Gestational diabetes and the neonate: challenges and solutions

Figures & data

Table 1 Comparison of IADPSG, NIH, NICE, and ADIPS guidelines for GDM screening

	IADPSG	NIH	NICE	ADIPS/WHO 2006
Target population	Universal: all pregnant women	Universal: all pregnant women	Women with risk factors for GDM: BMI >30 kg/m^2 Previous baby ≥4.5 kg Previous GDM First-degree relative with DM Family origin with high prevalence of diabetes: South Asian, Black Caribbean, Middle Eastern	Universal: all pregnant women
Type and timing of screening	2-hour 75 g OGTT at 24–28 weeks	1-hour 50 g nonfasting GLT at 24–28 weeks If plasma venous glucose at 1 hour is ≥ 10 mmol/L, proceed to fasting 3-hour 100 g OGTT	2-hour 75 g OGTT At 16–18 weeks if previous GDM At 24–28 weeks if other risk factors	2-hour 75 g OGTT at 24–28 weeks
Criteria for diagnosis of GDM	Any one or more of: Fasting, ≥5.1 mmol/L 1-hour, ≥10 mmol/L 2-hour, ≥8.5 mmol/L	3-hour ≥7.8 mmol/L	Any one or more of: Fasting, ≥7.0 mmol/L 2-hour, ≥7.8 mmol/L	Any one or more of: Fasting, 5.1–6.9 mmol/L 1-hour, > 10 mmol/L 2-hour, 8.5–11 mmol/L

Note: All values given are for plasma venous glucose.

Abbreviations: IADPSG, International Association of Diabetes and Pregnancy Study Groups; NIH, National Institutes of Health; NICE, National Institute for Health Clinical Excellence; ADIPS, Australasian Diabetes in Pregnancy Society; WHO, World Health Organization; BMI, body mass index; GDM, gestational diabetes mellitus; OGTT, oral glucose tolerance test; GLT, glucose loading test.