Criteria	Time Course	Fasting Glucose (mg/dL)	Glucose Overload	Oral Glucose Tolerance Test (mg/dL)
				1 h	2 h	3 h
O’Sullivan & Mahan (1964) [21]	Detected at any time during pregnancy	90	100 g of glucose	165	145	125
O’Sullivan & Mahan (1964) [21] adapted by National Diabetes Data Group (NDDG) (1979) [22]		105	100 g of glucose	190	165	145
Carpenter & Coustan (1982) [23]		95	100 g of glucose	180	155	140
World Health Organization (WHO) (1999) [26]		126	75 g of Glucose	Not measured	140	Not measured
International Association of Diabetes in Pregnancy Study Group (IADPSG (2010) [27]	24–28 gestational weeks	92	75 g of Glucose	180	153