Mothers’ Intrusive Thoughts Are Mostly Benign. Lindsay Clancy’s Case Is an Exception.

After childbirth, intrusive thoughts occur in many mothers and typically do not lead to harmful behavior, according to mental health research. Lindsay Clancy was convicted in 2024 of killing her three children in Massachusetts in 2022 and reported experiencing intrusive thoughts related to harm. The distinction between intrusive thoughts as a common postpartum symptom and actions taken on such thoughts remains central to cases involving maternal harm.

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