This technique is indicated to all those males who, for medical or surgical reasons, may see their future fertility compromised. This is the case of patients with cancer who are going to undergo chemotherapy or radiation therapy, highly toxic treatments and which leave, in many cases, the loss of fertility.

It is also indicated to mens who have decided to undergo a definitive sterilization technique (vasectomy) and who wish to have the option of a future paternity or those professional groups that present a higher risk of life (state security forces and bodies, firemen, etc) in the framework of a stable family project.