The most common causes for pudendal nerve entrapment syndrome include: Repeated mechanical injury (eg, sitting on bicycle seats for prolonged periods over many years or months) Trauma to the pelvic area, for example during childbirth. Damage to the nerve during surgical procedures in the pelvic or perineal regions.What is the treatment for pudendal nerve entrapment syndrome? The condition may be amenable to treatment in a number of ways. General measures may include: Avoid prolonged periods of sitting, particularly in cyclists who have this condition.Use a foam ring-cushion so there is no pressure on the centre when sittingAvoid straining when passing urine or opening the bowelsSee a physiotherapist to learn relaxation techniques for the pelvic floor