278: Postpartum OCD vs Postpartum Psychosis: Intrusive Thoughts of Infant Harm, How to Screen, and Lithium Prevention with Dr. Katie Unverferth
September 3, 2026
AI Summary
5 min readIntrusive thoughts of harming an infant are nearly universal in the postpartum period — 100% of new mothers report accidental harm thoughts, and about 50% have intentional harm thoughts like smothering the baby with a pillow. The critical clinical distinction, as Dr. Katie Unverferth explains, is not the content of the thought but the mother's reaction to it. When a mother is horrified by the thought, that distress signals the thought is ego-dystonic — against her values — and makes her less likely to act on it. This is fundamentally different from psychotic thoughts, which are ego-syntonic and lack that horror response. Understanding this distinction allows clinicians to properly screen, reassure, and treat without triggering unnecessary fear or reporting.
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What you'll learn
- 1 (00:13) **Welcome & Episode Overview** - Dr. Katie Unverferth is introduced as Director of the UCLA Women's Life Center; the episode will cover the spectrum from normal postpartum intrusive thoughts to OCD and the critical differentiation from postpartum psychosis.
- 2 (01:31) **Normalizing Intrusive Thoughts in Pregnancy & Postpartum** - Dr. Unverferth explains that intrusive thoughts are near-universal, often attaching to what you value most.
- 3 (03:32) **The Horror as a Clinical Sign** - The patient's horror tells you the thought is ego-dystonic, ruling out psychosis in most cases, but a full evaluation is still needed.
- 4 (04:47) **How to Ask About Intrusive Thoughts Without Scaring the Patient** - The strategy is to start with psychoeducation to normalize the experience before ever asking a question.
- 5 (06:27) **The Impact of High-Profile Cases (e.g., Lindsay Clancy)** - The news can amplify intrusive thoughts, especially the fear of losing control, but actual infant harm is extremely rare.
- 6 (08:48) **The Line Between Normal Intrusive Thoughts and Postpartum OCD** - The difference is in the appraisal of the thought and the behavioral response to it.
- 7 (10:13) **Common Compulsions & Rituals in Postpartum OCD** - Checking the baby's breathing, avoiding knives, refusing to be alone with the infant, and reassurance-seeking (including Googling and using ChatGPT).
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Show Notes
In this episode of the Podcast, Dr. David Puder sits down with reproductive psychiatrist Dr. Katie Unverferth, Director of the UCLA Women's Life Center and Medical Director of the UCLA Maternal Mental Health Program, to clarify the critical differences between common postpartum intrusive thoughts of infant harm, postpartum OCD, and true postpartum psychosis. They discuss how nearly all new mothers experience ego-dystonic thoughts of accidental or intentional harm, how to screen without triggering concealment, when severity and compulsions cross into OCD, the role of high-dose SSRIs plus exposure and response prevention (ERP), red-flag signs of ego-syntonic content, agitation, insomnia, and delirium-like states that signal psychosis, and the strong evidence for lithium prophylaxis and acute treatment in high-risk patients.
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