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Table 1 Various criteria proposed for diagnosing GDM based on fasting OGTT

From: Screening and diagnosis of gestational diabetes mellitus – relevance to low and middle income countries

Criteria

Year proposed

Approach

Glucose load (g)

Glucose threshold mg/dl (mmol/l)

Fasting

1 h

2 h

3 h

O’Sullivan & Mahan

1964

2 step

100

90 (5.0)

165 (9.2)

145 (8.1)

125 (6.9)

National Diabetes Data Group (NDDG)

1979

2 step

100

105 (5.8)

190 (10.6)

165 (9.2)

145 (8.1)

Carpenter & Coustan

1982

2 step

100

95 (5.3)

180 (10.0)

155 (8.6)

140 (7.8)

World Health Organization (WHO)

1999

1 step

75

126a (7.0)

140 (7.8)

American Diabetes Association (ADA)

2004

2 step

100

95 (5.3)

180 (10.0)

155 (8.6)

140 (7.8)

Latin American Diabetes Association (ALAD)b

2008

2 step

75

100 (5.5)

140 (7.8)

International Association of Diabetes and Pregnancy Study Groups (IADPSG)

2010

1 step

75

92 (5.1)

180 (10.0)

153 (8.5)

World Health Organization 2013 criteria (revised, same as IADPSG)

2013

1 step

75

92 (5.1)

180 (10.0)

153 (8.5)

National Institute for Health and Care Excellence (NICE)

2015

1 step

75

101 (5.6)

140 (7.8)

  1. Adopted from (Vandorsten et al., 2011) [15]
  2. Values in parenthesis are in mmol/l
  3. aLater this fasting value was dropped
  4. bCriteria for the diagnosis of gestational diabetes in selected countries of the Americas. Final report of the Pan American Conference on Diabetes and Pregnancy [32]