"Genetic evidence for causal relationships between maternal obesity-related traits and birth we
"Women who are obese, overweight, or develop gestational diabetes are more likely to give birth to neonates that are larger for their gestational age. Yet, the mechanisms that explain associations between maternal risk factors and abnormal birth weight have not yet been delineated......"
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Source- http://www.2minutemedicine.com/genetic-evidence-for-causal-relationships-between-maternal-obesity-related-traits-and-birth-weight/
http://jama.jamanetwork.com/article.aspx?articleid=2503173
