Weight Loss Surgery in mothers leaves babies healthier?
09/09/2009
Study suggests the womb may be key to breaking cycle of fat, diabetes
"Obese women who manage to shed excess pounds before becoming pregnant may be able to break the cycle of inherited weight problems and pass along better health to their children, a new study shows.
Researchers found that children were less likely to become obese if their mothers lost significant weight through obesity surgery before becoming pregnant, according to an upcoming study in the Journal of Clinical Endocrinology & Metabolism. The children with the surgically slimmed mothers also looked to have a lower risk of heart disease and diabetes.
âWeâve shown that when the mother loses weight prior to becoming pregnant, the kid does not become obese,â said Dr. John Kral, study co-author and a professor of surgery and medicine at the State University of New York Downstate Medical Center in Brooklyn.
Other studies have shown that obese moms are more likely than slim women to have obese children, Kral said.
And the health risks associated with obesity are well-documented for both moms and babies, said Dr. Dominic Marchiano, an assistant professor of obstetrics and gynecology at Pennsylvania Hospital in Philadelphia.
But until now, it was unclear exactly how to break the cycle.
Steeped in sugary womb
The
new results shift some of the blame for childhood obesity from genes
and the home environment to the conditions a fetus encounters as it
matures in the womb.
Factors in the uterus might affect how a kidâs genes function later on, Kral said. For example, obese mothers often have blood sugar levels that are too high.
âAnd that can leave the kid marinating in sugar as he develops,â Kral said âBut itâs not only that. There are many other substances in the amniotic fluid of an obese woman that can affect the developing offspring.â
Kral and his colleagues studied 111 children from Quebec City, some of whom were conceived before and some after their moms had weight-loss surgery. The kids ranged in age from 2 to 26.
The 49 moms in the study had a procedure called biliopancreatic diversion, or BPD.
That surgery directs food to bypass part of the small intestine and also makes the stomach a little smaller. The resulting weight loss is mainly due to the fact that people absorb fewer calories, Kral said, adding that studies have shown that people with BPD continue to eat significantly more than people who are naturally lean. This suggests that what the moms ate later on, during their babiesâ childhoods, wasnât the difference; instead, it was likely their actual weight loss.
The women in the study had lost an average of 36 percent of their body weight and had kept the weight off for about 12 years. They also had experienced improvement in their cholesterol and blood sugar levels.
Kral and his colleagues counseled the women to hold off on conceiving until they had achieved their desired body weight. When the women did become pregnant, they were given supplements to make sure that their babies didnât miss any important nutrients, Kral said.
Healthier babies
When
the researchers compared children conceived before and after a momâs
weight loss surgery, they found startling results: post-surgery babies
were smaller, though not underweight, and they were three times less
likely to become severely obese as they grew up.
The children born to thinner moms also appeared to be healthier overall, with lower insulin resistance and cholesterol levels, signs of a reduced risk of diabetes and heart disease.
And these results were the same when the researchers limited their analysis to children who were siblings: 25 of the 49 moms had children born both before and after their surgeries.
What was most striking, Kral said, was that you could break a familyâs cycle of obesity by getting the mom to lose weight.
Further, Kral said, it really doesnât matter how the moms drop the pounds. The results are expected to be the same if a mom loses weight through dieting instead of surgery.
These new results may give those contemplating pregnancy another incentive to slim down, Marchiano said. âWe always recommend that women lose weight prior to conception â but not while they are pregnant,â he added. âThis may help with motivation as women think about the weight destiny of their children.â
URL: http://www.msnbc.msn.com/id/32692882/ns/health-diabetes/
I especially like the visual of the fetus marinating in sugar.
I'm actually an experiment in progress, with three pre-WLS babies and one post WLS baby.
Does the post WLS kid stand a better chance of not becoming obese? Environment be damned, will she be better off than the first three? I do wonder sometimes.
My post WLS child didn't marinate in sugar, in fact, I was seriously hypoglycemic throughout her development. I actually wondered if she would be negatively effected due to my health post WLS. For a while, I thought she might be born with some type of abnormality, either from the constant hypoglycemia, anemia or another vitamin issue. She, of course, is now nearly three and fine, but I did wonder!