/newsroom/ en /newsroom/news/list/2020/06/15/negative-impacts-of-cannabis-use-during-pregnancy The use of cannabis during pregnancy leads to poorer health outcomes for babies, according to research from the ³ÉÈË´óƬ’s Robinson Research Institute. The study found that continued use of cannabis at 15 weeks of pregnancy was associated with significantly lower birthweight, head circumference, birth length, and gestational age at birth, as well as with more frequent severe neonatal morbidity or death. June 15 2020 Cathy Parker /newsroom/news/list/2020/06/15/negative-impacts-of-cannabis-use-during-pregnancy