From: Screening for pregestational and gestational diabetes in pregnancy: a survey of obstetrical centers in the northern part of Belgium
Diagnostic criteria
GDM < 24 weeks
GDM ≥ 24 weeks
(n = 25)
(n = 45)
75 g OGTT
Carpenter & Coustan
20% (5)
9% (4)
WHO
0
2% (1)
IADPSG
28% (7)
33% (15)
100 g OGTT
48% (12)
52% (23)
NDDG
4% (1)
4% (2)