RecruitingBehavioural interventionPostpartum Intervention for Mothers With Opioid Use Disorders (R33)Having met the milestones of the R61, this R33 is a 2-site, 2-group, pre/post RCT of mothers with OUD (n=\~80/group). We will test whether the beneficial pre-post changes in OUD mothers randomized to vMP exceed those of mothers assigned to Enhanced Usual Care (EUC) and via changes in Maternal Brain Neurocircuits.