Gestational diabetes mellitus: An update on the current international diagnostic criteria

Table 1 Comparison of screening and diagnostic criteria of gestational diabetes[58]

Area	Advising body	Year	Advise for screening	Method of screening(positive cut-off ≥)	Glucose load, g	Glucose thresholds (mmol/L)				Number of OGTT values for diagnosis ≥
						Fasting	1-h	2-h	3-h
North America	NDDG	1979	None	50-g GCT (7.8)	100	5.8	10.5	9.2	8.0	2
	ADA	2003	All but for those at low risk	50-g GCT (7.8)	100	5.3	10.0	8.6	7.8	2
					75	5.3	10.0	8.6	-	2
	C and C	1982	None	-	100	5.3	10.0	8.6	7.8	2
	IADPSG	2010	All	75-g OGTT	75	5.1	10.0	8.5
	CDA	2003	All	50-g GCT (7.8)	75	5.3	10.6	8.9	-	2
	CDA	2013		50-g GCT (7.8)	75	5.3	10.6	9.0	-	1
	SOGC	2002	All except low risk	50-g GCT (7.8)	100	5.3	10.0	8.6	7.8	2
					75	5.3	10.0	8.6	-	2
South America	BSD	2007	All	FPG (4.7)	75	-	7.0		7.8	1
	BSD	2014	All	FPG (4.7)	75	5.1	10.0	8.5		1
Europe	NICE	2015	Clinical risk	75-g OGTT	75	5.6	-	7.8	-	1
	EASD	1991	NS	NS	75	5.5 or 6.0			9.0	1
Asia	JDS	2013	All	50-g GCT (7.8)	75	5.1	10.0	8.5	-	2
	DIPSI	2009	-	-	75	-	-	7.8
Australasia	ADIPS	2014	All, unless resources limited	75-g OGTT	75	5.1	10.0	8.5	-	1
	NZSSD	1998	All	50-g GCT (7.8)	75	5.5	-	9.0	-	1
				75-g (8.0)
Global criteria	WHO	2013	All	75-g OGTT	75	5.1	10.0	8.5	-	1

ADA: American Diabetes Organization; ADIPS: Australian Diabetes in Pregnancy Society; BSD: Brazilian Society of Diabetes; CDA: Canadian Diabetes Association; C and C: Carpenter and Coustan; EASD: European Association for the Study of Diabetes; DIPSI: Diabetes in Pregnancy Study group in India; IDF: International Diabetes Federation; FPG: Fasting plasma glucose; JDS: Japan Diabetes Society; NDDG: National Diabetes Data Group; NZSSSD: New Zealand Society for the Study of Diabetes; NICE: National Institute for Health and Care Excellence; NS: Not specified; RPG: Random plasma glucose; SOGC: Society of Obstetricians and Gynecologists of Canada; WHO: World Health Organization.