There was more alarming news. Use of illegal drugs, including cocaine, marijuana, and opioids by pregnant women increased significantly between 2015 and 2017. About 7 percent of pregnant women reported using marijuana. Three percent said they used it daily.
McCance-Katz says marijuana use is linked to fetal growth problems, preterm births, stillbirths, hyperactivity and impaired cognition in newborns.
Links
[1] https://www.usatoday.com/story/news/nation/2018/09/14/meth-heroin-addiction-pregnancy-addiction/1288964002/
[2] http://rethinkpot.org/tags/pregnancy
[3] http://rethinkpot.org/tags/heroin
[4] http://rethinkpot.org/tags/mccance-katz