Twenty years ago we tried to electrovaginal stimulation. Today, we can conclude that we have had not success. The disorder of the pelvic floor with urinary incontinence resolves operational techniques with success from 78% to 94%, depending on the applied techniques, and factors related to the patient, as well as obesity, age, level of POP...
Iam currently applying electrogalvanic stimulation at Hz for pain and urgency and am having great success with this. 30 minutes of estim, twice a week.
We have used a vaginal probe 50Hz alternating 2 sec pulses in addition to squatting based PFR. We improved urge, pain nocturia symptoms >50% in half the patients
Skilling PM,·Petros PE Synergistic non-surgical management of pelvic floor dysfunction: second report. Int J Urogyne (2004)15: 106-110
See also Ch5 of my textbook "The Female Pelvic Floor" 3rd Ed SPringer Heidelberg