women weight loss surgery might help kids

An overweight woman who has weight loss surgery before becoming pregnant may help break the cycle of obesity in her family, according to a new study.

Researchers found that children born to women who had weight loss surgery before pregnancy have improved heart health and a lower risk of obesity compared with their siblings who were born before the mother had surgery. The study was published last week in the Journal of Clinical Endocrinology & Metabolism.

Previous research shows a woman’s weight and her tendency to develop diabetes and heart disease can influence the long-term health of her fetus, predisposing the child to metabolic problems related to obesity. Obese young women who are planning to have children someday should try to lose weight through weight loss surgery or behavioral changes, said the lead investigator, Dr. John Kral, a professor of surgery and medicine at the State University of New York, Downstate Medical Center, Brooklyn.

“Any obese mother or any mother gaining excessive weight during pregnancy puts her child at great risk,” Kral says. “It’s such a dramatic and substantial risk on so many levels. However, the prevalence of obesity in the children in our post-maternal surgery group was normal.”

The researchers studied 49 women who had undergone weight loss surgery and their 111 children, who were ages 2 to 25. About half of the women had given birth before the surgery and again after. The other women gave birth either before or after surgery.

The study showed that the children born after their mother’s surgery had reduced birth weight and waist circumference and were three times less likely to become severely obese compared with siblings born before the surgery. These children also had improved cardiovascular markers, such as reduced insulin resistance and lower cholesterol and inflammation.

Some women, and even their doctors, worry that having weight loss surgery before pregnancy may result in fetal malnutrition. But that is not the case, Kral says.

For women especially, the time to target weight loss efforts is puberty, he says.

“The prevailing attitudes are still suspicious,” he says. “But it’s time for pediatricians and obstetricians not to sit on their hands anymore and say ‘obesity is going to go away. We’ll wait until they’re mature and take care of it then.’ When everything else has failed — the proper education, exercise and diet — then you go to the next level of aggressiveness.”

Earlier this year, the Institute of Medicine released updated guidelines that stress the importance of proper weight for young women and place limits on pregnancy weight gain. Obese pregnant women (body mass index of 30 or greater) are advised to gain 11 to 20 pounds.

Read the rest of the original article as published by the Los Angeles Times

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