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Robin Elise Weiss, LCCE

Cesarean Born Babies More Likely to be Obese

By May 24, 2012

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Cesarean Incision Scar- 6 days

A new study suggests that babies born via cesarean section are twice as likely to be obese as their vaginally born counter parts. This was true, even after accounting for what mom weighed, gestational age and breastfeeding. The theory is that the bacteria in the gut of a baby born via c-section is different than other babies.

What they found in another study was higher numbers of Firmicutes bacteria and lower numbers of Bacteroides bacteria in the intestines. It is also known that overweight and obese people tend to have higher numbers of the Firmicutes bacteria. Though this is only one theory for why these babies were at a higher risk of obesity.

The important take away here is that if you are considering an elective surgery, you may want to include this in the risk category, along with a higher rate of asthma and allergies for cesarean born babies, when trying to make your decision.


Susanna Y Huh, Sheryl L Rifas-Shiman, Chloe A Zera, Janet W Rich Edwards, Emily Oken, Scott T Weiss, Matthew W Gillman. Delivery by caesarean section and risk of obesity in preschool age children: a prospective cohort study. Archives of Disease in Childhood, 23 May 2012 DOI: 10.1136/archdischild-2011-301141

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