Table 1.

Major criteria for the diagnosis of GDM

	Sample	Steps	OGTT load	No. abnormal	Fasting mg/dl (mmol/l)	1 h mg/dl (mmol/l)	2 h mg/dl (mmol/l)	3 h mg/dl (mmol/l)
O’Sullivan 1964 [6]	B	2	100 g	≥2	90 (5)	165 (9.2)	145 (8.1)	125 (6.9)
NDDG 1979 [11]	P	2	100 g	≥2	105 (5.8)	190 (10.6)	165 (9.2)	145 (8.0)
C&C 1982 [12]	P	2	100 g	≥2	95 (5.3)	180 (10)	155 (8.6)	140 (7.8)
EASD1996 [15]	P	1	75 g	≥1	108 (6)	X	162 (9)	X
ADIPS1998 [16]	P	1	75 g	≥1	100 (5.5)	X	144 (8)	X
WHO 1999 [17]	P	1	75 g	≥1	126 (7)	X	140 (7.8)	X
IADPSG 2010 [4]	P	1	75 g	≥1	92 (5.1)	180 (10)	153 (8.5)	X

X= not applicable

B= Whole blood

P= Plasma