Table 1.

Definitions of gestational diabetes mellitus

	1999 WHO criteria	2015 NICE criteria	2013 WHO criteria
Baseline (fasting) plasma glucose, mmol/L	≥7.0	>5.6	≥5.1
	and/or	and/or	and/or
2-hour plasma glucose, mmol/L	≥7.8	≥7.8	≥8.5

*2013 WHO criteria baseline and 120-minute values only

NICE = National Institute for Health and Care Excellence; WHO = World Health Organization