Sara Adams

Funding: This study was supported by grants R01DA047405 and K01DA043604 funded by the National Institute on Drug Abuse (NIDA) and grant R01DA048033 co-funded by NIDA and the Office of the Director, National Institutes of Health. The funding organizations had no role in the design and conduct of the study; collection, management, analysis, and interpretation of the data; preparation, review, or approval of the manuscript; or decision to submit the manuscript for publication.

Key Points Question Is prenatal cannabis use associated with maternal health outcomes during pregnancy? Findings In this cohort study of 316 722 pregnancies, prenatal cannabis use was associated with increased risk of gestational hypertension, preeclampsia, weight gain greater and less than guidelines, and placental abruption as well as reduced risk of gestational diabetes. No association was found with eclampsia, placenta previa, placenta accreta, or severe maternal morbidity.

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