Postpartum retention in opioid agonist treatment for opioid dependence: A population-based cohort study

Among women on OAT at childbirth, postpartum treatment retention was high but varied across subgroups. Lower retention among women who initiated OAT late in pregnancy or with social or clinical risk factors highlights the need for targeted support. Lower buprenorphine retention warrants ongoing monitoring and tailored care, particularly in settings where it is the preferred treatment during pregnancy.