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Updated: Jul 22, 2026

Using Chronic Social Stress to Model Postpartum Depression in Lactating Rodents
Published on: June 10, 2013
The effect of peer support on postpartum depression: a pilot randomized controlled trial
1Faculty of Nursing, University of Toronto, Toronto, Ontario. cindylee.dennis@utoronto.ca
Telephone-based peer support significantly reduced depressive symptoms in high-risk mothers. This intervention, delivered by trained peers, showed high satisfaction and effectiveness in a pilot study.
Area of Science:
- Perinatal Mental Health
- Psychosocial Interventions
- Public Health
Background:
- Postpartum depression (PPD) affects a significant number of new mothers.
- Identifying and supporting high-risk mothers is crucial for maternal well-being.
- Existing postpartum care may not adequately address PPD symptomatology.
Purpose of the Study:
- To assess the efficacy of mother-to-mother peer support in mitigating depressive symptoms among high-risk mothers.
- To evaluate the impact of telephone-based peer support on postpartum depressive symptomatology.
- To determine maternal satisfaction with a peer support intervention.
Main Methods:
- A randomized controlled trial involving 42 high-risk mothers identified by the Edinburgh Postnatal Depression Scale (EPDS).
- Experimental group received standard care plus telephone peer support from trained mothers with prior PPD experience.
- Control group received standard community postpartum care; assessments at 4 and 8 weeks.
Main Results:
- The experimental group showed significantly lower rates of probable major depressive symptomatology at both 4 and 8 weeks compared to the control group.
- At 4 weeks, 10% of the experimental group vs. 40.9% of the control group scored above the PPD threshold (EPDS > 12).
- At 8 weeks, 15% of the experimental group vs. 52.4% of the control group scored above the PPD threshold; 87.5% satisfaction reported.
Conclusions:
- Telephone-based peer support is a potentially effective intervention for reducing depressive symptoms in postpartum mothers.
- The intervention demonstrated high maternal satisfaction and acceptance, indicating feasibility for larger trials.
- Peer support models offer a promising avenue for enhancing postpartum mental health care.
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