"Kerala's Pioneering Experiment in Massive Vasectomy Camps," the principal article in this monthly publication of the Population Council, is a detailed research report on the success of a massive vasectomy camp conducted at Cochin, the capital city of the Ernakulam District of Kerala State, India. The second article, "The Gujarat State Massive Vasectomy Campaign," presents the results of a decentralized (multiple camps) approach vs. the single camp approach to voluntary sterilization. "Egypt Studies a New Plan of Action" describes Egypt's efforts toward creating conditions that will bring the target population to adopt small family norms--the main thrust of this approach being to offer women employment as an alternative to childbearing. The fourth article, "Status and Prospects of Natural Family Planning," reviews a conference on natural family planning, at which time scientists explored and evaluated contemporary methods of natural family planning, analyzed its scientific basis, its assets, liabilities, and effectiveness, and considered what new research should be carried out. "The Kaoshiung Study," the last article, describes a study conducted between 1966 and 1968 to increase IUD acceptance by active use of mass media and to introduce the pill and determine its effect on IUD acceptances. (LK)