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Fructosamine compared with a glucose load as a screening test for gestational diabetes
A B Roberts1, J R Baker, P Metcalf
1Department of Obstetrics, National Women's Hospital, Auckland, New Zealand.
Five hundred seven women were screened for gestational diabetes between 20-36 weeks' gestation. All received a 100-g glucose (polycose) load at 28 weeks with measurement of plasma glucose 1 hour later. Fructosamine levels were measured at 4-week intervals from 20-36 weeks. At 36 weeks, a full 100-g 3-hour glucose tolerance test was performed on all subjects. Eighteen women were diagnosed as having gestational diabetes. The glucose load had a sensitivity of 81% in detection of gestational diabetes, compared with 50% for fructosamine at 36 weeks. Fructosamine is not useful as a screening test for gestational diabetes as currently defined.
Five hundred seven women were screened for gestational diabetes between 20-36 weeks' gestation. All received a 100-g glucose (polycose) load at 28 weeks with measurement of plasma glucose 1 hour later. Fructosamine levels were measured at 4-week intervals from 20-36 weeks. At 36 weeks, a full 100-g 3-hour glucose tolerance test was performed on all subjects. Eighteen women were diagnosed as having gestational diabetes. The glucose load had a sensitivity of 81% in detection of gestational diabetes, compared with 50% for fructosamine at 36 weeks. Fructosamine is not useful as a screening test for gestational diabetes as currently defined.