Preconception Intervention for Incarcerated Women With Substance Use

Inclusion Criteria: * English-speaking * Capable of becoming pregnant (did not undergo a permanent sterilization procedure and not using a highly effective long-acting reversible birth control method, i.e. intrauterine device or implant.) * During the three year prior to arrest or entering the treatment program engaged in vaginal sex with a male partner. * During the three months prior to arrest or entering the treatment program used at least one substance (heroin, fentanyl, opioids, cocaine, methamphetamine, or marijuana or alcohol with another substance). * (For women recruited from the MAT Program): Expected length of incarceration at the St. Louis County Jail 2-6 months; expected release into the community. Exclusion Criteria: * Participated in a focus group that was part of the formative work for this study to create the intervention adaptation * Non-English-speaking * Not capable of pregnancy (underwent a permanent sterilization procedure or using a long-acting reversible contraceptive method) * No vaginal sex with a male partner in the 3 years prior to incarceration or entering the treatment program. * No use of an illicit substance, such as only alcohol or marijuana use not in combination with another substance