Dataset Information

Prenatal marijuana exposure predicts marijuana use in young adulthood.

ABSTRACT: Studies have reported effects of prenatal marijuana exposure (PME) on cognitive and behavioral outcomes. An earlier publication from this study found that PME predicted early onset of marijuana use and frequency of marijuana use at age 14. No study has reported the effects of PME on marijuana use in young adulthood. This is a developmental period when substance use peaks, and by which, initiation of substance use has largely occurred.Subjects were from a longitudinal cohort. Women were interviewed initially in their fourth prenatal month and women and their offspring were followed through 22 years. Significant covariates of offspring marijuana use at 22 years were identified and controlled for using ordinal logistic regression.PME predicted marijuana use in the offspring at 22 years after controlling for significant covariates. Prenatal alcohol exposure, offspring race, gender, and age were also significant predictors, but family history of substance abuse or disorder, and sociodemographic and psychological characteristics of the mother and offspring were not. This association was not moderated by gender or race.PME is associated with subsequent marijuana use in young adulthood after considering the effects of other significant factors. These findings have important implications for public health given the recent trend toward legitimization of marijuana use.

SUBMITTER: Sonon KE

PROVIDER: S-EPMC4381999 | biostudies-literature | 2015 Jan-Feb

REPOSITORIES: biostudies-literature

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Prenatal marijuana exposure predicts marijuana use in young adulthood.

Sonon Kristen E KE Richardson Gale A GA Cornelius Jack R JR Kim Kevin H KH Day Nancy L NL

Neurotoxicology and teratology 20141113

<h4>Background</h4>Studies have reported effects of prenatal marijuana exposure (PME) on cognitive and behavioral outcomes. An earlier publication from this study found that PME predicted early onset of marijuana use and frequency of marijuana use at age 14. No study has reported the effects of PME on marijuana use in young adulthood. This is a developmental period when substance use peaks, and by which, initiation of substance use has largely occurred.<h4>Methods</h4>Subjects were from a longit ...[more]

PMID: 25446014

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Project description:OBJECTIVE:To compare self-reported maternal marijuana use with quantitative biological sampling for a marijuana metabolite, 11-nor-delta-9-tetrahydrocannabinol-9-carboxylic acid, in umbilical cord homogenate in a state with legalized marijuana. METHODS:We conducted a cross-sectional study of women approached at the time of admission for delivery with live, singleton pregnancies at 24 weeks of gestation or greater at two urban medical centers in Colorado. Maternal marijuana use was estimated by 1) report to a health care provider on admission history and physical, 2) survey of self-reported use, and 3) liquid chromatography-tandem mass spectrometry analysis of umbilical cord homogenate for 11-nor-delta-9-tetrahydrocannabinol-9-carboxylic acid. Women were categorized by survey-reported last use (30 days ago or less, 30 days to 1 year, more than 1 year, never) and proportion of women with cord results above the limit of detection and limit of quantification for 11-nor-delta-9-tetrahydrocannabinol-9-carboxylic acid was reported for each group. Comparisons between groups were made using contingency tables. Correlation between survey-reported frequency of use and quantitative 11-nor-delta-9-tetrahydrocannabinol-9-carboxylic acid cord homogenate results was evaluated. RESULTS:We included 116 women with self-report surveys linked to cord assay results. Six percent (95% CI 2.5-12.0%) of participants reported use in the past 30 days on survey and 2.6% (95% CI 0.5-7.4%) of participants reported marijuana use to health care providers. On umbilical cord assay, 22.4% (95% CI 15.2-31.1%) had detectable 11-nor-delta-9-tetrahydrocannabinol-9-carboxylic acid. The proportion of women with detectable 11-nor-delta-9-tetrahydrocannabinol-9-carboxylic acid increased with more recent self-reported use. Survey-reported frequency of use in the past 30 days had moderate correlation with quantified umbilical cord 11-nor-delta-9-tetrahydrocannabinol-9-carboxylic acid (correlation coefficient 0.44, 95% CI 0.28-0.58, P<.001). CONCLUSION:Umbilical cord sampling results in higher estimates of prenatal marijuana use than self-report even in the setting of legalization. Umbilical cord assays for 11-nor-delta-9-tetrahydrocannabinol-9-carboxylic acid demonstrate promise for quantifying use. Future studies should examine how the use of biological sampling informs the association between marijuana use and perinatal outcomes.

Dataset Information

Prenatal marijuana exposure predicts marijuana use in young adulthood.

Publications

Prenatal marijuana exposure predicts marijuana use in young adulthood.

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