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Sequelae of unrecognized gestational diabetes
1Mayo Medical School, and Division of Maternal-Fetal Medicine, Mayo Medical Center, Rochester, Minnesota, USA.
American Journal of Obstetrics and Gynecology
|July 14, 1998
Summary
Unrecognized gestational diabetes significantly increases risks for macrosomia and birth trauma, independent of maternal obesity. Early detection and dietary management of gestational diabetes can reduce these adverse perinatal outcomes.
Area of Science:
- Obstetrics and Gynecology
- Perinatal Medicine
- Endocrinology
Background:
- Previous research suggested maternal obesity, not gestational diabetes, caused macrosomia.
- The independent association between gestational diabetes and adverse perinatal outcomes required further investigation.
Purpose of the Study:
- To determine if unrecognized gestational diabetes independently predicts macrosomia and other perinatal morbidities.
- To control for confounding variables such as maternal obesity.
Main Methods:
- Retrospective analysis of 472 gestational diabetes cases.
- Inclusion of 16 prospectively identified unrecognized cases.
- Matching of unrecognized cases to 64 non-diabetic controls on key demographic and clinical factors.
Main Results:
- Unrecognized gestational diabetes significantly increased rates of large for gestational age infants (44%), macrosomia (44%), shoulder dystocia (19%), and birth trauma (25%) compared to controls.
- These associations remained statistically significant after adjusting for maternal age, obesity, parity, and gestational age at delivery.
- Gestational diabetes treated with diet alone showed intermediate rates of these complications.
Conclusions:
- Unrecognized gestational diabetes is an independent risk factor for macrosomia, shoulder dystocia, and birth trauma.
- Clinical recognition and management of gestational diabetes mitigate these risks.
- Gestational diabetes requires careful monitoring to prevent adverse perinatal outcomes.