Cannabis Use in Pregnancy and Downstream Effects on Maternal and Infant Health

MOTHER INFANT DYADS Inclusion Criteria: Exposed and unexposed pregnant women/individuals must meet all of the following inclusion criteria at the time of enrollment to be eligible: * Capacity to provide informed consent and to comprehend and comply with the study requirements * Planning to deliver at TOH or KGH, or The Ottawa Birth and Wellness Centre (affiliated with TOH) * Be ≥ 16 years of age at the time of consent Exposed group: pregnant women/individuals who are using any cannabis-related product in pregnancy at the time of enrollment, or have used cannabis-related products in the current pregnancy for any reason (including but not limited to recreational use, to ease nausea and vomiting, use for chronic pain management or other medical indications). Unexposed group: pregnant women/individuals who are not using cannabis-related products in pregnancy, and who have not used any cannabis-related product for at least 3-months prior to pregnancy. Exclusion Criteria: * Women/Individuals who self-report non-prescription use of controlled and illegal drugs in their current pregnancy (i.e., benzodiazepines, cocaine and crack, fentanyl, heroin, ketamine, lysergic acid diethylamide, magic mushrooms, MDMA, methamphetamine, gamma hydroxybutyrate, opioids, phenylcyclohexyl piperidine, salvia) or report their use in the 3-months prior to pregnancy. (\*\*Use of alcohol or tobacco products prior to pregnancy or during pregnancy will not be an exclusion criterion\*\*) * Women/Indiv…