Protocol | First trimester | Second trimester | ||
---|---|---|---|---|
Diagnostic criteria for GDM | Method for GDM screening | Diagnostic threshold of test | Diagnostic criteria | |
A | 92 mg/dL < FPG > 126 mg/dL | One step with 2-h 75 g OGTT | Fasting ≥ 92 mg/dL 1 h ≥ 180 mg/dL 2 h ≥ 153 mg/dL | GDM is defined as any of the given plasma glucose values are met or exceeded |
B | 100 mg/dL < FPG > 126 mg/dL | One step with 2-h 75 g OGTT | Fasting ≥ 92 mg/dL 1 h ≥ 180 mg/dL 2 h ≥ 153 mg/dL | GDM is defined as two or more of the given plasma glucose values are met or exceeded |
C | 100 mg/dL < FPG > 126 mg/dL | One step with 2-h 75 g OGTT | Fasting ≥ 92 mg/dL 1 h ≥ 180 mg/dL 2 h ≥ 153 mg/dL | GDM is defined as any of the given plasma glucose values are met or exceeded |
D | 92 mg/dL < FPG > 126 mg/dL | Two steps with 50 g GCT—1 h following 3-h 100 g OGTT | 50 g GCT: | GDM is defined as if two or more of the given plasma glucose values in 100 g OGTT are met or exceeded |
  BS-1 h: ≥ 140 mg | ||||
100Â g OGTT: | ||||
  Fasting ≥ 95 mg/dL | ||||
  1 h ≥ 180 mg/dL | ||||
  2 h ≥ 155 mg/dL | ||||
  3 h ≥ 140 mg/dL | ||||
E | 100 mg/dL < FPG > 126 mg/dL | Two steps with 50 g GCT—1 h following 3-h 100 g OGTT | 50 g GCT: | GDM is defined as if two or more of the given plasma glucose values in 100 g OGTT are met or exceeded |
  BS-1 h: ≥ 140 mg | ||||
100Â g OGTT: | ||||
  Fasting ≥ 95 mg/dL | ||||
  1 h ≥ 180 mg/dL | ||||
  2 h ≥ 155 mg/dL | ||||
  3 h ≥ 140 mg/dL |