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Standard pregnancy weight can lead to overweight toddlers


Posted by AregM

The standard advice for how much weight a woman should gain during pregnancy may need to change, according to a rigorous and provocative study suggesting that even accepted weight gains may raise the risk of having an overweight toddler. Women in the study who gained the recommended amount of weight ran four times the risk of having a child who was overweight at age 3, compared with women who gained less than the advised amount. The outcome was about the same for women who gained more than the advisable amount. So what's a pregnant woman to do? Clearly, she shouldn't gain more weight than recommended, said the study's lead author, Dr. Emily Oken of Harvard Medical School. But beyond that, it's too early to say whether women should try to gain less than the standards call for or shoot for the low end of the recommended range, Oken said. At least the latter course is probably safe, she said. Some other experts urged that pregnant women not try to gain less weight than recommended. Too soon to revise guidelines In any case, Oken said, it's too soon to call for a revision of the standard guidelines. The study appears in the April issue of the American Journal of Obstetrics & Gynecology. It focuses on guidelines issued in 1990 by the Institute of Medicine, a private non-governmental organization that advises the federal government. The guidelines recommend differing amounts of weight gain depending on how much a woman weighed before pregnancy, as measured by a combination of her height and weight called the body-mass index. Those with a "normal" BMI are encouraged to gain 25 to 35 pounds, for example. Women with a higher BMI, meaning they are heavier at a given height, get lower targets, while women with a lower BMI are given a higher range. The new work looked at 1,044 pairs of mothers and their 3-year-olds. It compared how much weight the mother had gained during pregnancy with the BMI of their children. It defined "overweight" in the 3-year-olds as having a body-mass index greater than 95 percent of children of the same age and sex. ....Continued on http://www.cnn.com/2007/HEALTH/diet.fitness/04/02/diet.pregnancy.weight.ap/index.html
 
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