This report provides an overview of research activities and needs in the area of contraceptive development. In a review of the present state, discussions are offered on the effectiveness and drawbacks of oral contraceptives, intrauterine devices, barrier methods, natural family planning, and sterilization. Methods of contraception that are in the experimental stage include regulation of male and female fertility and anti-fertility vaccines. Reports are given of research and clinical studies that are being carried out with the aim of improving barrier contraception, abstinence, and sterilization. A review is also presented of current research supported by the National Institute of Child Health and Human Development. Descriptions are given of future research needs for developing safe, effective, and convenient methods of contraception. These include needs for both clinical trials and laboratory research and further exploration of delivery systems for progestational and steroidal drugs and peptides. A section on resource requirements discusses aspects of product development and links between private and public health agencies, including administration of programs, fiscal matters, patent rights, and liability insurance. An appended bibliography contains 70 references. (JD)