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Updated: Sep 13, 2025

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
Associations between PTSD and pregnancy outcomes: systematic review and Meta- analysis
Natalie M Zitoun1, M Karen Campbell1,2,3,4,5, Joel Gagnier1,5,6
1Department of Epidemiology & Biostatistics, University of Western Ontario, London, ON, Canada.
Maternal Post-Traumatic Stress Disorder (PTSD) during pregnancy is linked to adverse infant outcomes, including lower birth weight and preterm birth. Early intervention and prevention of PTSD are crucial for improving maternal and neonatal health.
Area of Science:
- Reproductive Health
- Perinatal Mental Health
- Neonatal Outcomes
Background:
- Post-Traumatic Stress Disorder (PTSD) is a significant mental health condition affecting many women.
- PTSD during pregnancy may be an underlying factor in obstetric complications and adverse neonatal outcomes.
Purpose of the Study:
- To systematically review and meta-analyze the associations between maternal PTSD and pregnancy, obstetric, and neonatal outcomes.
Main Methods:
- A comprehensive literature search was performed across multiple databases (Google Scholar, PubMed, EMBASE).
- Included studies focused on perinatal PTSD and assessed pregnancy, obstetric, and neonatal outcomes.
- Meta-analysis used a random-effects model, with evidence evaluated by GRADE guidelines.
Main Results:
- 40 studies (157,708 pregnancies) were reviewed; 11,750 showed PTSD symptoms.
- Maternal PTSD was associated with smaller infant head circumference, feeding issues, reduced breastfeeding, and lower infant cortisol.
- Meta-analysis revealed increased risks for low birth weight (OR 2.05) and preterm birth (OR 1.23), though evidence quality was low.
Conclusions:
- Pregnancy-related PTSD is associated with adverse maternal and neonatal outcomes.
- Preventing and treating PTSD during pregnancy is essential for maternal, obstetric, and neonatal well-being.
- Further research is needed on the effects of pregnancy treatments for PTSD.
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