Pregnancy Cannabis Abuse Triples Postpartum Psychosis Risk

A massive population-level epidemiological study of more than 2 million California hospital deliveries reveals that women diagnosed with cannabis use disorder during pregnancy face a threefold higher risk of requiring emergency psychiatric care during their first year postpartum. Conducted by researchers at UC Merced, Michigan State University, and UCLA, and published in the Annals of Epidemiology, the investigation revealed that 10% of pregnant women with cannabis use disorder had an acute postpartum psychiatric emergency visit, compared to under 3% of unexposed mothers. Tracking deliveries from 2016 through 2021, coinciding with recreational cannabis legalization, the authors recorded a 40% surge in gestational cannabis use disorder diagnoses, highlighting an urgent public health need for routine clinical screening and evidence-based maternal mental health support.

As legal access to recreational and medicinal cannabis expands across North America, public perception of the drug has increasingly shifted toward regarding it as a benign, natural remedy. Driven in part by social media trends and commercial dispensaries marketing products for hyperemesis gravidarum (severe morning sickness), anxiety, and insomnia, an increasing number of expectant mothers perceive cannabis as a low-risk botanical alternative to conventional prescription psychotropics.

However, clinical reality often conflicts with popular perception. In a longitudinal epidemiological study analyzing state-mandated hospital discharge registries covering more than 2 million deliveries, researchers from the University of California, Merced, Michigan State University, and the University of California, Los Angeles, uncovered a strong association between problematic gestational cannabis consumption and severe psychiatric decompensation following childbirth.

Published in the Annals of Epidemiology, the research demonstrates that women diagnosed with cannabis use disorder (CUD) during pregnancy are more than three times as likely to require emergency department intervention for severe psychiatric disorders within the postpartum year compared to those without the disorder.

Source: Neuroscience News — Read the full article on the original site ↗