Cardio-oncology & otherCohort study

Contemporary Burden of Cardiovascular Disease in Pregnancy: Insights From a Real-World Pregnancy Electronic Health Record Cohort

CirculationPublished

  • Retrospective cohort study
  • multi-institutional
  • electronic health record-based

Authors' conclusion

In a large-scale electronic health record-based pregnancy cohort, both the prevalence of maternal cardiovascular comorbidities and CVD as well as the incidence of pregnancy-related cardiovascular complications within 1 year postpartum increased over the course of 2 decades.

Study context

Population
Pregnancies in a primary care EHR cohort, 2001–201938,996 individuals
Participants
56,833 pregnancies
Exposure
Pregnancies with vs without CV complications
Outcome
Trends in prevalence of maternal CV comorbidities and CVD and incidence of pregnancy-related CV complications
Follow-up
19 years

Main finding

As reported in the abstract

Prevalence of maternal CVD

4% (age-adjusted 8%)

Age-adjusted CVD prevalence, 2001 vs 2019

1% vs 7%; P<0.001

Incidence of pregnancy-related CV complications

15% (age-adjusted 17%)

Age-adjusted CV complication incidence, 2001 vs 2019

11% vs 13%; P<0.001

Observational data: associations, not effects.

Further findings

CV complications within 1 year postpartum, by maternal comorbidity (with vs without)

Diabetes
6% versus 3%
Hypertension
23% versus 5%
CVD
10% versus 3%
  • P<0.001 for all

Gestational age recovery by regular expressions

Pregnancies with gestational age recovered
75%
Correlation with manual review (Pearson r)
0.9

Original publication

Contemporary Burden of Cardiovascular Disease in Pregnancy: Insights From a Real-World Pregnancy Electronic Health Record Cohort. Circulation. Published 6 October 2025. doi:10.1161/circulationaha.125.074692

Summarised from the published abstract; every number is checked against it