# Understanding Placental Changes from Prenatal Cannabis Exposure > **Author:** Benjamin Caplan, MD (ABFM Board Certified, MA Lic. #240562, NPI: 1962722637) > **Publisher:** CED Clinic (https://cedclinic.com) > **Canonical URL:** https://cedclinic.com/placental-changes-prenatal-cannabis-exposure-impact/ > **Published:** 2026-04-18T22:27:13-04:00 | **Last Modified / Clinically Audited:** 2026-09-28T10:18:46-04:00 > **Clinical Summary:** Explore placental changes from prenatal cannabis exposure and their impact on fetal neurodevelopment and long-term child outcomes. --- ✦ New CED Clinical Relevance #75 Strong Clinical Relevance High-quality evidence with meaningful patient or clinical significance. ResearchSafetyPediatrics[Mental Health](https://cedclinic.com/cannabis-psychiatric-research-findings-depression-anxiety/)Neurology Why This Matters Clinicians need this information to provide evidence-based counseling to pregnant patients about [cannabis use](https://cedclinic.com/cannabis-cardiovascular-health-insights-2024/), as research demonstrates lasting neurodevelopmental effects that extend beyond infancy into early adulthood. Understanding these long-term impacts helps practitioners make informed recommendations about pregnancy safety and supports patients in making decisions that could affect their child’s cognitive and behavioral development. Clinical Summary Emerging research indicates that prenatal cannabis exposure is associated with neurodevelopmental effects that persist into young adulthood, raising important considerations for clinicians counseling reproductive-age patients. These longitudinal findings suggest that cannabinoid exposure during critical developmental windows may have enduring cognitive, behavioral, or neuropsychiatric consequences beyond the neonatal period. The evidence underscores the need for obstetricians, primary care physicians, and addiction specialists to implement robust screening and counseling protocols regarding cannabis use in pregnant and potentially pregnant patients. Given the increasing availability and normalization of cannabis products, many patients may not appreciate the magnitude of risk to fetal neurodevelopment, making explicit clinical education essential. Clinicians should document cannabis counseling in the same manner as alcohol and tobacco use and consider referral to specialized prenatal care when exposure has occurred. Patients planning pregnancy or currently pregnant should be informed that cannabis use during gestation may have long-term developmental implications for their offspring that warrant complete avoidance. Dr. Caplan’s Take “The evidence we have now clearly shows that cannabis exposure in utero affects neurodevelopment in ways that persist into early adulthood, and as clinicians we have to take that seriously when counseling pregnant patients, regardless of the cultural shift toward cannabis acceptance.” Clinical Perspective The emerging evidence on prenatal cannabis exposure and long-term neurodevelopmental outcomes presents a significant clinical challenge given the incomplete mechanistic understanding and heterogeneity across existing studies. While some research suggests associations between in-utero cannabis use and behavioral or [cognitive effects](https://cedclinic.com/cannabis-related-cognitive-effects-memory/) extending into early adulthood, practitioners must recognize that many studies are observational with potential confounding from concurrent [substance use](https://cedclinic.com/stroke-risk-assessment-substance-use/), socioeconomic factors, and prenatal care access that may not be adequately controlled. The clinical picture is further complicated by variations in cannabinoid potency, exposure timing during pregnancy, and measurement of developmental outcomes across different cohorts. Given these limitations, obstetricians and pediatricians should counsel pregnant patients that current evidence supports avoiding cannabis during pregnancy as a precautionary approach, while acknowledging that long-term risks remain incompletely characterized and communicating honestly about the knowledge gaps that may evolve as longitudinal studies mature. 