The problem of fertility control is a matter of great interest in developing countries to control the rapidly increasing population. In contrast to females, there are limited approaches to control male fertility. However, in recent years, regulation of male fertility by using plant extracts has attracted much interest of researchers because an antifertility agent of plant origin is cost effective and has low toxicity. The present book reviews various approaches that have been worked out to control male fertility, and their drawbacks. Further, it reports the effects of chronic administration...