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Abstract
Discussion Forum (0)
Introduction: Glucose challenge testing (GCT) occurs between 24-28w gestation. The GCT has one diagnostic cutoff for gestational diabetes (GDM) does not vary based on the gestational age (GA) at which the test is performed. We evaluated the relationship between GA at which GCT was performed and the rate of GDM diagnosis. We hypothesized the rate of GDM diagnosis would increase at later GA.
Methods: This was a retrospective chart review from 2009 – 2019 in women without a prior diagnosis of GDM at a single tertiary care site. Adverse secondary outcomes were unplanned primary cesarean section and macrosomia.
Results: 16,219 women were included, with a mean age of 24.6, 57% parous, 13% White. The rate of GDM diagnosis remained similar regardless of the week of gestation with no significant cutoff at any individual week. There was no significant difference in the rate of diagnosis of GDM before or after 28 weeks (17.5% and 20%; p>0.05). Rate of unplanned cesarean section was similar in patients who completed GCT before 28w and those completing GCT after 28w (9% and 8%; p>0.05). Rate of delivery of a macrosomic infant was similar between patients who completed GCT before and after 28w (4% and 3%; p>0.05).
Conclusion/Implications: The rate of GDM diagnosis was not associated with the gestational age at which GCT was completed. Similarly, the rates of adverse secondary outcomes do not differ based on the gestational age of GCT. These results suggest a similar sensitivity for GDM regardless of the GA at administration.
Methods: This was a retrospective chart review from 2009 – 2019 in women without a prior diagnosis of GDM at a single tertiary care site. Adverse secondary outcomes were unplanned primary cesarean section and macrosomia.
Results: 16,219 women were included, with a mean age of 24.6, 57% parous, 13% White. The rate of GDM diagnosis remained similar regardless of the week of gestation with no significant cutoff at any individual week. There was no significant difference in the rate of diagnosis of GDM before or after 28 weeks (17.5% and 20%; p>0.05). Rate of unplanned cesarean section was similar in patients who completed GCT before 28w and those completing GCT after 28w (9% and 8%; p>0.05). Rate of delivery of a macrosomic infant was similar between patients who completed GCT before and after 28w (4% and 3%; p>0.05).
Conclusion/Implications: The rate of GDM diagnosis was not associated with the gestational age at which GCT was completed. Similarly, the rates of adverse secondary outcomes do not differ based on the gestational age of GCT. These results suggest a similar sensitivity for GDM regardless of the GA at administration.
Introduction: Glucose challenge testing (GCT) occurs between 24-28w gestation. The GCT has one diagnostic cutoff for gestational diabetes (GDM) does not vary based on the gestational age (GA) at which the test is performed. We evaluated the relationship between GA at which GCT was performed and the rate of GDM diagnosis. We hypothesized the rate of GDM diagnosis would increase at later GA.
Methods: This was a retrospective chart review from 2009 – 2019 in women without a prior diagnosis of GDM at a single tertiary care site. Adverse secondary outcomes were unplanned primary cesarean section and macrosomia.
Results: 16,219 women were included, with a mean age of 24.6, 57% parous, 13% White. The rate of GDM diagnosis remained similar regardless of the week of gestation with no significant cutoff at any individual week. There was no significant difference in the rate of diagnosis of GDM before or after 28 weeks (17.5% and 20%; p>0.05). Rate of unplanned cesarean section was similar in patients who completed GCT before 28w and those completing GCT after 28w (9% and 8%; p>0.05). Rate of delivery of a macrosomic infant was similar between patients who completed GCT before and after 28w (4% and 3%; p>0.05).
Conclusion/Implications: The rate of GDM diagnosis was not associated with the gestational age at which GCT was completed. Similarly, the rates of adverse secondary outcomes do not differ based on the gestational age of GCT. These results suggest a similar sensitivity for GDM regardless of the GA at administration.
Methods: This was a retrospective chart review from 2009 – 2019 in women without a prior diagnosis of GDM at a single tertiary care site. Adverse secondary outcomes were unplanned primary cesarean section and macrosomia.
Results: 16,219 women were included, with a mean age of 24.6, 57% parous, 13% White. The rate of GDM diagnosis remained similar regardless of the week of gestation with no significant cutoff at any individual week. There was no significant difference in the rate of diagnosis of GDM before or after 28 weeks (17.5% and 20%; p>0.05). Rate of unplanned cesarean section was similar in patients who completed GCT before 28w and those completing GCT after 28w (9% and 8%; p>0.05). Rate of delivery of a macrosomic infant was similar between patients who completed GCT before and after 28w (4% and 3%; p>0.05).
Conclusion/Implications: The rate of GDM diagnosis was not associated with the gestational age at which GCT was completed. Similarly, the rates of adverse secondary outcomes do not differ based on the gestational age of GCT. These results suggest a similar sensitivity for GDM regardless of the GA at administration.
