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Motivation to Quit Using Cannabis Was Associated with Lower Cannabis Use Among Pregnant Women at Risk for Sexually
Anna Beth Parlier-Ahmad1,2, Brienna Milleson3, Ananda Sen4,5
1VA Advanced Postdoctoral Fellow in Mental Illness Research and Treatment, Serious Mental Illness Treatment Resource and Evaluation Center, Ann Arbor VA Health Care System, Ann Arbor, Michigan, USA.
Women'S Health Reports (New Rochelle, N.Y.)
|August 1, 2026
Summary
Higher motivation to quit cannabis use during pregnancy is linked to reduced consumption. Technology-delivered interventions may help pregnant individuals decrease cannabis use.
Area of Science:
- Obstetrics and Gynecology
- Addiction Medicine
- Public Health
Background:
- Cannabis use is prevalent among pregnant individuals.
- This study investigates motivations for cessation among pregnant women in a clinical trial.
- The trial focused on technology-delivered interventions for risk behaviors, including substance use.
Purpose of the Study:
- To examine the relationship between different types of motivation and cannabis use during pregnancy.
- To identify motivational factors associated with reduced cannabis consumption in pregnant individuals.
Main Methods:
- Secondary analysis of data from a randomized controlled trial involving pregnant adults with STI risk behaviors.
- Assessed motivation using the Treatment Self-Regulation Questionnaire (autonomous, introjected, external, amotivation).
- Evaluated cannabis use via timeline follow-back and analyzed data using mixed logistic and negative binomial regression.
Main Results:
- 35.2% of participants reported cannabis use during pregnancy.
- Younger age, Black race, and lower socioeconomic status were associated with higher cannabis use.
- Higher autonomous, introjected, and amotivation scores correlated with lower odds of cannabis use.
- Increased autonomous, introjected, and external regulation scores were linked to fewer days of cannabis use.
Conclusions:
- Greater motivation to quit is associated with decreased cannabis use in pregnancy.
- Technology-delivered motivational interventions show promise for reducing prenatal cannabis use.
- Addressing psychosocial barriers is crucial for effective interventions.
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