Obstetrician–gynecologist, Tiffany Moore Simas, MD, MPH, MEd, FACOG, and perinatal psychiatrist Nancy Byatt, DO, MS, MBA, DFAPA, FACLP, from UMass Chan Medical School/UMass Memorial Health provide an overview of planning steps four, five, and six: establishing measurable goals for change; identifying tasks, roles, and responsibilities to achieve goals; and creating a workflow for the mental health care pathway.