Marijuana use among northern California women before, during pregnancy

(JAMA Network) An observational study of pregnant women in Northern California suggests marijuana use before and during pregnancy has increased over time. The study of nearly 277,000 women in Kaiser Permanente Northern California included 367,403 pregnancies from 2009 to 2017. The women reported marijuana use on questionnaires as part of standard prenatal care.

from EurekAlert! - Social and Behavioral Science https://ift.tt/2M32sFt