Periodic health examination, 1992 update: 1. Screening for gestational diabetes mellitus

Table 1: Effect of a screening program for gestational diabetes mellitus to prevent adverse outcomes related to macrosomia*

No. of live births in Canada in 1988**
Incidence rate of gestational diabetes, %
Frequency of macrosomia if gestational diabetes

Not treated, %
Treated, % Incidence rate of clavicular fracture in infants with macrosomia, %
Incidence rate of brachial plexus injury in infants with macrosomia, %
369 308
3

30
12
5.5
2.5

No. of women with gestational diabetes
No. of infants delivered with macrosomia
Adverse outcome, no. of cases prevented
Macrosomia
Clavicular fracture
Brachial plexus injury
11 079
1 329

1 994
109
50

*This assumes that the program is totally effective.
**Unpublished data, Statistics Canada, Ottawa.

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Table 1: Effect of a screening program for gestational diabetes mellitus to prevent adverse outcomes related to macrosomia*
No. of live births in Canada in 1988** Incidence rate of gestational diabetes, % Frequency of macrosomia if gestational diabetes Not treated, % Treated, % Incidence rate of clavicular fracture in infants with macrosomia, % Incidence rate of brachial plexus injury in infants with macrosomia, %	369 308 3 30 12 5.5 2.5
No. of women with gestational diabetes No. of infants delivered with macrosomia Adverse outcome, no. of cases prevented Macrosomia Clavicular fracture Brachial plexus injury	11 079 1 329 1 994 109 50
This assumes that the program is totally effective. *Unpublished data, Statistics Canada, Ottawa.