Experiences Across Two Generations: What Research Teaches Us About Trauma, Prenatal Opioid Exposure, and Resilience
This Annual Research Review takes a different approach to understanding prenatal opioid exposure. Rather than focusing only on the child, the researchers examined how experiences across two generations—the pregnant mother and the child—work together to influence outcomes. The review summarizes evidence on how opioid use disorder, trauma, stress, poverty, mental health challenges, stigma, access to care, and prenatal opioid exposure can interact to affect both maternal well-being and child development.
One of the key messages of the review is that prenatal opioid exposure does not occur in isolation. Many pregnant women with opioid use disorder have experienced significant adversity, including trauma, mental health challenges, poverty, and stigma. These experiences can affect pregnancy, parenting, and child development alongside the direct effects of opioid exposure itself.
Overview of the Results
The review found that trauma and stress can affect both generations. Many women with opioid use disorder have histories of adverse childhood experiences (ACEs), trauma exposure, mental health conditions, and ongoing life stressors. These experiences can influence health during pregnancy and may affect the developing baby through biological stress-response systems.
Researchers noted that pregnant women with opioid use disorder often face multiple challenges at the same time. Approximately 36%–38% experience mood disorders such as depression, and about 20% are prescribed psychiatric medications during pregnancy. Mothers may also experience high levels of emotional dysregulation, inadequate nutrition, limited prenatal care, and other health conditions.
The review also highlights that trauma does not only affect the mother. Maternal stress, depression, anxiety, and inflammation may influence fetal development before birth through changes in stress hormones and other biological pathways. Researchers describe how these prenatal experiences may shape newborn neurobehavior, stress regulation, and later development.
After birth, the challenges often continue. Caring for an infant with Neonatal Abstinence Syndrome (NAS) or Neonatal Opioid Withdrawal Syndrome (NOWS) can be stressful, especially when combined with recovery, depression, anxiety, financial strain, or stigma. The review emphasizes that supportive caregiving relationships and family-focused interventions can help buffer children from the effects of early stress and improve long-term outcomes.
Summary in Plain English:
Trauma and Stress Affect Both Mother and Baby
Many women with opioid use disorder have experienced significant adversity, including childhood trauma, violence, poverty, and other stressful life experiences. These experiences can contribute to substance use disorders and affect health across the lifespan.
Approximately 36%–38% of pregnant women using opioids also experience mood disorders, such as depression, and about 20% receive psychotropic medications during pregnancy.
Maternal depression, anxiety, and chronic stress can affect biological systems involved in pregnancy, including inflammation and stress-hormone regulation. Researchers suggest these factors may influence fetal brain development and newborn behavior.
Impact on the Baby
About 50%–80% of infants with prenatal opioid exposure develop NAS/NOWS, although not all opioid-exposed infants experience withdrawal symptoms.
NAS/NOWS can include symptoms such as irritability, feeding difficulties, sleep challenges, tremors, excessive crying, and autonomic nervous system dysregulation.
Researchers found evidence that maternal stress and mental health may influence newborn neurobehavior and could affect the severity of withdrawal symptoms in some infants.
Children with prenatal opioid exposure are at increased risk for developmental, behavioral, emotional, and learning challenges, although outcomes vary widely from child to child.
The Role of Relationships and Support
The review found that postnatal factors matter greatly. Supportive caregiving, nurturing parent-child relationships, and access to services can help reduce the effects of early stress and improve developmental outcomes.
Research suggests that family and environmental factors account for approximately half of the differences in cognitive and motor outcomes between opioid-exposed and non-exposed children.
Positive parenting, strong home environments, and participation in preschool were identified as factors that can support healthier developmental outcomes.
What This Means for You
One of the most important messages from this review is that prenatal opioid exposure is only part of the story.
Many families affected by opioid use have also experienced trauma, loss, stress, stigma, or limited access to support. These experiences can affect both the pregnant mother and the developing child. The research suggests that understanding these challenges helps explain why children with prenatal opioid exposure may have a wide range of outcomes.
The Two-Generation Perspective
One of the most important insights from the review is that trauma responses are likely shaped by multiple interacting influences:
Prenatal opioid exposure
Maternal stress and trauma during pregnancy
Early caregiving experiences
Environmental adversity
Biological systems such as the gut-brain axis and stress-response systems
The authors argue that it is difficult—and often impossible—to separate these factors because they influence one another throughout development.
For caregivers, this is an important reminder:
Your child's development is influenced by many factors—not just prenatal opioid exposure.
Challenges you see today may reflect the combined effects of early stress, prenatal experiences, and ongoing environmental factors.
Supportive relationships matter. The bond between a caregiver and child can be a powerful protective factor.
Seeking support for caregiver well-being is not separate from helping a child—it is part of helping a child thrive.
Early intervention, nurturing caregiving, stable routines, and supportive environments can make a meaningful difference over time.
Most importantly, this review highlights that children with prenatal opioid exposure are not defined by their early experiences. While trauma and stress can affect development, children also have tremendous capacity for resilience. With informed caregivers, supportive relationships, and appropriate resources, opioid-exposed children can learn, grow, and thrive.
