1. Singh S, Darroch JE. Adding it up: costs and benefits of contraceptive services. Guttmacher Institute and UNFPA. 2012. https://www.guttmacher.org/report/adding-it-costs-and-benefits-contraceptive-services-estimates-2012
2. Darroch JE, Sedgh G, Ball H. Contraceptive technologies: responding to women’s needs. New York: Guttmacher Institute; 2011.
3. Gallo MF, Kilbourne-Brook M, Coffey PS. A review of the effectiveness and acceptability of the female condom for dual protection. Sex Health. 2012;9(1):18–26.
4. Ministry of Health aII. Zambia Demographic and Health Survey 2013-14. Rockville: Central Statistical Office (CSO) [Zambia], Ministry of Health (MOH) [Zambia], and ICF International; 2014.
5. Meekers D, Richter K. Factors associated with use of the female condom in Zimbabwe. Int Fam Plan Perspect. 2005;31(1):30–7.