Cannabis Archives

Sharp rise in prenatal cannabis use in communities where retail sales were allowed

November 1, 2024

Following the legalization of recreational cannabis use and the start of retail sales in California, rates of prenatal cannabis use increased sharply among pregnant individuals who lived in cities or counties that permitted cannabis retailers, according to new Kaiser Permanente research.

Cannabis in pregnancy linked to some maternal health problems

July 22, 2024

Cannabis use during pregnancy is linked with health problems such as high blood pressure, preeclampsia, and weight issues, according to a large new Kaiser Permanente study.

Cannabis use in pregnancy may raise infant health risks

November 27, 2023

A large Kaiser Permanente study of more than 360,000 mothers and infants found increased likelihood of low birthweight and admission to the neonatal intensive care unit for babies whose mothers used cannabis during pregnancy.

Pregnant patients seek open-minded support from doctors on cannabis

August 10, 2023

People who have used legal cannabis during pregnancy say they would welcome non-judgmental advice from their doctors about its possible negative side effects, according to new focus group research led by Kaiser Permanente Northern California researchers.

Cannabis legalization may have made use easier in pregnancy

December 14, 2022

California’s legalization of cannabis for adult-use may have reduced the stigma of using cannabis products during pregnancy and made them easier to obtain, according to new research from Kaiser Permanente investigators.

Public health group honors Kaiser Permanente researcher with Young Professional Award

November 3, 2022

Kelly Young-Wolff, PhD, MPH, a clinical psychologist and Kaiser Permanente Division of Research investigator who studies substance use among vulnerable populations, including pregnant women, was awarded the 2022 Young Professional Award by the American Public Health Association (APHA) Maternal and Child Health (MCH) Section.

Researchers seek answers for pregnant patients about cannabis

January 18, 2022

In a new KP Research Radio podcast, investigators studying use of cannabis during pregnancy discuss common misconceptions about prenatal cannabis use, their future research plans, and more.

Cannabis use by pregnant women increased during pandemic

September 27, 2021

A Kaiser Permanente analysis of more than 100,000 pregnancies in Northern California finds a 25% increase in the rate of cannabis use early in pregnancy after the pandemic began in spring 2020.

Pregnant women who use cannabis more likely to live near a cannabis retailer

March 4, 2021

Pregnant women who lived near recreational use cannabis retailers were more likely to use cannabis early in their pregnancies, new Kaiser Permanente research found.

Depression, anxiety, trauma associated with elevated odds of cannabis use during pregnancy

February 19, 2020

In a new study, researchers from Kaiser Permanente have shown that depression, anxiety, and trauma during pregnancy are associated with prenatal marijuana use.

More women using cannabis daily before and during pregnancy, Kaiser Permanente research finds

July 19, 2019

The number of women using cannabis in the year before they get pregnant and early in their pregnancies is increasing, and their frequency of use is also rising, according to new data from Kaiser Permanente.

Women with Pregnancy-related Nausea and Vomiting Use Marijuana More

August 20, 2018

New Kaiser Permanente study adds evidence to body of research suggesting pregnant women are using marijuana to self-medicate morning sickness.

New Kaiser Permanente Study Reveals an Increase in Marijuana Use During Pregnancy

December 26, 2017

A new study from the Division of Research, using data from almost 300,000 pregnant women treated at Kaiser Permanente Northern California, found that maternal prenatal marijuana use increased from 4 to 7 percent from 2009 to 2016.

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