Urinary incontinence is becoming an increasingly dominant condition in daily urological and gynaecological practice, although the total number of patients suffering from the different forms ofincontinence remains unclear. An estimated figure for The Netherlands, with a population of 14 500000, has been given as between 500000 and 600000 patients, showing that approximately 4 % of the total population suffer from this condition, the majority being female. The impact ofthis number is tremendous, not only regarding health care costs, but even more with regard to the psycho-social consequences....