Efficacy of Magnetic Stimulation for Stress Urinary Incontinence

Inclusion Criteria: * Female aged at least 21 years old * Demonstration of stress urinary incontinence by vaginal examination with half full bladder (200 to 250ml) * ICIQ UI SF score ≥ 6 points * Able and agree to carry out one hour pad test Exclusion Criteria: * Acute severe infections * Urinary tract infections and hematuria, active vaginal lesions or infections * Pelvic organ prolapse stage III and IV, severe urethral sphincter weakness/defect, suspected fistula * Severe cardiac arrhythmia * Cardiac pacemaker or other implanted metallic devices * History of pelvic irradiation * Pregnant, or actively trying to conceive. * Neurologic conditions such as epilepsy, Parkinson disease, multiple sclerosis * Patient who has been treated with electromagnetic stimulation * Concurrent medications with alpha-adrenergic antagonists (e.g. terazosin, tamsulosin, doxazosin), diuretics, serotonin/norepinephrine reuptake inhibitors (SNRIs) or any other medications known to worsen incontinence. * Post void residual volume of ≥ 200ml * Random blood sugar \>10 mmol/L * Patient who had pelvic or gynaecological surgery for less than three weeks * Patient scheduled for pelvic or gynaecological surgery in the next eight weeks