| Continuous Glucose Profiles in Obese and Normal-Weight Pregnant Women on a Controlled Diet: Metabolic determinants of fetal growth. | |
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MedLine Citation:
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PMID: 21775754 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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OBJECTIVE We sought to define 24-h glycemia in normal-weight and obese pregnant women using continuous glucose monitoring (CGM) while they consumed a habitual and controlled diet both early and late in pregnancy. RESEARCH DESIGN AND METHODS Glycemia was prospectively measured in early (15.7 ± 2.0 weeks' gestation) and late (27.7 ± 1.7 weeks' gestation) pregnancy in normal-weight (n = 22) and obese (n = 16) pregnant women on an ad libitum and controlled diet. Fasting glucose, triglycerides (early pregnancy only), nonesterified fatty acids (FFAs), and insulin also were measured. RESULTS The 24-h glucose area under the curve was higher in obese women than in normal-weight women both early and late in pregnancy despite controlled diets. Nearly all fasting and postprandial glycemic parameters were higher in the obese women later in pregnancy, as were fasting insulin, triglycerides, and FFAs. Infants born to obese mothers had greater adiposity. Maternal BMI (r = 0.55, P = 0.01), late average daytime glucose (r = 0.48, P < 0.05), and late fasting insulin (r = 0.49, P < 0.05) correlated with infant percentage body fat. However, early fasting triglycerides (r = 0.67, P < 0.001) and late fasting FFAs (r = 0.54, P < 0.01) were even stronger correlates. CONCLUSIONS This is the first study to demonstrate that obese women without diabetes have higher daytime and nocturnal glucose profiles than normal-weight women despite a controlled diet both early and late in gestation. Body fat in infants, not birth weight, was related to maternal BMI, glucose, insulin, and FFAs, but triglycerides were the strongest predictor. These metabolic findings may explain higher rates of infant macrosomia in obese women, which might be targeted in trials to prevent excess fetal growth. |
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Authors:
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Kristin A Harmon; Lori Gerard; Dalan R Jensen; Elizabeth H Kealey; Teri L Hernandez; Melanie S Reece; Linda A Barbour; Daniel H Bessesen |
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Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-7-20 |
Journal Detail:
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Title: Diabetes care Volume: - ISSN: 1935-5548 ISO Abbreviation: - Publication Date: 2011 Jul |
Date Detail:
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Created Date: 2011-7-21 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 7805975 Medline TA: Diabetes Care Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Department of Medicine, Division of Endocrinology, Metabolism, and Diabetes, University of Colorado Denver, Aurora, Colorado. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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