Baby's Gender May Influence Mom's Diabetes Risk

Baby's Gender May Influence Mom's Diabetes Risk

Baby's Gender May Influence Mom's Diabetes Risk

Carrying sons linked to gestational diabetes, girls to later type 2 risk, researchers say

SOURCE: Journal of Clinical Endocrinology & Metabolism, news release, May 20, 2015

WEDNESDAY, May 20, 2015 (HealthDay News) -- A baby's gender appears to affect a mother's risk for diabetes during pregnancy -- called gestational diabetes -- and type 2 diabetes after pregnancy, a new study suggests.

Researchers reviewed data from nearly 643,000 women in Canada. The women had their first child between 2000 and 2010.

Women who were carrying a son were more likely to develop gestational diabetes, the researchers said.

The study was published May 20 in the Journal of Clinical Endocrinology & Metabolism. While it found a link between a baby's gender and a mother's risk of diabetes, the study wasn't designed to prove cause-and-effect.

"It is thought that gestational diabetes occurs because of a combination of underlying metabolic abnormalities in the mother and temporary metabolic changes that take place during pregnancy," study author Dr. Baiju Shah, of the University of Toronto, Sunnybrook Health Sciences Centre and the Institute for Clinical Evaluative Sciences in Toronto, said in a journal news release.

"Our findings suggest a male fetus leads to greater pregnancy-associated metabolic changes than a female fetus does," Shah added.

But, women who developed gestational diabetes while pregnant with a daughter had a higher risk of developing type 2 diabetes after pregnancy. The researchers said this suggests these women had more serious underlying health issues that increased their susceptibility to gestational diabetes, and later to type 2 diabetes.

"Public health programs often focus on how a pregnant mother's health, behavior and physiology can impact the health of her baby. This study, however, suggests that the baby can help us better understand the health of the mother, and can help us predict her risks for future diseases," Shah said.

Up to 9 percent of pregnant women develop gestational diabetes, according to the U.S. Centers for Disease Control and Prevention.

More information

The U.S. Centers for Disease Control and Prevention has more about gestational diabetes.

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