Issues and Early Evidence for the Economic Evaluation of the Effects of Periodontal Therapy on Pregnancy Outcomes Rocio Quinonez DMD, MS, MPH 1 , Sally C. Stearns PhD 2 1. Department of Pediatric Dentistry and Pediatrics, Schools of Dentistry and Medicine, University of North Carolina at Chapel Hill, NC 2. Department of Health Policy and Administration, School of Public Health, University of North Carolina at Chapel Hill, NC Author for Correspondence: Sally C. Stearns, Ph.D. Department of Health Policy and Administration CB #7411, School of Public Health, University of North Carolina at Chapel Hill Chapel Hill, NC 27599-7411 E-mail: sstearns@unc.edu Phone: (919) 843-2590 Fax (919) 966-6961 1