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publicado em 28/02/2010 às 17h00:00
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Twice as many women will be diagnosed with gestational diabetes

Levels of blood sugar once considered normal are considered safer for the baby and the mother

 
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Patient undergoes ultrasound examination during prenatal care
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Patient undergoes ultrasound examination during prenatal care

Two to three times more pregnant women may soon be diagnosed and treated for gestational diabetes, based on new measurements for determining risky blood sugar levels for the mother and her unborn baby, according to a study that was coordinated by investigators at Northwestern University Feinberg School of Medicine.

" As result of this study, more than 16 percent of the entire population of pregnant women qualified as having gestational diabetes," said lead author Boyd Metzger, M.D., the Tom D. Spies Professor of Metabolism and Nutrition at Feinberg and a physician at Northwestern Memorial Hospital. " Before, between 5 to 8 percent of pregnant women were diagnosed with this."

Blood sugar levels that were once considered in the normal range are now seen as causing a sharp increase in the occurrence of overweight babies with high insulin levels, early deliveries, cesarean section deliveries and potentially life-threatening preeclampsia, a condition in which the mother has high blood pressure that affects her and the baby.

Large babies, the result of fat accumulation, are defined as weighing in the upper 10 percent of babies in a particular ethnic group. Because large babies increase the risk of injury during vaginal delivery, many of the women in the study were more likely to have a cesarean section.

Previous guidelines to diagnose gestational diabetes were based on blood sugar levels that identified women at high risk for developing diabetes in the future. The guidelines weren' t related to risks to the baby or other risks to the mother.

The good news, Metzger noted, is recent studies show women with mild gestational diabetes, who were treated with lifestyle and diet changes as well as blood sugar monitoring, greatly reduced their risk of complications. As a result of treatment, the women had smaller babies, fewer cesarean deliveries and less preeclampsia, Metzger said.

The group of international experts in gestational diabetes spent almost two years determining how to apply findings from a 2008 study, also led by Metzger, that found a much lower level of a pregnant woman's blood sugar than previously believed increased the risk of serious complications.

The researchers set their new diagnosis and treatment criteria by determining the blood sugar level that nearly doubled the risks to the baby and mother.

" Our research represents an examination of risks and a consensus about how high a level the risk needs to reach before a diagnosis should be made and treatment should be considered," Metzger said.

Source: Isaude.net
   Palavras-chave:   Gestational diabetes    Blood sugar    Pre-eclampsia    Boyd Metzger    Northwestern University   
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