Postnatal depression: what maternity and childcare professionals need to know

This guide is written for maternity nurses, nannies, doulas, newborn care specialists and other practitioners who work in family homes during the postnatal period. You are often in the house for longer, and at stranger hours, than any health professional. That puts you in a position to notice things nobody else sees, and it raises a question most training never answers: what do you actually do about it?

What you are likely to be seeing

Postnatal depression is common. Between 10 and 15% of women experience postnatal depression after childbirth, and when the wider picture of perinatal mood and anxiety disorders is included, the figure rises to around one in five.

The more useful number for practitioners is the second one: most go unrecognised. Not untreated by choice, but never identified in the first place. Families do not always present the way training materials suggest. Stigma shapes what people are willing to say out loud, and it shapes it most strongly with the person they most want to appear competent in front of.

It is also worth separating three things that often get collapsed together. The 'baby blues' are brief, common and usually self-limiting. Postnatal depression is deeper and longer-lasting. Puerperal psychosis is a rare but serious condition requiring urgent medical attention. They are not points on a single scale, and treating them as one thing is how the serious cases get missed.

Intrusive thoughts are not warning signs

This is the single most useful thing an untrained practitioner can learn, because the instinct runs the other way. A mother who admits to a frightening thought about her baby is often met with alarm, and that reaction teaches her never to say it again. She then carries it alone, which is precisely what makes it worse.

Unwanted intrusive thoughts in new parenthood are near-universal. Published research puts the figure at between 70 and 100% of new mothers reporting unwanted, intrusive thoughts of infant-related harm, with around half reporting thoughts of intentional harm specifically. They do not reflect a parent's actual wishes or intentions.

The distinction that matters is a common one to get wrong. Ordinary intrusive thoughts and clinical obsessions are both unwanted and both distressing, so distress alone tells you very little. What separates them is how much time they occupy and how much impairment they cause. That is an assessment requiring clinical training, which is exactly why knowing when to hand over matters more than knowing how to judge it yourself.

The most important finding for practitioners to hold onto: the evidence indicates that unwanted postpartum intrusions of infant-related harm do not predict harming behaviour towards the infant. A distressed parent describing a frightening thought is not, on that basis, telling you their baby is at risk.

The symptoms most commonly missed

Postnatal depression is not just about feeling low. Individuals may:

• have no appetite, or over-eat for comfort
• feel that they cannot cope with their new baby
• feel anxious
• feel guilty
• feel afraid to be alone with their baby
• think life just isn't worth living

The presentations most often missed in practice are the ones that do not look like sadness. Anxiety that has tipped from ordinary vigilance into something clinical. Obsessive-compulsive presentations, which look different in new parenthood than they do elsewhere. Irritability and anger, which are frequently read as a difficult personality rather than a symptom. And the mother who appears to be coping extremely well, because high-functioning presentations are the easiest of all to walk past.

Birth trauma is a separate thread again. The same birth can be traumatic for one person and not for another, and the objective medical events are a poor predictor of who will be affected. What matters is how the experience was subjectively experienced, not how it reads in the notes.

When postnatal depression develops

• It usually develops within the first month following childbirth.
• It may develop out of severe 'baby blues'.
• Episodes of depression may be more common in mothers for many months after having a baby.
• Where postnatal depression stops and ordinary depression begins is unclear.

For practitioners on time-limited placements, this timing matters. A four-week booking that ends at six weeks postpartum may finish just before the point at which difficulties become most visible. What you hand over, and to whom, can matter as much as what you observed.

What raises the risk

The cause is not fully understood, but it is more likely if the individual:

• has suffered from depression before
• does not have a supportive partner, friends or family
• has a baby who is unwell
• lost their own mother when they were a child
• has had several stresses in a short space of time

The couple relationship is a factor that practitioners consistently underweight. It changes significantly after a birth, and that change has measurable clinical consequences. Partners are also affected in their own right, and are far less likely to be asked about it.

Where your role ends and a referral begins

This is the question most practitioners are genuinely unsure about, and getting it wrong runs in both directions. Overstepping causes harm. So does noticing something and doing nothing because you were not certain it was your place.

Within your scope: noticing changes, listening without judgement, providing practical relief, reducing isolation, normalising what is genuinely normal, and encouraging contact with a GP, midwife or health visitor.

Outside your scope: diagnosing, offering psychological treatment, advising on medication, or attempting to assess risk. Professional training in this area is for education and professional development. It does not qualify anyone to diagnose, treat or prescribe, and practitioners should always work within their professional scope and refer to appropriate clinical specialists where required.

Knowing the referral pathway before you need it is the practical difference. Who to refer to, when, and how to raise it are learnable, and they are considerably harder to work out in the moment.

How to raise a concern

Raising it badly is worse than not raising it, because it closes the door. A few principles hold up well in practice:

• Describe, do not diagnose. "I have noticed you have not been sleeping even when the baby does" is usable. "I think you have postnatal depression" is not yours to say.
• Ask, do not assume. Open questions leave room for an answer you did not expect.
• Do not react with alarm to a disclosure, particularly about intrusive thoughts. Your reaction determines whether there is a second conversation.
• Signpost concretely. "Your health visitor is the person for this, and you can ask for an appointment specifically about how you are feeling" is more useful than "you should get some help".
• Know the emergency route. If someone is in immediate danger, call 999. Samaritans is free on 116 123, day or night.

Looking after yourself

This work is emotionally demanding in specific and cumulative ways, and the effect builds quietly. Compassion fatigue is a recognised occupational risk for people who provide sustained emotional support, and practitioners working alone in family homes are particularly exposed to it because there is no team around them and no natural point at which the day gets debriefed.

Recognising it in yourself, and having strategies to sustain your wellbeing over a career rather than a placement, is a professional skill rather than a personal indulgence.

Training in perinatal mental health

Babyem's Perinatal Mental Health, Postnatal Depression & Birth Trauma course is an OCN accredited short course at Level 3 and Level 4, made up of nine modules and roughly six hours of self-paced content with lifetime access.

It is taught by three clinicians who work with these families in practice. Dr Emma Svanberg is an HCPC-registered Clinical Psychologist trained at UCL, with further training at the Tavistock & Portman, the Anna Freud Centre and the Institute of Psychoanalysis, and is the author of Why Birth Trauma Matters and Parenting For Humans. Dr Rebecca Moore is a Consultant Perinatal Psychiatrist with 20 years of NHS experience. The two of them co-founded Make Birth Better together, so this is an established clinical partnership rather than three separately booked speakers. Harriet Higgins spent 14 years providing specialist psychology in NHS children's centres.

The curriculum covers the transition to parenthood, birth trauma, perinatal depression and anxiety, OCD in new parenthood, complex trauma, the couple relationship, the parent-infant bond, referral pathways, and practitioner wellbeing. It is suitable for nannies, maternity nurses, doulas, midwives, health visitors and anyone else working with postnatal families.