to make an informed decision." Image: C-section tools, via Shutterstock By Holly Lebowitz Rossi Save Pin FB More Tweet Email Send Text Message Print Comments Add a Comment Be the first to comment! No comments yet. Advertisement Close this dialog window Add a comment C-Section Birth May Raise Obesity Risk Add your comment... Cancel Submit Success! Thanks for adding your feedback.