Table 1.

Diagnostic thresholds for gestational diabetes and overt diabetes in pregnancy (7,8,10).

Gestational diabetes mellitus
	Venous plasma glucose treshold (mmol/L)
Fasting	≥ 5.1
75 g oGTT: 60 min	≥ 10.0
75 g oGTT: 120 min	≥ 8.5
One or more values equal or exceeding diagnostic threshold.
Overt diabetes in pregnancy
Measure of glycaemia	Diagnostic threshold
Fasting plasma glucose (FPG)*	≥ 7.0 mmol/L
HbA1c	≥ 6.5% (48 mmol/mol)
Random plasma glucose*	≥ 11.1 mmol/L
Any of measures of glycaemia equal or exceeding diagnostic threshold.

^*venous plasma