Screening tests used
|
Pregestational diabetes (n = 37)
|
GDM < 24 weeks (n = 25)
|
GDM ≥ 24 weeks (n = 45)
|
---|
FPG
|
35% (13)
|
32% (8)
|
0
|
HbA1c
|
14% (5)
|
4% (1)
|
2% (1)
|
Random glycaemia
|
35% (13)
|
28% (7)
|
0
|
Glycosuria
|
30% (11)
|
4% (1)
|
0
|
Combination of tests
|
14% (5)
|
52% (13)
|
9% (4)
|
Combination of GCT and OGTT
| | | |
≥ 130 mg/dl
|
0
|
8% (2)
|
16% (7)
|
≥ 140 mg/dl
|
0
|
40% (10)
|
64% (29)
|
One-step OGTT
| | | |
75 g
|
0
|
24% (6)
|
27% (12)
|
100 g
|
0
|
12% (3)
|
0
|
- GDM: gestational diabetes; FPG: fasting plasma glucose; GCT: 50 g glucose challenge test; OGTT: oral glucose tolerance test.