Supplementary Table 9. GDM found in Early pregnancy (<24 weeks gestation): Prevalence & Proportions

Country / Studies
[Reference] / GDM criteria / Overall GDM prevalence (%) / Early GDM prevalence (%) / Proportions of Early GDM (%)
Australia / Sweeting et al [52] / ADIPS (1991) criteria / - / - / 26.9
Canada / De Muylder [44] / Modified O’Sullivan criteria / - / - / 36
China / Zhu et al [10] / IADPSG/WHO criteria / 17.5 / - / -
Denmark / Svare et al [51] / Danish criteria / - / - / 15.29
Europe / Harreiter et al [26] / IADPSG/WHO criteria / - / 22.9 / -
India / Neelakandan and Sethu [36]
Balaji et al [22] / IADPSG/WHO criteria
WHO (1999) criteria / 23.3
- / 7.1
16.96 / 30.6
-
Israel / Riskin-Masiah [30] / CC criteria / - / 2.8 / -
Italy / Corrado et al [31] / IADPSG/WHO criteria / 11.9 / - / -
Japan / Maegawa et al [25] / JSOG/JDS criteria / 2.9 / 1.86 / 63.6
New Zealand / Hughes et al [19] / IADPSG/WHO criteria / 15.2 / 3.7 / 24.2
Sardinia / Murgia et al [37] / ADA (2003) criteria / 22.3 / 6.6 / 28.4
Spain / Barahona et al [40]
Bartha et al [41]
Mane et al [20] / NDDG criteria
NDDG criteria
NDDG criteria / -
5.9
13.0 / -
1.6
- / 17.7
27.7
-
Switzerland / Amylidi et al [24] / IADPSG/WHO criteria / 14.7 / - / -
Turkey / Yeral et al [17] / IADPSG/WHO criteria / 10.9 / - / -
UAE / Agarwal et al [33] / WHO (1999) criteria / 25.9 / 11.1 / 42.9
UK / Meek et al [35]
Gandhi and Farrell [28] / IADPSG/WHO criteria
WHO (1999) criteria / 4.6
24 / -
16.8 / -
70
United States / Hawkins et al [47]
Most et al [48]
Berkovitz et al [42]
Sacks et al [34]
Osmundson et al [23] / NDDG criteria
CC criteria
CC criteria
Sacks et al criteria
IADPSG/WHO criteria / 3.8
-
12.75
6.7
14.7 / 0.8
-
3.6
1.02
- / 22.1
29.0
28.8
15.0
-

GDM=Gestational Diabetes Mellitus; ADA=American Diabetes Association; ADIPS= Australasian Diabetes In

Pregnancy Society; CC= Carpenter-Coustan; IADPSG= International Association of Diabetes and Pregnancy Study

Groups; JSOG/JDS=Japan Society of Obstetrics and Gynecology/Japan Diabetes

Society; NDDG=National Diabetes Data Group; WHO=World Health Organization;