Multi-Fetal Pregnancy, Preeclampsia, and Long-Term Cardiovascular Disease

Lina Bergman, Paliz Nordlöf-Callbo, Anna Karin Wikström, Jonathan M. Snowden, Susanne Hesselman, Anna Karin Edstedt Bonamy, Anna Sandström

Research output: Contribution to journalArticlepeer-review

23 Scopus citations


This Swedish register-based cohort study determined the separate and joint contribution of preeclampsia and multi-fetal pregnancy on a woman's risk of cardiovascular disease (CVD) later in life. The study included 892 425 first deliveries between 1973 and 2010 of women born 1950 until 1971, identified in the Swedish Medical Birth Register. A composite outcome of CVD was retrieved through linkage with the National Patient and Cause of Death Registers. Cox proportional hazard regression was used to assess the risk of CVD in women who had preeclampsia in a singleton or multi-fetal pregnancy, adjusting for potential confounders, and presented as adjusted hazard ratios. Compared with women who had a singleton pregnancy without preeclampsia (the referent group), women with preeclampsia in a singleton pregnancy had an increased risk of CVD (adjusted hazard ratio 1.75 [95% CI, 1.64-1.86]). Women who had a multi-fetal pregnancy without or with preeclampsia did not have an increased risk of future CVD (adjusted hazard ratios 0.94 [95% CI, 0.79-1.10] and 1.25 [95% CI, 0.83-1.86], respectively). As opposed to preeclampsia in a first singleton pregnancy, preeclampsia in a first multi-fetal pregnancy was not associated with increased risk of future CVD. This may support the theory that preeclampsia in multi-fetal pregnancies more often occurs as a result of the larger pregnancy-related burden on the maternal cardiovascular system and excessive placenta-shed inflammatory factors, rather than the woman's underlying cardiovascular phenotype.

Original languageEnglish (US)
Pages (from-to)167-175
Number of pages9
Issue number1
StatePublished - Jul 1 2020


  • cardiovascular diseases
  • phenotype
  • preeclampsia
  • pregnancy
  • risk

ASJC Scopus subject areas

  • Internal Medicine


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