Fructosamine as a screening‐test for gestational diabetes mellitus: a reappraisal

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Abstract
Fructosamine, glycosylated hemoglobin (HbAIc) and serum total proteins were measured in normal nondiabetic pregnant women (n = 170) at three stages of pregnancy (14–18, 24–28, and 32–40 weeks of gestation). No significant correlation was found between fructosamine and either HbAIc or total plasma proteins. Only early in pregnancy (< 20 weeks of gestation) was a correlation found between fructosamine and fasting blood glucose (r = 0.40, P < 0.05). There was also no correlation between either tests (i.e. fructosamine and HbAIc) and fetal birthweight. The value of fructosamine measurement in the detection of diabetes in pregnancy was further tested in a group of high‐risk patients (n = 98) for developing carbohydrate intolerance. It is concluded that fructosamine has limited value as a screening test for gestational diabetes mellitus, particularly for the mild form of the glucose intolerance.