A Call for Compassionate Health Communication

by Gould, H., Zaugg, C., Biggs, M. A., Woodruff, K., Long, W., Mailman, K., Vega, J., & Roberts, S. C. M. (2025).

Mandatory warning signs for cannabis: Perspectives and preferences of pregnant and recently pregnant people who use cannabis. 

Marijuana and the Risks to Pregnancy & Breastfeeding

Marijuana contains almost 500 components including the psychoactive ingredient THC that can pass through the placenta to the baby during pregnancy, causing harm to the fetus. When a breastfeeding mother uses marijuana, the baby can be exposed to THC and other toxins stored in the mother’s fat tissues, which are slowly released over time, even after the mother has stopped using marijuana.

Explore the various risks of marijuana use during pregnancy and breastfeeding through the resources below. Access expert insights, research updates, training courses, videos, and our new PhotoVoice project—designed to empower mothers with knowledge and support.

We’re launching an empowering initiative for mothers and mothers-to-be with lived experience of substance use in Florida. Lived experience could mean in treatment, recovery or affected by substance use in any way. This transformative project combines photography and storytelling to give participants a platform to share their experiences, connect with others, and advocate for healthier, drug-free futures for their families.

Through this six-month journey, participants will have the opportunity to connect with a supportive community, explore the power of visual storytelling, and contribute to meaningful change. This project aims to raise awareness about the importance of substance use prevention, celebrate the strength of mothers, and inspire collective action for healthier communities.

A recent qualitative study exploring the perspectives of people who used marijuana before or during pregnancy in states where mandatory warning signs (MWS) are required found that fear-based signs were ineffective in discouraging the purchase and use of marijuana, highlighting a crucial gap between intent and impact.

 

The study, which included a small sample size of 34 interviews, found that these signs often left pregnant individuals feeling judged, stigmatized, and perhaps defensive. While these signs are intended to deter marijuana use during pregnancy, pre- and post-partum, they may instead alienate pregnant people.

 

According to participants in this study, many found the warning signs unhelpful, vague, and even misleading. Some questioned the credibility of the sources of the facts provided, while others pointed out that the signs did little to change behavior, particularly since many had already made up their mind before entering the dispensary. Instead of prompting reconsideration, the signs triggered distrust, and for some, even shame.

 

A cause for greater concern is the study’s suggestion that MWS- marijuana signs may discourage pregnant people from seeking care or discussing marijuana use with healthcare providers. Fear of punishment, especially for marginalized communities, can create barriers to open conversations about substance use, leaving pregnant individuals without guidance and the support they deserve.

 

So, if fear-based messages are not effective, what is? Participants in the study offered a clear answer: health information should be evidence-based, clear, and supportive of autonomy. Rather than vague threats or legal warnings, people preferred messages that provided specific, research-backed information on the potential risks, allowing them to make informed choices about their health. Sources such as the American College of Obstetrics and Gynecologists and the CDC were considered more trustworthy, especially when they explained the biological mechanisms that make marijuana harmful and explicitly stated what is known and what still needs to be studied.

 

While the sample size of this study is small, it underscores an important point: to effectively communicate the known risks of marijuana during pregnancy and postpartum, we need science-based messaging that is both transparent and compassionate. And while researchers are still uncovering the full picture of how marijuana affects pregnancy; the existing science strongly suggests that marijuana use during pregnancy and postpartum is linked to many health risks for both parent and child.

 

Public health research often suggests that emphasizing positive, health-promoting behaviors is more effective than focusing solely on risk and punishment. For people who are already skeptical of government messaging, a more transparent and supportive approach may be the key to building trust and fostering meaningful conversations about marijuana use during pregnancy.

To ensure that the message about the risks of marijuana use during pregnancy reaches those who need it most, it is essential to avoid stigmatizing or alienating language that could undermine trust. Instead, we should focus on presenting science clearly and empathetically to promote informed decision-making.

Source: https://www.marijuanaknowthetruth.org/marijuana-and-pregnancy/

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