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Fructosamine and HbA1c for Monitoring Diabetes in Pregnancy: Complementary or competing?
Yosra Htira1, Chaima Jemai1, Emna Fennira1
1Department C of Therapeutic Dietetics, National Institute of Nutrition of Tunis, Tunis, Tunisia.
Fructosamine and glycated haemoglobin (HbA1c) offer complementary insights into glycaemic control for pregnant women with diabetes. Fructosamine showed significant improvements, highlighting its utility alongside HbA1c in managing gestational diabetes.
Area of Science:
- Endocrinology
- Maternal-Fetal Medicine
- Clinical Chemistry
Background:
- Gestational diabetes requires effective glycaemic monitoring for optimal maternal and fetal outcomes.
- Traditional markers like HbA1c may have limitations in reflecting short-term glycaemic fluctuations during pregnancy.
Purpose of the Study:
- To compare the efficacy of fructosamine and HbA1c in assessing glycaemic control in pregnant women with pregestational diabetes.
- To explore the correlations between these biomarkers and mean glycaemia throughout pregnancy.
Main Methods:
- A prospective longitudinal study involving 71 pregnant women with pregestational diabetes.
- Regular monitoring of fructosamine and HbA1c levels from early pregnancy until delivery.
- Analysis of correlations between biomarker levels and mean blood glucose measurements.
Main Results:
- Glycaemic values decreased during pregnancy, with significant improvement noted for fructosamine (P=0.03) but not HbA1c.
- Significant correlations were found between mean HbA1c, fructosamine, and corrected fructosamine levels (P<0.001).
- Fructosamine demonstrated stronger and more consistent correlations with fasting and mean blood glucose across all trimesters compared to HbA1c.
Conclusions:
- Fructosamine and HbA1c provide complementary information for monitoring glycaemic control in pregnant women with diabetes.
- Fructosamine may offer a more sensitive indicator of recent glycaemic changes in pregnancy.
- These findings support the combined use of fructosamine and HbA1c for comprehensive diabetes management during gestation.
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