[Future of the treatment of male infertility].

The aim of this paper is to introduce inherent difficulties leading to relative delay in the field of male infecundity treatment. Four theoretical possibilities are exposed: infertility prevention improvement, qualitative or quantitative improvement of spermatogenesis, spermatozoa fecundity ability improvement and micro-fertilization procedures. These methods are exposed in their technical aspects and in their results. Critical analysis is conducted about some impressive reported series. Basic knowledge improvement seems to be necessary to explore new therapeutic ways.