This article provides a brief overview of the work conducted by the Division of Reproductive Health at the Centers for Disease Control and Prevention on severe maternal morbidity and mortality in the United States. The article presents the latest data and trends in maternal mortality and severe maternal morbidity, as well as on maternal substance abuse and mental health disorders during pregnancy, two relatively recent topics of interest in the Division, and includes future directions of work in all these areas.

More than 1 in 10 pregnant and nonpregnant women reported using marijuana in the past 12 months. A considerable percentage of women who used marijuana in the past year were daily users, met abuse and/or dependence criteria, and were polysubstance users. Comprehensive screening, treatment for use of multiple substances, and additional research and patient education on the possible harms of marijuana use are needed for all women of reproductive age.

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