Here are some useful resources:
CDC Guideline for Prescribing Opioids for Chronic Pain
Pocket Guide: Tapering Opioids for Chronic Pain
A Collaborative Approach to the Treatment of Pregnant Women with Opioid Use Disorders
Opioid Use and Opioid Use Disorder in Pregnancy.
CDC Grand Rounds: Public Health Strategies to Prevent Neonatal Abstinence Syndrome
Clinical Guidance for Treating Pregnant and Parenting Women with OUD and Their Infants