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Cited by 40Gestational Diabetes Research and ManagementCOVID-19 Impact on ReproductionDiabetes Management and Research

Gestational diabetes mellitus testing in the COVID‐19 pandemic: The problems with simplifying the diagnostic process

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van Gemert, Tegan E., Moses, Robert G., Pape, Alexia V., Morris, Gary J.·2020·Australian and New Zealand Journal of Obstetrics and Gynaecology
DOI 10.1111/ajo.13203PMC PMC7405039
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Abstract

Background: Multiple professional bodies have temporarily revised recommendations for gestational diabetes mellitus (GDM) testing during the COVID‐19 pandemic to reduce person‐to‐person contact. The current Australian temporary criteria advise that if the fasting glucose is ≤4.6 mmol/L, then no glucose tolerance test (GTT) is required. Aims: The aim of this study is to examine the extent of underdiagnosis of GDM using a fasting glucose ≤4.6 mmol/L as a cut‐off to determine that a GTT is not necessary. Materials and Methods: De‐identified data from pregnant women having a GTT test in the Illawarra area during a six‐year period was used to determine the number of women with GDM and the proportion of positive cases that would be missed for different fasting glucose values. Results: There were 16 522 results identified and GDM was diagnosed in 12.2%. The majority of women were more than 30 years of age (85.2%) and diagnosed at ≥20 weeks gestation (81.1%). Of those diagnosed with GDM, 29% had a fasting glucose of ≤4.6 mmol/L and would have been missed. Conclusions: Our results show that using a fasting glucose of 4.6 mmol/L or less would miss nearly a third of women who would otherwise be diagnosed with GDM.

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  • Simplifying the diagnosis of GDM in order to avoid the risk of COVID-19 infection was associated with the risk of not diagnosing GDM by as much as 20-30%.

    “However, simplifying the diagnosis of GDM in order to avoid the risk of COVID-19 infection was unfortunately associated with the risk of not diagnosing GDM by as much as 20–30%, which may affect obstetric outcomes [63,64,65].”

    From Gestational Diabetes Mellitus—Recent Literature Review (2022) · cites this paper as [63]

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Authors
van Gemert, T. E., Moses, R. G., Pape, A. V., & Morris, G. J.
Affiliations
  • Department of Endocrinology The Wollongong Hospital Wollongong New South Wales Australia
  • Wollongong Hospital (AU)
Corresponding author
Moses, Robert G.
ORCID
Venue
Australian and New Zealand Journal of Obstetrics and Gynaecology
Publisher
Wiley
Published
2020-07-13
Volume
60
Issue
5
Pages
671-674
ISSN
  • 0004-8666 (ISSN-L)
  • 1479-828X
DOI
10.1111/ajo.13203
PMC
PMC7405039
OpenAlex
W3043640027
Cited by
40
References
5
Citations by year
2025: 2 · 2024: 4 · 2023: 8 · 2022: 9 · 2021: 10 · 2020: 5
FWCI
4.89
Type
journal article
Language
en
Open access
Licence
onlinelibrary.wiley.com/termsAndConditions#vor (vor)
Locations
  • Australian and New Zealand Journal of Obstetrics and Gynaecology (publishedVersion)
  • PubMed Central (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Obstetrics and Gynecology › Gestational Diabetes Research and Management
  • Health Sciences › Medicine › Obstetrics and Gynecology › COVID-19 Impact on Reproduction
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes Management and Research
Keywords
gestational diabetes mellitus, COVID-19 pandemic, glucose tolerance test, fasting blood glucose, diagnostic criteria, underdiagnosis, diagnostic accuracy, pregnant women
MeSH terms
COVID-19, COVID-19 Testing, Adult, Australia, Blood Glucose, Female, Glucose Tolerance Test, Humans, Patient Isolation, Pneumonia, Viral, Pregnancy, Pregnancy Complications, Infectious, Pregnancy Outcome, Prenatal Care, Retrospective Studies, Cohort Studies, Databases, Factual, Diabetes, Gestational, Infection Control, Coronavirus Infections, Risk Assessment, Clinical Laboratory Techniques, Severe Acute Respiratory Syndrome, Pandemics

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