By Birth & Baby University · Last updated: October 2026 · 4 min read
Doulas often hear that continuous support protects maternal mental health. The truth is more modest. Some trials point that way, others find no difference, and the best-designed evidence on mental health outcomes specifically is limited. This article reviews it so you can describe your work accurately.
Key takeaways
- The Cochrane review of continuous support reported fewer depressive symptoms in two trials with postpartum depression data, which could not be combined, with one possibly a chance result and low-quality evidence.
- A randomized trial of community-based bilingual doulas in Sweden found no difference in postnatal emotional wellbeing or care ratings at 6 to 8 weeks.
- A pilot of 39 mothers with depressive symptoms showed postpartum doula support was feasible and well liked, and could not show effectiveness.
- In a small NICU trial, doulas identified and helped two parents in acute suicidal crisis, though screening scores did not differ significantly.

What the research says
Continuous labor support and postpartum depression
The Cochrane review of continuous support included 26 trials with 15,858 women. It found that women with continuous support were less likely to report negative feelings about childbirth (RR 0.69, 95% CI 0.59 to 0.79, low-quality evidence). For postpartum depression, data came from two trials that were not combined because of differences in women, hospitals and care providers. Both found fewer women developing depressive symptoms with support, though the authors noted this may have been a chance result in one study (low-quality evidence). No conclusions could be drawn about low-income settings. Postpartum depression was thus a minor, low-certainty part of the review.
A trial that found no mental health benefit
A randomized trial in Stockholm assigned 164 migrant women to community-based bilingual doula support plus standard care or standard care alone. At 6 to 8 weeks, there was no difference in satisfaction with intrapartum care (80.2 percent versus 79.1 percent very happy) or in mean Edinburgh Postnatal Depression Scale scores (4.71 versus 3.38; mean difference 1.33, 95% CI -0.10 to 2.75). Only 73.2 percent of women allocated to doula support received support during labor, and the authors called for larger studies. This trial addressed one model and setting and was not designed for rare outcomes.
Postpartum doula support
A 2013 pilot randomized trial of 39 mothers with depressive symptoms, assigned to postpartum doula support, peer telephone support or control, showed that recruitment was feasible, mothers were more satisfied with doulas than telephone support, and more women in the doula group were receiving depression treatment at 6 months. The groups differed at baseline in history of depression, and the study was too small to judge benefit. The authors recommended further research on postpartum doula support as an adjunct or alternative.
Community programs and a NICU model
A 2024 systematic review of 22 U.S. community-based perinatal mental health interventions, 18 delivered by community health workers, nurses, midwives or doulas, found mixed effectiveness and cited small samples and interventions not developed specifically for mental health. In the six-month secondary analysis of the PeliCaN trial of doula-coordinated, midwife-delivered care for NICU parents, 34 participants completed screening, and Edinburgh and PTSD checklist scores were lower in the intervention group but not significantly (EPDS 4.82 versus 5.82; PCL-5 18.7 versus 22.2). Two intervention participants whose babies died disclosed acute suicidality to their doulas outside formal screening and were connected to emergency psychiatric care. That is an exploratory observation in a very small trial, but it illustrates a doula’s role as a trusted person who may hear what screening misses.

What this means for doulas
- Describe the evidence honestly. “Support is associated with a better birth experience in trials, and research on mental health outcomes is mixed and limited” is accurate. “Doulas prevent postpartum depression” is not supported.
- Treat your role as connection, not treatment. Presence, listening and referral are what the better-supported findings suggest.
- Be ready for disclosure. The NICU example shows clients may tell a doula about suicidal thoughts. Know your crisis steps in advance.
- Do not claim to substitute for screening or therapy. Encourage clients to complete screening with their clinicians.
Putting the evidence into practice
- Keep a crisis plan that includes emergency services, 988 and the National Maternal Mental Health Hotline (1-833-852-6262).
- Ask about mood and sleep at every postpartum contact, not only when you are worried.
- Record, with permission, when you made a referral and follow up on it.
- Be transparent in marketing: avoid health outcome claims that are beyond the research.
The bottom line
Doula support is valued, and there are plausible, partial signals for emotional benefits, but the research does not yet show a reliable effect on postpartum depression or anxiety. Doulas help most by connecting, noticing and referring, and by describing their work with care.
This article is for professional education. It is not medical, legal or tax advice. Check the standards of your certifying organization and the rules where you work.
Sources and further reading
- Bohren MA, et al. Continuous support for women during childbirth. Cochrane Database of Systematic Reviews 2017. Read the source
- Schytt E, et al. Community-based bilingual doula support during labour and birth to improve migrant women’s intrapartum care experiences and emotional well-being: findings from a randomised controlled trial in Stockholm, Sweden. PLoS ONE 2022. Read the source
- Gjerdingen DK, et al. Postpartum doula and peer telephone support for postpartum depression: a pilot randomized controlled trial. Journal of Primary Care and Community Health 2013. Read the source
- Scroggins JK, et al. A systematic review of community-based interventions to address perinatal mental health. Seminars in Perinatology 2024. Read the source
- Zafman KB, et al. Six-month mental health outcomes among participants in a postpartum care in the NICU (PeliCaN) trial: secondary analysis of a randomized controlled trial. Maternal Health, Neonatology and Perinatology 2026. Read the source
- National Institute of Mental Health. Perinatal Depression. NIH web page, read 16 October 2026 (National Maternal Mental Health Hotline, 1-833-852-6262; 988 Suicide and Crisis Lifeline). Read the source
- Office on Women’s Health, U.S. Department of Health and Human Services. Postpartum depression. Web page (page dated October 17, 2023), read 16 October 2026. Read the source
Understanding what the evidence does and does not show helps doulas speak honestly about their work. See the training and mentorship options on the For Doulas page.
More for professionals: the Professionals Blog.
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