SAN FRANCISCO (KRON) -There’s been a rise in the number of pregnant women who are using marijuana to soothe anxiety and morning sickness.

In the JAMA study, researchers observed a sample of pregnant women in California and saw a 3 percent increase in use form 2009 through 2016.

One expert said the rise may be attributed to the increased availability of legal marijuana in recent years.

While marijuana effects on a fetus aren’t clear, doctors do caution women that smoking could lead to lower birth weights and developmental problems.>> MORE FROM LILA’S DIGITAL DOWNLOAD

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