About The Study: In a multicenter observational cohort, a composite adverse pregnancy outcome (small-for-gestational-age birth, medically indicated preterm birth, stillbirth, or hypertensive disorders of pregnancy) was more frequent in pregnant individuals with cannabis exposure ascertained by a urine drug assay compared with unexposed individuals. The risk for an adverse outcome was higher among those who continued to use cannabis beyond the first trimester.
Authors: Torri Metz, M.D., M.S., of University of Utah Health in Salt Lake City, is the corresponding author.
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(doi:10.1001/jama.2023.21146)
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