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Peer-reviewedCC BY-NC 4.0Acta Obstetricia et Gynecologica Scandinavica

Preparedness for maternal and offspring health surveillance in pandemics: Lessons learned from studies on COVID‐19 using Scandinavian registry data

7 affiliations
  1. 1Centre for Fertility and Health Norwegian Institute of Public Health Oslo Norway
  2. 2Section of Epidemiology, Department of Public Health University of Copenhagen Copenhagen Denmark
  3. 3Statistics Denmark Copenhagen Denmark
  4. 4Department of Obstetrics and Gynecology Visby County Hospital Visby Gotland Sweden
  5. 5Division of Clinical Epidemiology Department of Medicine, Solna Karolinska Institutet Stockholm Sweden
  6. 6Department of Global Public Health and Primary Care University of Bergen Bergen Norway
  7. 7Department of Women's Health Karolinska University Hospital Stockholm Sweden

Abstract

When the COVID‐19 pandemic emerged, pregnant women were quickly identified as a high‐risk group. It became a priority to clarify any risks associated with COVID‐19 infection, and later vaccination, to pregnant women and their offspring. The Nordic registries constituted unique resources to quickly answer these questions. Our findings from the Nordic registries demonstrated that pregnant women with COVID‐19 face a higher risk of hospitalization compared to non‐pregnant women of reproductive age, and a higher risk of venous thromboembolism and stillbirth. However, the majority of studies proved no COVID‐19 associated risks of adverse pregnancy outcomes. We also provided reassuring evidence indicating no increased risk of miscarriage, stillbirth, congenital malformations, preterm birth, or other adverse neonatal outcomes in children born to mothers vaccinated against COVID‐19 during pregnancy. In this commentary, we highlight both opportunities and methodological challenges when using the Scandinavian health registries during an ongoing pandemic crisis.

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BibTeX
@article{magnus2026preparedness,
  title = {{Preparedness for maternal and offspring health surveillance in pandemics: Lessons learned from studies on COVID‐19 using Scandinavian registry data}},
  author = {Maria C. Magnus and Stine Kjaer Urhoj and Anne K. Örtqvist and Anne‐Marie Nybo Andersen and Siri E. Håberg and Olof Stephansson},
  journal = {Acta Obstetricia et Gynecologica Scandinavica},
  year = {2026},
  month = aug,
  doi = {10.1111/aogs.70330},
  url = {https://doi.org/10.1111/aogs.70330},
  note = {CC BY-NC 4.0},
}
RIS
TY  - JOUR
TI  - Preparedness for maternal and offspring health surveillance in pandemics: Lessons learned from studies on COVID‐19 using Scandinavian registry data
AU  - Maria C. Magnus
AU  - Stine Kjaer Urhoj
AU  - Anne K. Örtqvist
AU  - Anne‐Marie Nybo Andersen
AU  - Siri E. Håberg
AU  - Olof Stephansson
PY  - 2026
DA  - 2026/08/07
JO  - Acta Obstetricia et Gynecologica Scandinavica
DO  - 10.1111/aogs.70330
UR  - https://doi.org/10.1111/aogs.70330
AB  - When the COVID‐19 pandemic emerged, pregnant women were quickly identified as a high‐risk group. It became a priority to clarify any risks associated with COVID‐19 infection, and later vaccination, to pregnant women and their offspring. The Nordic registries constituted unique resources to quickly answer these questions. Our findings from the Nordic registries demonstrated that pregnant women with COVID‐19 face a higher risk of hospitalization compared to non‐pregnant women of reproductive age, and a higher risk of venous thromboembolism and stillbirth. However, the majority of studies proved no COVID‐19 associated risks of adverse pregnancy outcomes. We also provided reassuring evidence indicating no increased risk of miscarriage, stillbirth, congenital malformations, preterm birth, or other adverse neonatal outcomes in children born to mothers vaccinated against COVID‐19 during pregnancy. In this commentary, we highlight both opportunities and methodological challenges when using the Scandinavian health registries during an ongoing pandemic crisis.
SN  - 0001-6349
SN  - 1600-0412
ER  -