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Mild gestational hyperglycemia, the metabolic syndrome and adverse neonatal outcomes
Simona Bo1, Guido Menato, Marie-Laure Gallo
1Department of Internal Medicine, University of Turin, Turin, Italy. sbo@molinette.piemonte.it
Background:
The aim of this study was to evaluate the prevalence of the metabolic syndrome and its effect on neonatal outcomes in pregnancies with different degrees of hyperglycemia.
Methods:
One hundred and fifty women with gestational diabetes, 100 with one abnormal value on the oral glucose tolerance test, 100 with a normal oral glucose challenge test and 350 with an abnormal challenge test and normal tolerance test were enrolled.
Results:
The prevalence of the metabolic syndrome was: 0%, 4.9%, 20% and 18% in the normal challenge test, abnormal challenge and normal tolerance test, one abnormal value and gestational diabetes patients, respectively. Offspring birth weights, prevalence of large-for-gestational age babies and icterus were significantly higher in women with an abnormal challenge test (both with a normal tolerance test or one abnormal value or gestational diabetes). Metabolic syndrome was the best predictor of the presence of large-for-gestational age babies in patients with an abnormal challenge and normal tolerance test (OR = 3.15), one abnormal value (OR = 3.53) and gestational diabetes (OR = 4.15).
Conclusions:
Metabolic syndrome in mid-pregnancy was an independent predictor of macrosomia in women with any degree of gestational hyperglycemia; the oral glucose challenge test identifies pregnancies with metabolic abnormalities and adverse neonatal outcomes also in the presence of a normal oral glucose tolerance test.
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