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Updated: Jul 10, 2026

Using a Murine Model of Psychosocial Stress in Pregnancy as a Translationally Relevant Paradigm for Psychiatric Disorders in Mothers and Infants
Published on: June 13, 2021
Effects of institutional betrayal on postpartum PTSD: A longitudinal study
Andreea Tamaian1, Ayomide Danielle Adedun2, Bridget Klest3
1Correctional Services of Canada.
Objective:
The present study employed a longitudinal design (N = 171) to investigate the impact of institutional betrayal on women's postpartum posttraumatic stress disorder symptoms.
Method:
Online questionnaires were completed in the third trimester of pregnancy, at 1 month postpartum, and at 3 months postpartum.
Results:
Linear mixed-effects models revealed that after controlling for demographics, peripartum institutional betrayal predicted change in posttraumatic stress disorder symptoms over time.
Conclusions:
The findings from the present study provide clarity about the effect of institutional betrayal on postpartum posttraumatic stress disorder symptoms and point to the importance of prioritizing staff education and training in the medical system, as well as accountability and sensitivity in addressing patient complaints. (PsycInfo Database Record (c) 2026 APA, all rights reserved).
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