Gestational diabetes & diabetes in pregnancy

Considering gestational diabetes and gestational hypertension history across two pregnancies in relationship to cardiovascular disease development: A retrospective cohort study

Diabetes Res Clin PractPublished Retrospective cohort study

Authors' conclusion

Health care providers and mothers should consider a complete history of GDM/GHTN occurrences to ascertain the importance and urgency of preventive action.

Study context

Population
Women with two singleton pregnancies, Quebec; cohort inception 1990–2012, outcomes 1990–2019
Participants
431,980 women
Exposure
Number of GDM/GHTN occurrences over two pregnancies vs no GDM/GHTN in either pregnancy
Outcome
Cardiovascular disease (CVD): composite of MI, stroke and angina requiring hospitalization and/or causing death
Follow-up
Median 16.4 years
Methodological detailsQuebec-based, Cox proportional hazards models, adjusted
  • Quebec-based
  • Cox proportional hazards models, adjusted

Main finding

As reported in the abstract

CVD
Each group vs no GDM/GHTNHazard ratio (95% CI)
One occurrenceincreased CVD hazards by 47%
1.47(1.35–1.61)
Two occurrencesnearly doubled hazards
1.91(1.68–2.17)
Three or moreapproximately tripled CVD hazards
2.93(2.20–3.90)

Observational data: associations, not effects.

Further findings

Individual components of the composite (MI, stroke, angina)

Individual components of the composite demonstrated similar findings

Original publication

Considering gestational diabetes and gestational hypertension history across two pregnancies in relationship to cardiovascular disease development: A retrospective cohort study. Diabetes Res Clin Pract. Published 10 November 2023. doi:10.1016/j.diabres.2023.110998

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