1. Hunskaar S, Burgio K, Clark A, Lapitan MC, Nelson R, SillenU, Thom D (2005) Epidemiology of urinary (UI) and faecal (FI) incontinence and pelvic organ prolapse (POP). In: Abrams P, Cardozo L, Khoury S, Wein A (eds) Incontinence. 3rd international consultation on incontinence. Health Publication, vol 1: basics & evaluation, chapter 5, pp 255–312
2. Kegel AH (1948) Progressive resistance exercise in the functional restoration of the perineal muscles. Am J Obstet Gynecol 56:238–248
3. Sampselle CM, Miller JM, Mims BL, DeLancey J, Ashton-Miller JA, Antonakos CL (1998) Effect of pelvic muscle exercise on transient incontinence during pregnancy and after birth. Obstet Gynecol 91:406–412
4. Reilly E, Freeman R, Waterfield M, Waterfield A, Steggles P, Pedlar F (2002) Prevention of postpartum stress incontinence in primigravidae with increased bladder neck mobility: a randomised controlled trial of antenatal pelvic floor exercises. BJOG 109:68–76
5. Mørkved S, Bø K, Schei B, Salvesen KÅ (2003) Pelvic floor muscle training during pregnancy to prevent urinary incontinence: a single-blind randomized controlled trial. Obstet Gynecol 101:313–319