今年春季卫生部组织了一个“人类生殖和计划生育考察团”出国访问。我做为考察团5个成员之一,随其他4个同志先后访问了瑞士、瑞典、英国、美国、澳大利亚和日本等6个国家的16个城市,历时94天。这次出国访问,各国科学家向我们介绍的内容主要是生殖生理和生殖内分泌方面的科研工作,还有一部分是临床研究;关于避孕药方面的工作介绍的比较少。现将国外有关避孕药方面的科研情况简要汇报如下。汇报的内容系根据国外科学家的口头讲解所作记录,缺乏书面材料依据,难免有不确切和遗漏的地方甚至错误的地方,因此汇报内容只能供读者参考,请勿做为依据和引用。一、现有避孕药的改进国外对现有避孕药一直在进行改进。改进的目的不外长效、安全、简便。例如:1.皮下埋植剂。把避孕药放在硅橡胶材料里,埋植在皮下,避孕效果可以持续1年以上。由于硅橡胶 This spring, the Ministry of Health organized a “study trip for human reproduction and family planning” to visit China. As one of the 5 members of the delegation, I visited 16 cities in 6 countries such as Switzerland, Sweden, Britain, the United States, Australia and Japan with 94 other comrades in 94 days. During this visit to China, scientists from all over the world introduced us mainly in scientific researches in reproductive physiology and reproductive endocrinology, and in part clinical research; and there are relatively few works on contraceptives. Now abroad about the contraceptive aspects of scientific research briefings are as follows. The content of the report is based on oral records made by foreign scientists. Without written materials, it is inevitable that there will be errors and omissions. Therefore, the contents of this report are for reference only. Do not use it as a basis or reference. First, the improvement of existing contraceptives Foreign contraceptives on the existing have been improving. The purpose of improvement is nothing more than long-term, safe and easy. For example: 1. Subcutaneous implants. Contraceptives placed in silicone rubber material, embedded in the skin, the contraceptive effect can last for more than 1 year. Because of silicone rubber