{ 1 } - a treatment from which sterility results merely as a side effect of a medical treatment directly aimed at a specific pathology
{ 2 } - unethical because it is contrary both to the principle of personalized sexuality as a form of contraception and to the principle of totality and integrity because it sacrifices a basic human function without the necessity of preserving life.

direct sterilization <=> unethical because it is contrary both to the principle of personalized sexuality as a form of contraception and to the principle of totality and integrity because it sacrifices a basic human function without the necessity of preserving life.