Jane T. Bertrand is professor and, at the time of this study, Jacqueline Hellen was a research assistant—both with the School of Public Health and Tropical Medicine, Tulane University, New Orleans, LA, USA. Patrick Kayembe is professor, Nelly Dikamba is professor, and Eric Mafuta is assistant professor—all with the Kinshasa School of Public Health, Kinshasa, Democratic Republic of the Congo (DRC). Julie Hernandez is research assistant professor, Payson Center, Tulane University. Arsene Binanga is Tulane’s Director of Family Planning Projects in the DRC.