Pregnancy‐Associated Maternal Mortality Within One Year After Childbirth: Population‐Based Cohort Study
2024

Maternal Mortality After Childbirth in Norway

Sample size: 1237254 publication 10 minutes Evidence: high

Author Information

Author(s): Arshad Nadia, Skjærven Rolv, Klungsøyr Kari, Sørbye Linn Marie, Kvalvik Liv Grimstvedt, Morken Nils‐Halvdan

Primary Institution: University of Bergen

Hypothesis

How do pregnancy complications affect maternal mortality within one year after childbirth?

Conclusion

Complications in the last pregnancy were more strongly associated with maternal mortality than those in the first pregnancy.

Supporting Evidence

  • Pregnancy complications significantly increase the risk of maternal mortality.
  • Maternal mortality decreased over the study period from 1967 to 2020.
  • Perinatal death and preterm birth were strongly associated with increased maternal mortality.

Takeaway

Moms who have problems during their last pregnancy are more likely to die within a year after having their baby compared to those who didn't have problems.

Methodology

The study used logistic regression to analyze data from the Medical Birth Registry of Norway and the Cause of Death Registry.

Potential Biases

Possible misclassification of complications due to changes in reporting formats over time.

Limitations

Some potential confounders like smoking and body mass index were not recorded, and there may be underreporting of complications in earlier years.

Participant Demographics

Mothers with singleton pregnancies in Norway from 1967 to 2020.

Statistical Information

Confidence Interval

95% CI

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1111/1471-0528.17985

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