Table 1
White’s classification of diabetes in pregnant women7
| Class of diabetes | Fetal survival (%) |
|---|---|
| Class A: chemical diabetes | 100 |
| Class B: maturity onset (age over 20 years), duration under 10 years, no vascular lesions | 67 |
| Class C: age 10–19 years at onset or 10–19 years’ duration, no vascular lesions | 48 |
| Class D: under age 10 at onset or over 20 years’ duration or calcification of vessels of legs or hypertension or benign retinopathy | 32 |
| Class E: calcification of pelvic arteries | 13 |
| Class F: nephropathy | 3 |
