Purpose of Review Postpartum psychosis is a psychiatric emergency that can affect the health and life of mothers, infants, and families. Postpartum psychosis (PPP) is distinct from non-postpartum psychosis in many ways, and it is crucial to study and understand PPP to identify, treat, and possibly prevent this condition. We therefore sought to review the latest research findings about PPP with the intention of updating readers about the latest evidence base. Recent Findings Multiple physiologic pathways have been implicated in the development of PPP, and further understanding these pathways may allow for early detection and treatment. Risk assessment and treatment should include consideration of the woman patient but also the mother-infant dyad and the larger family. Summary It is our hope that this review of research updates in postpartum psychosis may inform clinical practice and promote specialized, evidence-based diagnosis, risk assessment, and treatment.

In order to save children's lives, it is important to consider prevention of child homicide. Opportunities for prevention of neonaticide include increased access to sexual education, abortion, and prenatal care; vigilance of healthcare providers to risk factors, particularly lack of involvement in prenatal care; and engagement of psychiatric and social services when indicated. Safe Havens, baby boxes, and anonymous delivery may save lives. Regarding the killing of older infants, children, and adolescents, consideration of the motive is critical for prevention. Parental social support, parenting education, intervention in abuse and neglect cases, and provision of psychiatric services can help decrease risk. Further research is needed regarding effectiveness of preventive strategies.

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