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Integrating Social and Clinical Determinants of Pre-Eclampsia A Hierarchical Systematic Review and Conceptual Framework for Prevention

  • The PRECISE Network
  • , Mai Lei Woo Kinshella
  • , Jeffrey N. Bone
  • , Terteel Elawad
  • , Hiten D. Mistry
  • , Laney Poye
  • , Eleni Tsigas
  • , Deepika Devadas
  • , Violet Mateljan
  • , Marie Laure Volvert
  • , Marianne Vidler
  • , Hannah Blencowe
  • , Véronique Filippi
  • , Laura A. Magee
  • , Peter von Dadelszen
  • King's College London
  • University of British Columbia
  • BC Children's Hospital Research Institute
  • Royal Free London NHS Foundation Trust
  • University of Leicester
  • Preeclampsia Foundation
  • Preeclampsia Foundation Canada
  • London School of Hygiene and Tropical Medicine

Research output: Contribution to journalArticlepeer-review

Abstract

Background: Pre-eclampsia is a leading cause of maternal and perinatal morbidity and mortality, with risk factors reported across a vast literature base fragmented between social and clinical factors. 

Objective: To develop a comprehensive conceptual framework of the strongest risk factors and their relationships contributing to pre-eclampsia incidence. 

Search Strategy: Medline, Embase, Health Technology Assessments and Database of Abstracts of Reviews of Effects, Cochrane Library were searched. Selection Criteria: Reviews, randomized controlled trials and cohort studies (> 1000 participants), reporting social and clinical factors associated with pre-eclampsia were included. 

Data Collection and Analysis: The strongest factors, defined as those with at least moderate strength of association and quality of evidence using GRADE, were compiled from our previously published individual frameworks to create a combined conceptual framework. Indirect associations were searched and the strongest indirect factors were added. 

Main Results: The conceptual framework integrated 35 social and clinical determinants of pre-eclampsia. Key modifiable factors included BMI, interlinked with chronic hypertension/elevated blood pressure in early pregnancy, type 2 diabetes mellitus, and obstructive sleep apnoea, as well as antenatal care attendance, interconnected with maternal/work stress and prenatal micronutrient supplementation. Other modifiable factors included smoking, antiphospholipid syndrome, infection, exposure to occupational hazards, distance to health facility, maternal heat exposure in early gestation, and UV-B exposure. 

Conclusion: There are strong social factors alongside clinical factors associated with pre-eclampsia incidence. Interwoven relationships between factors highlight the multifactorial aetiology of pre-eclampsia. Many determinants were potentially modifiable, which provides actionable intervention points for clinical care and public health strategies.

Original languageEnglish
JournalBJOG: An International Journal of Obstetrics and Gynaecology
DOIs
Publication statusPublished - 14 Apr 2026

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

Keywords

  • conceptual framework
  • determinants of health
  • pre-eclampsia
  • social and clinical

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