I Review of New Contraceptive Methods.- Contraceptive Innovations: Needs and Opportunities.- Historical Perspectives on the Introduction of Contraceptive Technology.- II Consequences for Fertility.- The Demographic Impact of Changes in Contraceptive Practice in Third World Populations.- Effects of Demographic Factors on the Use and Effectiveness of New Contraceptive Technologies.- Programmatic Factors in Contraceptive Use-Effectiveness: Lessons Learned from Operations Research.- Psychosocial Factors in Contraceptive Efficacy.- III Consequences for Health.- New Contraceptive Methods and Reproductive Health.- Effects of New Contraceptive Methods on Abortion Utilization.- IV Introduction of New Contraceptive Methods.- NORPLANT® Introduction: A Management Perspective.- A Case Study of Contraceptive Introduction: Domiciliary Depot-Medroxy Progesterone Acetate Services in Rural Bangladesh.- V Consequences for Resources.- Introducing New Contraceptive Technologies in Developing Countries.- Financing the Delivery of Contraceptives: The Challenge of the Next Twenty Years.- Appendix — Methods of Fertility Regulation Likely to Be Available Within 10-15 Years.