What does early evidence say about medical cannabis for children and pregnant women?

A review found emerging but very limited evidence that cannabis may help behavioral symptoms of autism and fetal alcohol spectrum disorder in children, and severe nausea in pregnancy.

Koren, Gideon et al.·Rambam Maimonides medical journal·2020·Preliminary EvidenceReview
RTHC-02655ReviewPreliminary Evidence2020RETHINKTHC RESEARCH DATABASErethinkthc.com/research

Quick Facts

Study Type
Review
Evidence
Preliminary Evidence
Sample
Not reported

What This Study Found

The review identified early-stage evidence for medical cannabis in three populations typically excluded from research: children with autism spectrum disorder (reduced behavioral symptoms), children with fetal alcohol spectrum disorder (improved behavioral outcomes), and pregnant women with hyperemesis gravidarum (reduced severe nausea).

Key Numbers

Three conditions reviewed: ASD in children, FASD in children, and hyperemesis gravidarum in pregnancy.

How They Did This

Narrative review of available clinical evidence for medical cannabis use in children and pregnant women, covering autism spectrum disorder, fetal alcohol spectrum disorder, and hyperemesis gravidarum.

Why This Research Matters

Children and pregnant women are typically excluded from cannabis research due to ethical concerns. This review highlights emerging clinical use in these populations and the urgent need for rigorous safety data.

The Bigger Picture

As medical cannabis use expands, clinicians are increasingly encountering these vulnerable populations. The gap between clinical practice and research evidence is especially wide here, raising both opportunity and risk.

What This Study Doesn't Tell Us

Narrative review; very limited evidence base for all three conditions; ethical constraints make controlled trials extremely difficult; long-term safety data for prenatal and pediatric cannabis exposure are lacking.

Questions This Raises

  • ?Can controlled trials be ethically designed for these populations?
  • ?What are the long-term developmental effects of prenatal cannabis exposure?

Trust & Context

Key Stat:
Three conditions reviewed in typically excluded populations
Evidence Grade:
Preliminary: narrative review with very limited evidence base; no controlled trials available for most applications.
Study Age:
Published 2020.
Original Title:
Medicinal Use of Cannabis in Children and Pregnant Women.
Published In:
Rambam Maimonides medical journal, 11(1), 1-5 (2020)
Authors:
Koren, Gideon(2), Cohen, Rana(2)
Database ID:
RTHC-02655

Evidence Hierarchy

Meta-Analysis / Systematic Review
Randomized Controlled Trial
Cohort / Case-Control
Cross-Sectional / ObservationalSnapshot without intervening
This study
Case Report / Animal Study

Summarizes existing research on a topic.

What do these levels mean? →

Frequently Asked Questions

Is medical cannabis proven safe for children or during pregnancy?

No. This review highlights emerging clinical use, but safety data remain extremely limited. The evidence is too early-stage to draw firm conclusions about either safety or efficacy.

Which conditions showed the most promise?

Behavioral symptoms of autism spectrum disorder had the most clinical reports, but all three conditions (ASD, FASD, hyperemesis gravidarum) had only preliminary evidence.

Read More on RethinkTHC

Cite This Study

RTHC-02655·https://rethinkthc.com/research/RTHC-02655

APA

Koren, Gideon; Cohen, Rana. (2020). Medicinal Use of Cannabis in Children and Pregnant Women.. Rambam Maimonides medical journal, 11(1), 1-5. https://doi.org/10.5041/RMMJ.10382

MLA

Koren, Gideon, et al. "Medicinal Use of Cannabis in Children and Pregnant Women.." Rambam Maimonides medical journal, 2020. https://doi.org/10.5041/RMMJ.10382

RethinkTHC

RethinkTHC Research Database. "Medicinal Use of Cannabis in Children and Pregnant Women." RTHC-02655. Retrieved from https://rethinkthc.com/research/koren-2020-medicinal-use-of-cannabis

Access the Original Study

Study data sourced from PubMed, a service of the U.S. National Library of Medicine, National Institutes of Health.

This study breakdown was produced by the RethinkTHC research team. We analyze and report published research findings without making health recommendations. All interpretations are based solely on the published abstract and study data.