It will include 20 participants suffering from SUI associated with sexual dysfunction who will receive interferential stimulation for 20 minutes, 3 days per week for 8 weeks.

It will include 20 participants suffering from SUI with sexual dysfunction who will receive interferential stimulation for 20 minutes in addition to the knack maneuver for 15 minutes, 3 days per week for 8 weeks.

The participant will be positioned in semi-Fowler's position. Interferential therapy was given using the quadripolar method. Two electrodes were placed on the lower abdomen just above the outer half of the inguinal ligament, and another two on the inner aspect of the thigh near the origin of the adductor muscle. At the first treatment session, every participant will be examined for pelvic floor contraction by the finger palpation method using sterilized gloves to ensure the correct position of the electrodes. It will be set with intensity up to the tolerable limit of subjects, carrier frequency of 2000Hz, vector 900, rhythmic sweep frequency of 10-100Hz, and duration 20 minutes. Interferential therapy will be applied for the treatment procedure of all women in both groups for 20 minutes, 3days per week for 8 weeks.

PortablE biofeedback device will be used to assess pelvic floor muscle contraction. Each woman in both groups will be asked to count from 0 to 10 for 5 sets to achieve mental relaxation. Then, the area of the perineum will be cleaned with a disinfectant solution. The participant will insert the probe, which was covered with a condom and lubricated with hypoallergenic gel, into her vaginal cavity. The internal probe promotes proprioception and aids muscle awareness. The participants will be instructed to place the probe inside the vagina to a location where 0.5-1.0 cm of the probe is visible from the outside of the introitus. PFM strength will then be evaluated by a maximum voluntary contraction, as will be measured by squeeze pressure. Vaginal pressure testing will be performed with three repetitions of maximum voluntary contractions that each will be lasted for 3 s, with a 3-s rest between contractions. 2-minute rest break will then be taken, and the average score will be recorded.

The Arabic version of female sexual function Index score (FSFI) will be used to assess sexual function for all participating women in both groups before and after treatment program.

All women in both groups will be asked to fill 5 domains of the questionnaire after explanation of them. The scoring system has a range of 2 to 36. According to Anis et al. (2011), a score above 28.1 indicated a good sexual life, whereas a score below 28.1 indicated reduced sexual function. The five categories of the questionnaire are severe (2-7.2), moderate (7.3-14.4), mild to moderate (14.5-21.6), mild (21.7-28.1 "cutoff point"), and no FSD (28.2-36)

Incontinence Severity Index (ISI) will be used to assess SUI symptoms for all participating women in both groups before and after treatment program. All women in both groups will be asked to fill all items of questionnaire after a full explanation of them. The total score is the score for the first question multiplied by the score for the second question (0=dry, 1-2=slight, 3-4=moderate, 6-8=severe)