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Weight Gain During Pregnancy May Increase Likelihood o

A story in the New York Times’ Well blog says that women who gain less weight during pregnancy are less likely to give birth to a boy. A study published in PLOS One looked at 68 million births over a 23-year period, finding that women who gained 40 pounds during pregnancy birthed 52.5 percent boys, and women who added 60 pounds gave birth to 54 percent boys. While the causes are unknown, researchers suggested that this may have to do with the higher metabolic rate seen in males.

Read the article published in The New York Times’ Well blog.

Read the study published in PLOS One.