Marijuana Use in Pregnancy: Concerns in an Evolving Era

Megan E. Foeller, Deirdre J. Lyell

Research output: Contribution to journalArticle

4 Scopus citations


Marijuana is the most commonly used illicit drug in pregnancy, and the prevalence of use during pregnancy is increasing in the United States. Although much of the existing research investigating marijuana use in pregnancy is limited by study design and confounding factors, a growing accumulation of data suggests adverse outcomes. Studies have identified associations with decreased birth weight, increased spontaneous preterm birth, and impaired neurodevelopment among children and adults with in utero exposure. Moderate concentrations of marijuana have also been identified in breast milk. Due to these findings, multiple professional societies have issued clear statements against marijuana use during pregnancy and lactation.

Original languageEnglish
Pages (from-to)363-367
Number of pages5
JournalJournal of Midwifery and Women's Health
Issue number3
StatePublished - May 1 2017
Externally publishedYes


  • breastfeeding/lactation
  • marijuana
  • patient education
  • pregnancy
  • public health
  • substance use disorders

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