Las formulaciones kleinianas no pueden ser encuadradas como un mero desarrollo del psicoanálisis freudiano, dado que suponen cambios radicales en su metapsicología, núcleo intocable del sistema. En todo caso, Melanie Klein merece un lugar de privilegio entre las mujeres pioneras que aportaron ideas originales a la psicología del inconsciente y aunque siempre se autoconsideró una fiel seguidora de Freud, terminó desarrollando su propio reino.Melanie Klein’s formulations should not be framed as a mere development of Freudian Psychoanalysis. In fact, they represent a radical change in his methapsychology, the otherwise known, as an untouchable core of the system. Nevertheless, Melanie Klein deserves to have a privileged position among those female psychoanalysts who, in one way or another, contributed with original ideas to the psychology of the unconsciousness. Although, she always considered herself simply as a Freud’s follower, she ended up developing her own reign of knowledge