• Am J Prev Med · Nov 2022

    Trends and Characteristics of Prenatal Cannabis Use in the U.S., 2002-2019.

    • Omayma Alshaarawy and Alyssa Vanderziel.
    • Department of Family Medicine, College of Human Medicine, Michigan State University, East Lansing, Michigan. Electronic address: alshaara@msu.edu.
    • Am J Prev Med. 2022 Nov 1; 63 (5): 846851846-851.

    IntroductionThe prevalence of prenatal cannabis use has nearly doubled in the U.S. from 2002 to 2017. As cannabis legalization continues to expand, this study aimed to estimate the recent trends in the prevalence of cannabis use, cannabis dependence, and cannabis risk perceptions among U.S. pregnant people.MethodsThe National Survey on Drug Use and Health (2002-2019) was designed to be representative of the U.S. civilian non-institutionalized population. The study sample included pregnant participants (aged 12-44 years; n=15,109). Cannabis consumption was defined as using cannabis at least once in the 30 days before assessment. Past 12‒month cannabis dependence was defined on the basis of the DSM-IV. Joinpoint regression was used to test for significant changes in the trends while controlling for age, race/ethnicity, and family income. Analyses were conducted between August 2021 and April 2022.ResultsNo evidence of change in the prevalence of prenatal cannabis use was detected between 2016-2017 (5.8%) and 2018-2019 (4.7%) (prevalence difference= -1.1; 95% CI= -2.9, 0.7). The prevalence of cannabis dependence did not change significantly among pregnant people from 2002 to 2019. The percentage of pregnant people perceiving regular cannabis use (1-2 times/week) as a great risk remained stable from 2002 to 2007 (∼53%) and declined sharply after (27%).ConclusionsThree of 4 pregnant people in the U.S. do not characterize regular cannabis use as a great risk. As cannabis legalization increases, public health efforts are needed to raise awareness of the possible harms associated with cannabis use.Copyright © 2022 American Journal of Preventive Medicine. Published by Elsevier Inc. All rights reserved.

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