1985
DOI: 10.2337/diab.34.2.s21
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Screening for Gestational Diabetes: Optimum Timing and Criteria for Retesting

Abstract: Because of the morbidity associated with undiagnosed gestational diabetes (GDM), screening programs are advocated in all pregnancy clinics. The purpose of this study was to elucidate the optimum time to test for diabetes during gestation, the indication for retesting, and the predictive value of a positive screening test for a large (greater than 4000 g) infant. Women (N = 300) were screened at three time points: 9-20 wk, 27-31 wk, and 33-36 wk. An additional group of 300 women were screened at two time points… Show more

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Cited by 81 publications
(29 citation statements)
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“…The observation that gestational diabetes is not associated with a higher risk of hypospadias is consistent with this idea, because gestational diabetes usually develops after these key steps in urethral development have been completed. 19 Finally, in contrast to a previously published report that indicated that the prevalence of hypospadias in the United States was increasing, 11 we observed relatively stable rates of hypospadias in Washington State from 1987 though 2002. However, as noted previously, the ICD-9 classification of hypospadias changed in 1996, which might in part account for the dip in prevalence between 1996 and 1997 (Fig 1).…”
contrasting
confidence: 55%
“…The observation that gestational diabetes is not associated with a higher risk of hypospadias is consistent with this idea, because gestational diabetes usually develops after these key steps in urethral development have been completed. 19 Finally, in contrast to a previously published report that indicated that the prevalence of hypospadias in the United States was increasing, 11 we observed relatively stable rates of hypospadias in Washington State from 1987 though 2002. However, as noted previously, the ICD-9 classification of hypospadias changed in 1996, which might in part account for the dip in prevalence between 1996 and 1997 (Fig 1).…”
contrasting
confidence: 55%
“…A slightly later approach to the initial screening (26 -30 vs. 24 -28 gestational weeks) was used (12). This approach has been shown to increase the yield of the screening (13). Additionally, retesting women at risk of GDM at a later gestational age was not feasible under the local antenatal care setting.…”
Section: Methodsmentioning
confidence: 99%
“…All patients gave oral, informed consent to participate in the study. A total of 949 pregnant women attending the centers as outpatients for routine prenatal clinical care were screened with the 50 g, 1-h glucose challenge test (GCT) (13 ) and Hb A 1c measurements. GCT was usually performed between the 24th and 27th weeks of pregnancy (range, 15-36 weeks), and Hb A 1c was measured on the same day.…”
Section: Materials and Methods Study Participantsmentioning
confidence: 99%