1. Jane W. Seymour is with the Department of Epidemiology, School of Public Health, Boston University, Boston, MA, and Ibis Reproductive Health, Cambridge, MA. Terri-Ann Thompson is with Ibis Reproductive Health. Dennis Milechin is with Research Computing Services, Information Services and Technology, Boston University. Lauren A. Wise is with the Department of Epidemiology, School of Public Health, Boston University. Abby E. Rudolph is with the Department of Epidemiology and Biostatistics, College of Public...