Rates of Prenatal Cannabis Use Among Pregnant Women Before and During the COVID-19 Pandemic
ABSTRACT
Cannabis use among pregnant women is common and has increased in recent years in the US, from an estimated 3.4% in 2002 to 7.0% in 2017.1 Pregnant women report using cannabis to relieve stress and anxiety,2 and prenatal cannabis use may have risen during the COVID-19 pandemic as pregnant women faced general and pregnancy-specific COVID-related stressors (eg, social isolation, financial and psychosocial distress, increased burden of childcare, changes in prenatal care, and concerns about heightened risks of COVID-19).3,4
Considered an essential business in California, cannabis retailers remained open during the pandemic with record sales in 2020.5 We used data from Kaiser Permanente Northern California (KPNC), a large integrated health care delivery system with universal screening for prenatal cannabis use to test the hypothesis that rates of prenatal cannabis use increased during the COVID-19 pandemic.
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