ماری جوانا در حین بارداری و بعد از بارداری و ارتباط استفاده قبل از زایمان از نتایج زایمان استفاده می شود: یک مطالعه مبتنی بر جمعیت

Co-use of substances was common among prenatal and postpartum marijuana users. Prenatal marijuana use was not independently associated with lower average birthweight or gestational age. Postpartum marijuana use was associated with depressive symptoms and shorter breastfeeding duration. Surveillance of marijuana use among pregnant and postpartum women is critical to better understanding the relationship of marijuana use with birth outcomes, and postpartum experiences such as depression and breastfeeding.