A perineal probe (1) comprising a main axis (1 a) coinciding with the direction of insertion of said probe (1) and a main body (2), the main body (2) comprising: a lower surface (3a), an upper surface (3b), opposite said lower surface (3a), a lateral surface (4), extending between the lower surface (3a) and the upper surface (3b) and comprising two opposite main portions (4a) substantially parallel to the main axis (1 a), at least two lower electrodes (5), arranged on the lower surface (3a) and reciprocally separated along said main axis (1 a), at least two lateral electrodes (6) arranged along said main portions (4a) of said lateral surface (4).
