Improvement of postpartum depression and psychosis after electroconvulsive therapy: A population-based study with a matched comparison group.

Introduction: Electroconvulsive therapy (ECT) is used to treat postpartum depression and psychosis based on clinical experience and small observational studies.

Aims: The primary aim was to test the hypothesis that the response rate to ECT for depression and psychosis is higher during the postpartum period than outside this period. The secondary aim was to identify predictors of a response to ECT during the postpartum period.