Nearly 280 marijuana stores in Colorado suggested cannabis for pregnancy-related nausea, a new study shows. Health officials urge the opposite.

Should women suffering from morning sickness during pregnancy use marijuana to control their nausea?

Colorado health experts, regulatory officials and even industry advocates have consistently answered no, and they’ve backed that message up with studies, public service announcements and warning labels on cannabis packaging.

But a new study by doctors at Denver Health and the University of Colorado School of Medicine reports that, when asked for advice on mixing pot and pregnancy, employees at an overwhelming majority of stores in Colorado will say that it’s OK. And fewer than a third of those stores will recommend that a pregnant woman consult with a doctor about cannabis use — unless they are prompted to.

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