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Gestational Diabetes Mellitus: Recurrence and Future Type 2 Diabetes Risk Across Racial and Ethnic Groups
Xin Yin1,2,3,4, Ting Chow5, Mayra Martinez5
1Global Centre for Asian Women's Health, Yong Loo Lin School of Medicine, National University of Singapore, Singapore.
Diabetes Care
|August 11, 2026
Summary
Gestational diabetes mellitus (GDM) significantly increases long-term diabetes risk, with recurrent GDM nearly doubling this risk. Asian women face the highest risk, highlighting the need for tailored screening and prevention strategies.
Area of Science:
- Endocrinology
- Reproductive Health
- Public Health
Background:
- Gestational diabetes mellitus (GDM) prevalence is rising globally.
- Limited data exist on long-term diabetes risk and GDM recurrence, particularly in Asian populations.
- Understanding these risks is crucial for effective maternal health management.
Purpose of the Study:
- To investigate the association between GDM, GDM recurrence, and subsequent diabetes risk.
- To compare diabetes risk across different ethnic groups following GDM.
- To inform targeted screening and prevention strategies.
Main Methods:
- Retrospective cohort study of 326,115 mothers with singleton pregnancies.
- Follow-up from January 2007 to December 2022.
- GDM and diabetes diagnosis via glucose screenings, HbA1c, medications, or ICD codes; Cox regression analysis.
Main Results:
- GDM increased diabetes risk over fivefold (HR 5.87).
- Recurrent GDM elevated diabetes risk nearly tenfold (HR 9.91).
- Asian women exhibited the highest GDM and recurrence rates and the greatest diabetes risk following recurrent GDM (HR 11.74).
Conclusions:
- GDM significantly elevates long-term diabetes risk.
- Recurrent GDM substantially increases this risk, emphasizing the need for vigilant monitoring.
- Ethnic disparities in GDM and subsequent diabetes risk necessitate tailored public health interventions.
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