Opioid Use Disorder in Pregnancy in Long-Term Maternal/Infant Outcomes

This clinical trial, titled "Opioid Use Disorder in Pregnancy in Long-Term Maternal/Infant Outcomes" (study ID: NCT03923374), is following pregnant women who are being treated for opioid use disorder (OUD) with buprenorphine to track long-term health outcomes for both mothers and their babies. Opioid use disorder during pregnancy is a major public health concern, and buprenorphine is the standard treatment to help manage it safely. This study aims to understand how mother and infant outcomes unfold over time, which can help improve care for this vulnerable population. The study is open to women aged 18 and older who are currently pregnant with a single baby, are taking buprenorphine as part of an antenatal OUD treatment program, and plan to deliver at Methodist, University, or Riley Hospital. Women with serious medical complications or fetuses with known major birth defects are not eligible. You may be eligible if you: - Are a woman aged 18 or older - Are currently pregnant (single pregnancy) - Are enrolled in a prenatal opioid maintenance program and taking buprenorphine - Plan to deliver at Methodist, University, or Riley Hospital You may NOT be eligible if you: - Have a serious maternal medical illness as deemed by the study physician - Have a fetus or newborn with known or suspected major congenital abnormalities Talk to your doctor to see if this trial is right for you.