Effects of prenatal exposure to marijuana

E. Kozer, G. Koren

Research output: Contribution to journalArticlepeer-review

13 Scopus citations


QUESTION: I am treating a 27-year-old woman who is now in her 10th week of pregnancy. She smokes marijuana two to three times a week, but does not use other drugs. She also smokes 20 cigarettes a day. I am concerned about the effects of marijuana exposure on her baby. ANSWER: It is not always possible to isolate the effect of marijuana exposure from other possible confounders on pregnancy outcome. Although marijuana is not an established human teratogen, recent well conducted studies suggest it might have subtle negative effects on neurobehavioural outcomes, including sleep disturbances, impaired visual problem solving, hyperactivity, impassivity, inattention, and increased delinquency.

Original languageEnglish
Pages (from-to)263-264
Number of pages2
JournalCanadian Family Physician
Issue numberFEB.
StatePublished - Feb 2001


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