John�s Mercy Medical Center in St. Louis, MO. In that role she is responsible for clinical practice, education and research for the labor and delivery, antepartum and obstetric triage units of a perinatal service averaging over 8,000 births per year. Dr. Simpson is the author of AWHONN's Practice Monograph on Cervical Ripening and Labor Induction and Augmentation. She has conducted research regarding safe care when using the high alert medications oxytocin and magnesium sulfate and is the author of several articles on this topic.