2Iosif S, Ingemarsson I, Ulmsten U. Urodynamic studies in normal pregnancy and in puerperium [ J ]. Am J Obstet Gynecol, 1980,137:696 - 700.
3Tegerstedt G, Maehle - Schmidt M, Nyren O, et al. Prevalence of symptomatic pelvic organ prolapse in a swedish population[ J ]. Int Urogynecol J Pelvic Floor Dysfunct,2005,16 (6) :497 - 503.
4Goldberg RP, Kwon C, Gandhi S, et al. Urinary incontinence after multiple gestation and delivery :impact on quality of life [ J ]. Int Urogynecol J,2005,16 (5) :334 - 336.
5O'Boyle AL, Woodman PJ, O'Boyle JD, et al. Pelvic organ support in nulliparous pregnant and nonpregnant women: a case control study [ J]. Am J Obstet Gynecol,2003,188 ( 1 ) :301.
6Samuelsson E, Victor A, Svardsudd K, et al. Determinants of urinary incontinence in apopulation of young and middle -aged women [ J]. Acta Obstet Gynecol Scand ,2000,79:208 - 215.
7O'Boyle AL, O'Boyle JD, Calhoun B, et al. Pelvic organ support in pregnancy and postpartum [ J ]. Int Urogynecol J Pelvic Floor Dysfunct,2005,16 ( 1 ) :69 - 72.
8Chaliha C, Digesu A, HutchingsA, et al. Caesarean section is protective against stress urinary incontinence: an analysis of women with multiple deliveries [ J ]. B JOG,2004,111:754 - 755.
9Wilson PD, Herbison RM, Herbison GP, et al. Obstetric practice and the prevalence of urinary incontinence three months after delivery [J]. Br J Obstet Gynaecol,1996,103:154 - 161.
10Groutz A, Rimon E, Peled S, et al. Cesarean section: Does it really prevent the development of postpartum stress urinary incontinence? A prospective study of 363 women one year after their first delivery[ J]. Neurourel Uredyn ,2004,23:2 - 6.
