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Table 1 An overview of the different diagnostic criteria for GDM

From: The Belgian Diabetes in Pregnancy Study (BEDIP-N), a multi-centric prospective cohort study on screening for diabetes in pregnancy and gestational diabetes: methodology and design

 

NDDG 3-hour 100 g OGTT

Carpenter & Coustan 3-hour 100 g OGTT

IADPSG 2-hour 75 g OGTT

Fasting

≥105 (5.8)

≥95 (5.3)

≥92 (5.1)

1 h

≥190 (10.6)

≥180 (10.0)

≥180 (10.0)

2 h

≥165 (9.2)

≥155 (8.6)

≥153 (8.5)

3 h

≥145 (8.0)

≥140 (7.8)

 

The number of abnormal values needed for the diagnosis of GDM

≥ 2

≥ 2

≥ 1

  1. Values are presented in mg/dl (mmol/l). NDDG: National Diabetes Data Group; OGTT: oral glucose tolerance test; IADPSG: The International Association of Diabetes and Pregnancy Study Groups.