Understanding Postpartum Psychosis: Warning Signs and Emergency Response

By Birth & Baby University · Last updated: October 2026 · 4 min read

Postpartum psychosis is far less common than postpartum depression and far more dangerous if missed. It can begin suddenly, the person affected may not realize they are ill, and the family may not know what they are seeing. This article summarizes what the reviews say, and sets out a response plan that fits the doula’s role.

Key takeaways

• Postpartum psychosis is a psychiatric emergency with risk for suicide and infanticide, according to a 2016 review in the American Journal of Psychiatry.
• Incidence of first-onset postpartum psychosis or mania in register studies is 0.25 to 0.6 per 1,000 births, and symptoms usually start suddenly in the first two weeks after birth, according to the NHS.
• Symptoms can include hallucinations, delusions, mania, confusion, rapidly changing moods and sleep disturbance.
• Inpatient care is usually required. Lithium and antipsychotics have the best evidence, and early treatment is associated with a favorable prognosis.

What the research says

How common, how soon

A 2016 review in the American Journal of Psychiatry reports register-based incidence of first-lifetime postpartum psychosis or mania of 0.25 to 0.6 per 1,000 births. After a first episode, 20 to 50 percent of women have isolated postpartum psychosis and the rest have episodes outside the perinatal period, usually within the bipolar spectrum. The review proposes that physiological changes after birth trigger the illness in genetically vulnerable women, notes that treatable causes such as thyroiditis, infections or encephalitis must be excluded, and says relapse risk after a later pregnancy is 31 percent (95% CI 22 to 42) for women with isolated postpartum psychosis. A 2025 systematic review of 12 studies, on psychosis and infanticide, states that untreated postpartum psychosis affects 1 in 1,000 women and is associated with a 4 percent infanticide rate, and identifies missed opportunities in screening, diagnosis and treatment. Because this figure derives from case reports and reviews of cases, it is an estimate and not a prediction for any individual.

What it looks like

The NHS page on postpartum psychosis lists hallucinations, delusions, mania (“feeling very high or overactive”), low mood, mixed or rapidly changing moods and confusion, and says symptoms usually start suddenly within the first two weeks, often within hours or days. It advises same-day urgent assessment and emergency services if anyone may be in danger of imminent harm, and notes that a person with postpartum psychosis may not realize they are ill. Its phone numbers are UK ones.

Treatment

A 2023 proposed treatment algorithm describes postpartum psychosis as a psychiatric emergency that generally warrants inpatient care, with sudden onset of affective and psychotic symptoms and rapid deterioration, evidence pointing to a combination of antipsychotics and lithium acutely, electroconvulsive therapy where rapid response is needed, lithium for relapse prevention, and an association between early treatment and favorable prognosis. The 2016 review adds that fewer than 30 publications focus on treatment and the largest study had 64 participants, so the evidence base is thin. These are decisions for psychiatric teams.

Screening

ACOG Clinical Practice Guideline No. 4 includes acute postpartum psychosis among the conditions covered for screening and diagnosis. Per ACOG’s own page it replaces Committee Opinion 757 (2018) on screening for perinatal depression. Its recommendation text is a member benefit, so this article cites its scope and not its specific recommendations.

What this means for doulas

• Treat suspected psychosis as an emergency. Sudden confusion, hallucinations, paranoia, extreme agitation, a manic state, or statements about harming self or baby are not “baby blues.” Call emergency services or go to an emergency department, and do not leave the parent or baby alone.
• Do not argue with delusions or try to diagnose. Stay calm, speak simply and keep the baby safe.
• Involve the family. The person may not recognize they are ill, so partners or relatives often need to take action.
• Know your reporting duties. Understand your certifying body’s and local requirements ahead of time.

Putting the evidence into practice

• Include a one-page emergency plan in postpartum client packets: warning signs, who to call and the family’s agreed plan.
• Pay extra attention in the first two weeks after birth and for clients with a history of bipolar disorder or earlier postpartum psychosis, whose providers may plan prevention.
• In the United States, emergency services (911) or the 988 line can be used in a crisis, and the National Maternal Mental Health Hotline (1-833-852-6262) offers support.
• After an emergency, support the family’s recovery and avoid blame. Relapse risk and prevention planning are for the clinical team.

The bottom line

Postpartum psychosis is rare but needs urgent action. Doulas are not the treatment. They are one of the people who may notice that something is very wrong and help the family reach emergency care quickly.

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

• Bergink V, et al. Postpartum Psychosis: Madness, Mania, and Melancholia in Motherhood. American Journal of Psychiatry 2016. Read the source
• Alford AY, et al. A systematic review of postpartum psychosis resulting in infanticide: missed opportunities in screening, diagnosis, and treatment. Archives of Women’s Mental Health 2025. Read the source
• National Health Service (UK). Postpartum psychosis. Web page, read 16 October 2026. Read the source
• Jairaj C, et al. Postpartum psychosis: A proposed treatment algorithm. Journal of Psychopharmacology 2023. Read the source
• ACOG Committee on Clinical Practice Guidelines-Obstetrics. Screening and Diagnosis of Mental Health Conditions During Pregnancy and Postpartum: ACOG Clinical Practice Guideline No. 4. Obstetrics & Gynecology 2023. 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

Knowing exactly what to do in a rare emergency is part of postpartum doula preparation. See the training and mentorship options on the For Doulas page.

More for professionals: the Professionals Blog.