Randomised controled multicenter trial about the appropriate length of postoperative catheterization after anterior colporrhaphy. Patients are included at the moment that they are planned for surgery and are allocated to one of the study arms after the operation in the recovery by a digital randomisation-procedure. 230 patients will be enrolled in the study and half of the patients will have a catheter during five days postoperatively and the other half will be catheterized only during two days. Main outcome measurements regards replacement of a catheter because of bladder retention and the occurence of cystitis.

Inclusion Criteria:

• all patients planned for a cystocele repair

Exclusion Criteria:

• patients who already have voiding problems before the operation not related to the cystocele
• patients that are not capable of understanding our patient information form because of mental status or language