Maternal Marijuana Use and Childhood Outcomes


Between four and five percent of pregnant women report some level of cannabis use. This level decreases markedly throughout pregnancy. Many women who report using cannabis during pregnancy do so to address symptoms of nausea/morning sickness.

Data to date is inconsistent with respect to whether in utero cannabis exposure is independently associated with low birthweight, pre-term birth, or other adverse neonatal outcomes (e.g., shorter gestational age)

In utero cannabis exposure is not independently associated with significant, consistent adverse effects on childhood development