This research explores how cannabis use during pregnancy may affect a baby’s development, with a focus on breathing and heart function. As cannabis use becomes more common, including during pregnancy, there is growing interest in understanding what this means for developing babies.
The review explains that substances in cannabis can cross the placenta and reach the fetus. Because a baby’s body and brain are still developing, these exposures can influence how key systems grow and function over time. This includes the brain, the placenta, and the systems that regulate breathing, heart rate, and overall development.
While research is still evolving, the evidence suggests that prenatal cannabis exposure may affect growth, development, and long-term health. At the same time, there are still gaps in knowledge, especially around how different amounts, types, and timing of use impact outcomes.
Reflection for FASD Prevention Conversation Facilitators
This research reinforces something we already know in practice: people are often making decisions about substance use during pregnancy based on the information, supports, and experiences available to them. For many, cannabis may be seen as helpful or low risk, especially when used to manage nausea, anxiety, or sleep.
For facilitators, this is a reminder that prevention conversations are not about correcting or judging. They are about creating space for honest dialogue, sharing clear and balanced information, and building trust. When we approach conversations with curiosity and respect, people are more open to exploring new information and reflecting on their choices.
This research also highlights how sensitive early development is, and how exposures during pregnancy can shape outcomes in ways we may not immediately see. That understanding can guide how we talk about risk, grounded, practical, and connected to what matters most to the person.
At its core, this is about support. When people feel safe, understood, and resourced, they are better able to make informed decisions. Prevention happens in those everyday moments of connection, not in perfect messaging, but in meaningful conversations.