More Pregnant Women in the U.S. Are Smoking Marijuana

According to a new study, the number of pregnant women in the United States using marijuana is growing. Researchers say that among teenage mothers under the age of 18, pot use has surged from 13 percent in 2009 to 22 percent in 2016. During that same period, pregnant women aged 18 to 24 using marijuana rose from 10 percent to 19 percent. In terms of all age groups, marijuana use during pregnancy has increased from four percent at the start of the study to seven percent now.