💬 Join the Conversation Have a question about how this applies to your situation? [Ask Dr. Caplan →](https://benjamincaplan.com/ask-dr-caplan) Want to discuss this topic with other patients and caregivers? [Join the forum discussion →](https://cedclinic.com/interact/discussion-forums/forum/cannabis-related-research/) Have thoughts on this? Share it: [𝕏 Share on X](https://twitter.com/intent/tweet?text=Just+read+this+on+CEDclinic.com%3A+Impact+of+cannabis+during+pregnancy+-+YouTube+%40drcaplan&url=https%3A%2F%2Fm.youtube.com%2Fshorts%2FFA_PB53XAdA)[in Share on LinkedIn](https://www.linkedin.com/sharing/share-offsite/?url=https%3A%2F%2Fm.youtube.com%2Fshorts%2FFA_PB53XAdA)[🦅 Share on BlueSky](https://bsky.app/intent/compose?text=Just+read+this%3A+Impact+of+cannabis+during+pregnancy+-+YouTube+--+via+%40drcaplan.bsky.social+https%3A%2F%2Fm.youtube.com%2Fshorts%2FFA_PB53XAdA)[📷 Follow on Instagram](https://www.instagram.com/drbenjamincaplan/)[📝 Read more on Substack](https://substack.com/@doctorapproved)[🔔 Subscribe via RSS](https://cedclinic.com/category/cannabis-news/feed/) Related Articles - [CED Digest: 230 Items — March 15, 2026](https://cedclinic.com/cannabis-compounds-fatty-liver-clinical-relevance-2026/) - [CED Digest: 436 Items — March 14, 2026](https://cedclinic.com/cannabis-compounds-fatty-liver-disease-2026/) - [CED Digest: 405 Items — March 12, 2026](https://cedclinic.com/alabama-medical-cannabis-sales-2026-spring-launch/) 📰 Source: [https://m.youtube.com/shorts/FA_PB53XAdA](https://m.youtube.com/shorts/FA_PB53XAdA) Further Reading CED Clinic Blog[Why Cannabis Works](https://cedclinic.com/why-cannabis-works/) Evidence Watch[Cannabis and Heart Health](https://cedclinic.com/cannabis-cardiovascular-health-study/) CED Clinic Blog[Cannabis for Sleep](https://cedclinic.com/cannabis-for-sleep/) [https://cedclinic.com/contact/](https://cedclinic.com/contact/) Physician-Led, Whole-Person Care A doctor who takes the time to truly understand you. Personal care that starts with listening and is guided by experience and ingenuity. Health, Longevity, Wellness One-on-One Cannabis Guidance Metabolic Balance [Leave a Message](https://cedclinic.com/contact/) [Metabolic Care](https://cedclinic.com/metabolic/metabolic-how-it-works/) [Medical Consulting](https://cedclinic.com/book/) [Cannabis Care](https://cedclinic.com/book/) [https://cedclinic.com/contact/](https://cedclinic.com/contact/) RELATED READING AT CED CLINIC Continue exploring the evidence [Placental Changes From Prenatal Cannabis Exposure Could Flag Higher Schizophrenia …](https://cedclinic.com/prenatal-cannabis-exposure-placental-gene-expression-schizophrenia-risk/) Explore how prenatal cannabis exposure affects placental function and potential links to schizophrenia risk. [Read More](https://cedclinic.com/prenatal-cannabis-exposure-placental-gene-expression-schizophrenia-risk/) [Dartmouth Health targets treatment gap for pregnant patients with SUD](https://cedclinic.com/dartmouth-health-targets-treatment-gap-for-pregnant-patients-with-sud/) Learn about efforts to improve care and counseling for pregnant patients with [substance use disorders](https://cedclinic.com/cannabinoid-clinical-trials-mental-disorders-evidence-2/) including cannabis. [Learn More](https://cedclinic.com/dartmouth-health-targets-treatment-gap-for-pregnant-patients-with-sud/) [Study of 11000 US Teens Links Cannabis Use to Slower Brain Development – Science Alert](https://cedclinic.com/cannabis-use-adolescent-brain-maturation-risks-study/) Review research linking cannabis use to slower brain development, highlighting concerns for prenatal exposure effects. [Explore Study](https://cedclinic.com/cannabis-use-adolescent-brain-maturation-risks-study/) ### Related --- ### Verification & Medical Governance - **Lead Clinical Author:** Benjamin Caplan, MD - **Credentials:** Board Certified in Family Medicine (ABFM), Former CMO Canna Care Docs (250,000+ patients supervised), Founder & CMO CED Clinic & CED Foundation, Author of *The Doctor-Approved Cannabis Handbook* (Penguin Random House). - **Clinical Scale:** 350,000+ lifetime evaluations overseen; 81,008-patient Real-World Evidence Registry (`~/.ced_rwe_vault.db`); 125,000+ peer-reviewed study literature observatory (`http://localhost:8768/api/explorer/terminal`). - **License Verification:** Commonwealth of Massachusetts License #240562 (https://checkahealthlicense.mass.gov/). - **NPI Registry:** 1962722637 (https://npiregistry.cms.hhs.gov/provider-view/1962722637). - **Ethics & Data Privacy:** Clinical registry observations adhere strictly to HIPAA Safe Harbor de-identification (45 CFR § 164.514(b)) and criteria for secondary research exemption under 45 CFR § 46.104(d)(4).