Effect of gestational age at time of 1-hour glucose challenge testing on rate of diagnosis of gestational diabetes
Dr. Catherine Platt
Abstract
Discussion Forum (0)
Introduction: Glucose challenge testing (GCT) occurs between 24-28w gestation. The GCT has one diagnostic cutoff for gestational diabetes (GDM) does not vary based on the gestational age (GA) at which the test is performed. We evaluated the relationship between GA at which GCT was performed and the rate of GDM diagnosis. We hypothesized the rate of GDM diagnosis would increase at later GA.
Methods: This was a retrospective chart review from 2009 – 2019 in women without a prior diagnosis of GDM at a single tertiary care site. Adverse secondary outcomes were unplanned primary cesarean section and macrosomia.
Results: 16,219 women were included, with a mean age of 24.6, 57% parous, 13% White. The rate of GDM diagnosis remained similar regardless of the week of gestation with no significant cutoff at any individual week. There was no significant difference in the rate of diagnosis of GDM before or after 28 weeks (17.5% and 20%; p>0.05). Rate of unplanned cesarean section was similar in patients who completed GCT before 28w and those completing GCT after 28w (9% and 8%; p>0.05). Rate of delivery of a macrosomic infant was similar between patients who completed GCT before and after 28w (4% and 3%; p>0.05).
Conclusion/Implications: The rate of GDM diagnosis was not associated with the gestational age at which GCT was completed. Similarly, the rates of adverse secondary outcomes do not differ based on the gestational age of GCT. These results suggest a similar sensitivity for GDM regardless of the GA at administration.
Methods: This was a retrospective chart review from 2009 – 2019 in women without a prior diagnosis of GDM at a single tertiary care site. Adverse secondary outcomes were unplanned primary cesarean section and macrosomia.
Results: 16,219 women were included, with a mean age of 24.6, 57% parous, 13% White. The rate of GDM diagnosis remained similar regardless of the week of gestation with no significant cutoff at any individual week. There was no significant difference in the rate of diagnosis of GDM before or after 28 weeks (17.5% and 20%; p>0.05). Rate of unplanned cesarean section was similar in patients who completed GCT before 28w and those completing GCT after 28w (9% and 8%; p>0.05). Rate of delivery of a macrosomic infant was similar between patients who completed GCT before and after 28w (4% and 3%; p>0.05).
Conclusion/Implications: The rate of GDM diagnosis was not associated with the gestational age at which GCT was completed. Similarly, the rates of adverse secondary outcomes do not differ based on the gestational age of GCT. These results suggest a similar sensitivity for GDM regardless of the GA at administration.
Introduction: Glucose challenge testing (GCT) occurs between 24-28w gestation. The GCT has one diagnostic cutoff for gestational diabetes (GDM) does not vary based on the gestational age (GA) at which the test is performed. We evaluated the relationship between GA at which GCT was performed and the rate of GDM diagnosis. We hypothesized the rate of GDM diagnosis would increase at later GA.
Methods: This was a retrospective chart review from 2009 – 2019 in women without a prior diagnosis of GDM at a single tertiary care site. Adverse secondary outcomes were unplanned primary cesarean section and macrosomia.
Results: 16,219 women were included, with a mean age of 24.6, 57% parous, 13% White. The rate of GDM diagnosis remained similar regardless of the week of gestation with no significant cutoff at any individual week. There was no significant difference in the rate of diagnosis of GDM before or after 28 weeks (17.5% and 20%; p>0.05). Rate of unplanned cesarean section was similar in patients who completed GCT before 28w and those completing GCT after 28w (9% and 8%; p>0.05). Rate of delivery of a macrosomic infant was similar between patients who completed GCT before and after 28w (4% and 3%; p>0.05).
Conclusion/Implications: The rate of GDM diagnosis was not associated with the gestational age at which GCT was completed. Similarly, the rates of adverse secondary outcomes do not differ based on the gestational age of GCT. These results suggest a similar sensitivity for GDM regardless of the GA at administration.
Methods: This was a retrospective chart review from 2009 – 2019 in women without a prior diagnosis of GDM at a single tertiary care site. Adverse secondary outcomes were unplanned primary cesarean section and macrosomia.
Results: 16,219 women were included, with a mean age of 24.6, 57% parous, 13% White. The rate of GDM diagnosis remained similar regardless of the week of gestation with no significant cutoff at any individual week. There was no significant difference in the rate of diagnosis of GDM before or after 28 weeks (17.5% and 20%; p>0.05). Rate of unplanned cesarean section was similar in patients who completed GCT before 28w and those completing GCT after 28w (9% and 8%; p>0.05). Rate of delivery of a macrosomic infant was similar between patients who completed GCT before and after 28w (4% and 3%; p>0.05).
Conclusion/Implications: The rate of GDM diagnosis was not associated with the gestational age at which GCT was completed. Similarly, the rates of adverse secondary outcomes do not differ based on the gestational age of GCT. These results suggest a similar sensitivity for GDM regardless of the GA at administration.
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