1. From the Department of Psychiatry, University of North Carolina School of Medicine, Chapel Hill (S.M.-B.); the Department of Psychiatry, Massachusetts General Hospital, and the Department of Psychiatry, Harvard Medical School — both in Boston (L.S.C.); and the Department of Obstetrics and Gynecology, Division of Maternal–Fetal Medicine, Warren Alpert Medical School, Brown University, Providence, RI (E.S.M.).