27-year-old Woman, in Medicine / Internal Medicine — 27yo Woman | Psychiatry | SMLE Q#1437
SMLE Question #1437
Medicine / Internal Medicine
Psychiatry
Last updated: February 2026
A 27-year-old woman, 3 months postpartum, has recurrent intrusive thoughts several times daily that a snake may be in her infant’s crib. She finds the thoughts distressing, recognizes they are excessive, and attempts to suppress them. To reduce anxiety, she checks the crib 40–50 times daily, causing sleep disruption and impaired functioning. She denies suicidal or infanticidal intent and has no hallucinations, fixed false beliefs, confusion, or markedly disorganized behavior. What is the most likely diagnosis?
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