Why train as a doula? What the research says about doula impact
If you’re considering training as a doula, you already know that something drew you to this work — an instinct, an experience, a conviction that birth deserves better. But what does the evidence actually say? What do we know, from rigorous research, about what doulas do and the difference they make?
The answer, it turns out, is quite a lot. Doulas are not just a feel-good addition to maternity care. The research consistently shows that skilled, continuous support during the childbearing year has measurable, significant effects — on birth outcomes, on mental health, on the experience of becoming a parent. And in the context of the UK’s current maternity landscape, that evidence has never mattered more.
What the Cochrane evidence says:
The most robust evidence on doula support comes from the Cochrane Collaboration, whose systematic reviews are considered the gold standard of healthcare research. The Cochrane review on continuous support in labour — which has now been updated multiple times and draws on 27 randomised controlled trials involving nearly 16,000 women across 17 countries — is unambiguous.
Women and birthing people who had continuous support during labour were more likely to give birth spontaneously, had shorter labours, and were less likely to need pain relief, instrumental delivery, or caesarean birth. Their babies were less likely to have low Apgar scores at five minutes. And women themselves reported fewer negative feelings about their birth experience.
Crucially, the review found that these benefits were greatest — and the effects most pronounced — when support was provided by someone in a doula role: that is, a person present solely to provide support, who is neither a member of the hospital staff nor a personal friend or family member. In other words, a trained, independent birth companion.
The review also found no evidence of harms from continuous labour support. None. In healthcare research, this combination — demonstrable benefits, zero identified harms — is genuinely rare.
“Doulas are a rare example of a healthcare practice found to have many benefits and no known harms.” — National Partnership for Women & Families, summarising the Cochrane evidence
Beyond the birth room: impact across the childbearing year
A major scoping review published in NPJ Women’s Health in 2025, drawing on 23 studies spanning the full pregnancy care continuum, confirmed that doula support reduces caesarean rates, preterm births, and labour duration, while also improving breastfeeding initiation rates and reducing stress and anxiety in new parents.
Breastfeeding matters more to outcomes than many people realise. Research from the University of Cambridge, drawing on a longitudinal study of over 10,000 mothers, found that women who planned to breastfeed and went on to do so were around 50% less likely to develop postnatal depression than those who had not breastfed. And one of the most common reasons women stop breastfeeding before they want to is a lack of skilled support in those early days — exactly the kind of support a postnatal doula is trained to provide.
There is also growing evidence that doula support reduces the risk of postnatal PTSD among women who have experienced traumatic or disempowering births, and that it improves mothers’ overall sense of satisfaction and control in what is one of the most significant experiences of their lives.
The UK context: why this work is urgent
You cannot talk about doulas in the UK without talking about maternity inequality. The MBRRACE-UK data, published in 2024, tells a stark story. Black women and birthing people are still three times more likely to die during pregnancy or in the six weeks after birth than white women. Women and birthing people from Asian ethnic backgrounds face almost twice the risk. Women and birthing people living in the most deprived areas of the UK are more than twice as likely to die compared to those in the least deprived areas.
These are not marginal statistics. They represent real people, and they represent a systemic failure of maternity care to reach and hear everyone equally. Birthrights, the UK’s leading maternity human rights organisation, has been clear: these disparities are driven by systemic racism and structural inequality, not by individual risk factors.
Doulas cannot fix structural racism. But trained doulas — particularly those who bring genuine cultural competency and a commitment to advocacy to their work — can make a meaningful difference to the experience and outcomes of individual families who are currently being failed by the system. Research in the United States specifically found that doula support helped buffer the harms of disrespectful care and racial bias for Black women in maternity settings. Culturally aligned community doula programmes have consistently shown improvements in outcomes for the most marginalised groups.
This is the context in which trained doulas are working, and in which the case for excellent doula training has never been stronger.
What ‘trained’ actually means
The Cochrane evidence specifically notes that the benefits of continuous support are associated with providers who have at least a modest amount of training. This matters. Compassion and lived experience of birth are genuinely valuable — but they are not sufficient on their own. The families who need doula support most are often navigating complex clinical environments, facing systemic barriers, or holding trauma that requires thoughtful, skilled response.
A well-trained doula understands the physiology of labour and birth — not to perform clinical tasks, but to understand what is happening and support the body’s natural processes. They understand how to hold space without projecting, how to advocate without overstepping, how to support a family through an unexpected outcome as well as a straightforward one. They understand their own scope of practice, and they understand when to refer.
At The Original Birth Connection, our Radical Full Spectrum Doula Training was built around this principle. Our graduates don’t just know how to be present — they know why that presence matters, what it changes, and how to show up in a way that is genuinely useful, respectful, and advocacy-led across the full spectrum of birth experiences.
The personal case, alongside the professional one
Most people who come to doula training don’t arrive because they read a Cochrane review. They arrive because of something they witnessed, something they felt, something they couldn’t unknow. A birth they were present for. A postnatal period that felt harder than it needed to be. An instinct that the system could do better and that they could be part of making that happen.
That instinct is worth trusting. And the research confirms it: this work makes a difference. Not because doulas are magic, but because continuous, skilled, non-judgmental support is something the current maternity system cannot consistently provide — and families need it.
If you’re asking whether there is a place for you in this work, the answer the evidence gives is clear. Trained doulas are needed. Skilled, reflective, advocacy-led doulas, who understand both the body and the system, are needed more than ever.
Ready to explore training?
Download our free guide to becoming a doula — it includes real experiences from practising OBC doulas and an honest overview of what the work involves. Or take a look at our Full Spectrum Doula Training to see what comprehensive, evidence-grounded, advocacy-led training looks like in practice.
Sources & further reading
Bohren et al. (2017). Continuous support for women during childbirth. Cochrane Database of Systematic Reviews. DOI: 10.1002/14651858.CD003766.pub6
Collins et al. (2025). Role of doulas across the pregnancy care continuum on maternal and child health: a scoping review. npj Women’s Health.
Borra, Iacovou & Sevilla (2015). New evidence on breastfeeding and postpartum depression. Maternal and Child Health Journal. DOI: 10.1007/s10995-014-1591-z
MBRRACE-UK (2024). Saving Lives, Improving Mothers’ Care: Maternal Mortality 2020–2022. National Perinatal Epidemiology Unit, University of Oxford.
Birthrights (2024). Response to MBRRACE-UK 2024 report. birthrights.org.uk