Big baby might mean greater breast cancer risk for mom

  

July 17, 2012 (WLS) -- Big babies can be a burden for expectant moms. But there may be another price to pay after childbirth.

Researchers already knew having larger babies can mean increased risk of future breast cancer for mothers. Now a study in PLoS ONE may be the most definitive yet.

The new research finds those who delivered babies in the top 20 percent for weight -- at least 8.25 pounds -- were nearly three times more likely to develop breast cancer.

Why? Authors say hormonal changes associated with heavier babies may be responsible for the greater breast cancer risk.

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