The study included 947 pregnant women who had simultaneous glucose measurements available (blood capillary and venous blood OGTT). Sensitivity, specificity, and area under the curve of the glucose measurements obtained for capillary blood compared with venous plasma (gold standard) were calculated to determine diagnostic accuracy. The study endpoint was the comparability of the glucometer results to the gold standard OGTT when collected simultaneously. Participants were evaluated using the plasmatic 2-h 75-g OGTT with simultaneous capillary blood glucose measurements using a glucometer. Pregnant women who participated in a previous prospective multicenter longitudinal cohort study and who had not been previously diagnosed with diabetes were included. This study compared capillary blood glucose testing with 2-h plasma glucose measurements obtained using the 75-g OGTT to screen for GDM at primary healthcare clinics in Mexico. Nevertheless, no significant difference was found in the prevalence of LGA newborns.įew pregnant women in low-resource settings are screened for gestational diabetes mellitus (GDM) using the gold standard oral glucose tolerance test (OGTT). With use of the IADPSG criteria, the prevalence of GDM increased almost 3-fold in comparison with that for the ADA criteria.

The frequency of LGA newborns was 7.4% based on IADPSG criteria and 6.0% based on ADA criteria-no significant difference (P =.

Fasting glucose concentrations during the 100-g 3-hour oral glucose tolerance test were abnormal in 116 women (14.4%) and in 160 women (19.9%) on the basis of ADA and IADPSG criteria, respectively (P =. The ADA criteria identified 83 women (10.3%) whereas the IADPSG criteria diagnosed 242 women (30.1%) having GDM (P =. To explore the prevalence of gestational diabetes mellitus (GDM), defined by the previous criteria of the American Diabetes Association (ADA), as well as the criteria suggested by the International Association of Diabetes and Pregnancy Study Groups (IADPSG), in an unselected group of urban Mexican pregnant women and to analyze the frequency of large for gestational age (LGA) newborns in this same group of women with use of both diagnostic criteria.Ī cross-sectional study included 803 consecutive Mexican urban women with a singleton pregnancy, without concomitant diseases and no prior history of GDM, who underwent a 2-step screening protocol for diagnosis of GDM at admission to prenatal care.

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