Scientific Evidence for Different Options for GDM Screening and Management: Controversies and Review of the Literature

Table 1

Criteria for GDM screening and diagnosis.

	Population to screen	Time to screen	Test	Number of abnormal values required for diagnosis	Fasting glucose (mg/dL)	1 hour after loading (mg/dL)	2 hours after loading (mg/dL)	3 hours after loading (mg/dL)
ACOG 2013; C&C [4]	Selective screening	First visit	Two-Step, 3 h, 100 g	≥2	95	180	155	140
ACOG 2013 NDDG [4]	Selective screening	First visit	Two-Step, 3 h, 100 g	≥2	105	190	165	145
ADA; 2015 [9]	Universal screening	24–28 weeks	One-Step, 2 h, 75 g	≥2	95	180	155	Not required
ADA; 2015 [9]	Universal screening	First visit	Two-Step, 3 h, 100 g	≥2	95	180	155	140
ADIPS 2013 [52]	Selective screening	24–28 weeks	One-Step, 2 h, 75 g	≥1	92	180	153	Not required
CDA; 2013 [10]	Universal screening	First visit	Two-Step, 2 h, 75 g	≥2	95	191	160	Not required
FIGO; 2013 [5]	Universal screening	24–28 weeks	One-Step, 2 h, 75 g	≥1	92	180	153	Not required
IADPSG 2010 [7]	Universal screening	24–28 weeks	One-Step, 2 h, 75 g	≥1	92	180	153	Not required
NICE; 2015 [11]	Selective screening	24–28 weeks	One-Step, 2 h, 75 g	≥1	101	Not required	140	Not required
WHO; 2013 [8]	Universal screening	24–28 weeks	One-Step, 2 h, 75 g	≥1	92	180	153	Not required

ACOG: American College of Obstetricians and Gynecologists; ADA: American Diabetes Association; ADIPS: Australasian Diabetes in Pregnancy Society; CDA: Canadian Diabetes Association; C&C: Carpenter and Coustan; FIGO: International Federation of Gynecology and Obstetrics; IADPSG: International Association of Diabetes Pregnancy Study Group; NICE: National Institute for Health and Care Excellence; NDDG: National Diabetes Data Group; WHO: World Health Organization.