Method for the control of fertility

摘要

A method and composition for the control of fertility comprising an antifertility effective compound selected from the group consisting of A. A QUATERNARY AMMONIUM COMPOUND OF THE FORMULA B. A COMPLEX OF A QUATERNARY AMMONIUM COMPOUND OF Formula I and a tetracycline; C. MIXTURES OF QUATERNARY AMMONIUM COMPOUNDS OF Formula I; and, D. COMPLEXES OF (C) AND A TETRACYCLINE.