"I have Pluto in transit opposing or squaring Mars in the birth chart. What is involved ?" What can it mean to have bad form Pluto aspects such as quadrature and opposition with our natal Mars ? What a way to give an unfavorable passage of Pluto on the planet Mars in our birth chart ? What does it mean to have the planet Pluto square or opposed natal Mars ? The transit of Pluto quadrature and opposition to natal Mars which carries positive connotations for us ? Which are meaning, significance, sense of the planet Pluto in transit in square or opposition at the birth Mars ? Having this planet in bad aspect and then square (90 degrees) or that form an opposition (180 degrees) with the planet Mars can bring important significance not only on a personal level. Let's say, however, that not take into consideration the position of Mars in the 12 astrological houses and then Pluto transiting Mars which is in I, II, III, IV, V, VI, VII, VIII, IX, X, XI, XII house. This is because Pluto is a generational planet, and therefore its influence rather than on the individual and therefore on its areas of life takes place and acts on an entire generation, an entire community.
Meaning : possible periods of sexual impotence especially in women. But this influence can be among the most dangerous of a lifetime especially if in your natal energies of Mars and Pluto are poorly channeled. In fact, you will be tempted to commit acts of very serious criminal acts because driven by a strong and uncontrollable self-destructive energy.