The Prospects for New, Reversible Male Contraceptives

Abstract

Research in human reproduction has been stimulated in recent years by increasing awareness of the worldwide threat posed by unchecked population growth. Much of this research has been directed toward improving technics of contraception. The efficacy of available contraceptives for men has lagged well behind those in use by women. Much recent work has been aimed at correcting this deficiency through the development of safe, reliable and reversible technics for male contraception.^{1 , 2} Although optimal means are not yet available, limited clinical trials of several new methods have yielded encouraging results. Several other lines of investigation, although still limited to animal . . .