计划生育是当前全国人民共同关心的大事.为适应四个现代化的需要,必需更加抓紧男用节育药的研究.本文就近年来男用节育药的进展作一简介. 一、甾体激素类药物雄性激素、抗雄性激素、雌激素、孕激素甚至某些皮质激素都能抑制精子的发生.正常有生育能力的男子每毫升精液约有1～1.5亿个精子,当使用药物使精子下降到每毫升1～2百万以下即可产生不育. Family planning is currently a major concern of all people across the country.In order to meet the needs of the four modernizations, it is necessary to pay more attention to the research of male birth control medicine.In this paper, we make a brief introduction of the progress of male birth control medicine in recent years.First, steroid hormone male Hormones, anti-androgen, estrogen, progesterone and even some corticosteroids can inhibit the occurrence of sperm.Generally fertile men per ml of semen about 1 to 150 million sperm, when using drugs to sperm down to every milliliter 1 to 2 million or less can produce infertility.