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Updated: Jul 31, 2026

Anogenital Distance and Perineal Measurements of the Pelvic Organ Prolapse (POP) Quantification System
Published on: September 20, 2018
Prevalence of hydronephrosis in patients with genital prolapse
1Department of Obstetrics and Gynecology, The Faculty of Health Sciences, Ben-Gurion University of the Negev, Ashkelon, Israel.
Objective:
To determine the prevalence of hydronephrosis in patients with genital prolapse and evaluate contributing factors.
Methods:
Retrospective study of the records of 189 patients with pelvic organ prolapse who underwent preoperative renal imaging studies.
Results:
Of the 189 patients 31 (17.4%) had hydronephrosis; in 20 (10.6%) patients the hydronephrosis was mild, in 7 (3.7%) it was moderate and in 4 (2.7%) it was severe. The patients with hydronephrosis were older (mean age 68+/-9.5 SD vs. 60.5+/-10.8 SD, P<0.001) had a higher creatinine levels (0.84+/-0.4 SD vs. 0.78+/-0.3 SD P<0.005) and had a higher degree of uterine prolapse (mean 2.6+/-0.9 SD vs. 1.1+/-1.2 SD, P<0.005). After adjusting for age and type of prolapse, only patients with uterine prolapse remained significantly more likely to suffer from hydronephrosis (adjusted odds ratio 1.9, 95% CI 1.1, 3.2).
Conclusion:
The prevalence of hydronephrosis in patients with genital prolapse is appreciable and is related primarily to degree of uterine prolapse.
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