当今人口问题是一个世界性的问题,控制人口是全球面临的问题。实行“计划生育”是我国的一项基本国策,因此发展避孕疫苗研究符合我国计划生育的基本国策。现有的避孕技术和方法均不同程度存在使用不方便或者有不良反应的问题,不能满足计划生育和生殖健康的要求。由于疫苗本身的 Today’s population issue is a worldwide problem, and population control is a global problem. The implementation of “family planning” is a basic national policy of our country, therefore, the research on the development of contraceptive vaccines conforms to the basic national policy of family planning in our country. Existing contraceptive techniques and methods have varying degrees of inconvenience or adverse reactions, and can not meet the requirements of family planning and reproductive health. Because of the vaccine itself