Gestational diabetes & diabetes in pregnancy
Association of prior COVID-19 infection with gestational diabetes mellitus
Main finding · GDM incidenceResult — go to the resultOdds ratio 0.75 95% CI 0.38–1.46Authors' conclusion
COVID-19 infection in the preconception or early pregnancy period was not associated with increased incidence of GDM.
Study context
- Population
- Pregnant individuals aged 18 to 45, ≥24 weeks gestational age at delivery, delivering at two university affiliated hospitals 6/1/2021–12/31/2021; excluded pre-gestational DM, multiple gestation, cystic fibrosis or pancreatic insufficiencymatched cohort
- Participants
- 182 vs 182
- Exposure
- Prior COVID-19 infection vs no prior infection
- Casesn = 182
- Controlsn = 182reference
- Outcome
- GDM diagnosis (two-step approach, Carpenter-Coustan criteria)
Methodological detailsmatched 1:1 by age and BMI, two university affiliated hospitals
- Matched 1:1 by age and BMI
- Two university affiliated hospitals
Main finding
GDM incidence
Odds ratio
0.75
95% CI 0.38–1.46
Casesvs Controls
OR 0.75 (95% CI 0.38–1.46)
As reported in the abstract
Observational data: associations, not effects.
Further findings
Gestational diabetes mellitus (GDM) by timing of COVID-19 infection
- No differences in GDM incidence based on timing of COVID-19 infection
- P = 0.097
Delivery method, obstetrical lacerations, Apgar scores
- No differences in delivery method, obstetrical lacerations, or Apgar scores
Original publication
Association of prior COVID-19 infection with gestational diabetes mellitus. Diabetes Res Clin Pract. Published 6 February 2026. doi:10.
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