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To compare the timing, duration, and severity of corticosteroid-associated hyperglycemia in pregnant women with and without diabetes mellitus (DM). An observational study was conducted of pregnant women with DM and controls who received corticosteroids. Median glucose levels were calculated over 4-hour intervals after the first dose of corticosteroid with a continuous glucose monitor. A glucose level increase of at least 15% above baseline was considered significant. Nine pregnant women participated in this study (six with DM and three without DM). Elevations of glucose levels occurred at hour 20, 44, and 68 in both groups and lasted for up to 4 hours. In those with DM, glucose levels increased 33 to 48%, whereas in those without DM, glucose levels rose 16 to 33%. Several, relatively short episodes of glucose elevation occur in response to corticosteroids, and are more pronounced in diabetic women. [ABSTRACT FROM AUTHOR]

The objective of this study was to compare the frequency of abnormal fetal growth in women with diabetes mellitus (DM) using population-based birth weight (pop BW) percentiles compared with customized birth weight (cust BW) percentiles, which include adjustments for maternal race, parity, height, weight, and fetal sex. The study design comprised a retrospective cohort of singleton DM pregnancies delivered over a 1-year period (June 2007 to May 2008) from a single tertiary care university-based medical center. Inclusion criteria were gestational age >20 weeks at delivery, live birth, and absence of major chromosomal/structural abnormalities. Small for gestational age (SGA), <10th percentile, and large for gestational age (LGA), >90th percentile pregnancies were categorized based on pop BW or cust BW standards. There were significant differences in the rates of SGA (p < 0.004) and LGA (p < 0.001) between cust BW and pop BW methods. When comparing the two methods, pop BW did not identify 13/16 (81%) of SGA and 23/39 (59%) of LGA babies defined by cust BW methods. The use of cust BW calculation in a diabetic population identified a greater percentage of neonates with pathologic fetal growth compared with pop BW standards, suggesting that the population standard may underdiagnose abnormal fetal growth in diabetic pregnancies. [ABSTRACT FROM AUTHOR]