The incidence of gestational diabetes and type 2 diabetes in pregnancy is increasing and is associated with adverse pregnancy outcomes. Denice Feig, MD MSc, professor of medicine at the University of Toronto and Head of the Diabetes and Endocrine in Pregnancy Program at Mount Sinai Hospital, talks with JAMA Associate Editor Tracy A. Lieu, MD, MPH, about metformin for diabetes in pregnancy. Related Content:

• Metformin for Diabetes in Pregnancy