Raneen Abu Shqara, Nadir Ganem, Ala Aiob, Maya Frank Wolf, Lior Lowenstein, Susana Mustafa Mikhail
{"title":"Association Between Intrapartum Papaverine Administration and the Risk of Obstetric Anal Sphincter Injuries: A Retrospective Cohort Study.","authors":"Raneen Abu Shqara, Nadir Ganem, Ala Aiob, Maya Frank Wolf, Lior Lowenstein, Susana Mustafa Mikhail","doi":"10.1007/s00192-026-06588-6","DOIUrl":"https://doi.org/10.1007/s00192-026-06588-6","url":null,"abstract":"<p><strong>Introduction and hypothesis: </strong>Perineal trauma during vaginal delivery may result in long-term morbidity. We aimed to test the hypothesis that intrapartum administration of papaverine is associated with a lower incidence of obstetric anal sphincter injuries (OASIS) among primiparous patients.</p><p><strong>Methods: </strong>This retrospective cohort study included primiparous patients with singleton term (> 37 weeks) pregnancies who delivered vaginally at Galilee Medical Center, Nahariya, Israel, between March 2020 and June 2024. Patients who received intrapartum 80 mg intramuscular papaverine were compared with those who did not. The primary outcome was the incidence of OASIS, defined as third- (3A, 3B, 3C) and fourth-degree perineal tears. Secondary outcomes included the incidence of first- and second-degree perineal tears and episiotomy. Multivariable logistic regression identified independent predictors of OASIS.</p><p><strong>Results: </strong>Among 4939 patients, 1082 (21.9%) received papaverine. Baseline demographics of the two groups were comparable; however, patients who received papaverine had a higher BMI and a higher rate of labor induction. The incidence of OASIS was significantly lower in the papaverine group (0.5% vs 1.3%; adjusted absolute risk difference [aRD] -0.7%, 95% CI -1.2 to -0.1; p = 0.016). First- and second-degree perineal tears were less frequent in univariate analysis (35.2% vs 39.2%, p = 0.019); however, after multivariable adjustment, this association was attenuated and no longer statistically significant (aRD -1.3%, 95% CI -4.1 to 1.5; p = 0.37). Episiotomy rates of the two groups were comparable.</p><p><strong>Conclusions: </strong>In this study, primiparous patients who received intrapartum papaverine experienced a lower incidence of OASIS than those who did not receive papaverine. Further prospective, protocolized studies are needed to confirm these findings.</p>","PeriodicalId":14355,"journal":{"name":"International Urogynecology Journal","volume":" ","pages":""},"PeriodicalIF":1.8,"publicationDate":"2026-04-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147690052","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Hannah Chapman, Amadou Issa Abdou, Chelsea Porter, Guihua Zhai, Isuzu Meyer, Itengre' Ouedraogo, Yakoubou Sanoussi, Abdoulaye Idrissa, Holly E Richter
{"title":"Characteristics Associated with Failure of Obstetric Fistula Surgery.","authors":"Hannah Chapman, Amadou Issa Abdou, Chelsea Porter, Guihua Zhai, Isuzu Meyer, Itengre' Ouedraogo, Yakoubou Sanoussi, Abdoulaye Idrissa, Holly E Richter","doi":"10.1007/s00192-026-06596-6","DOIUrl":"https://doi.org/10.1007/s00192-026-06596-6","url":null,"abstract":"<p><strong>Introduction and hypothesis: </strong>Quality of life can significantly improve following successful surgical repair of obstetric fistula; however, these surgeries may be technically challenging. There are limited consensus data regarding optimal fistula closure techniques and perioperative management. The objective of this study was to identify clinical and anatomical characteristics associated with failure of obstetric vesicovaginal/urethrovaginal fistulas (VVaF/UVaF) closure.</p><p><strong>Materials and methods: </strong>In this retrospective cohort study, medical records of patients following VVaF/UVaF surgery at a single fistula center in Niger between 2022 and 2024 were identified. Clinical and demographic data were collected. Successful fistula closure was defined as water-tight visually assessed closure of fistula at discharge from the fistula center. Multivariable logistic regression was used to identify independent factors associated with closure failure.</p><p><strong>Results: </strong>Of 125 women, 28 (22.4%) had failure of fistula closure. Mean age (SD) was 31.2 (9.78) years and median (interquartile range [IQR] parity 2 (0-4), with no difference between groups (all p > 0.05). Multivariable logistic regression adjusting for age resulted in an aOR (95% CI) for the number of previous surgeries of 1.37 (1.06, 1.75), and Goh's fibrosis level 2 vs 1 of 2.70 (1.04, 7.14) and 3 vs 1, 4.55, (1.04, 20.0).</p><p><strong>Conclusions: </strong>In this population of women undergoing obstetric VVaF/UVaF repair, patients having undergone more surgeries and those with greater tissue fibrosis had greater odds of failed fistula closure. This emphasizes the importance of the initial fistula repair surgery as the best chance for fistula closure in these patients sustaining life-changing pelvic floor injury.</p>","PeriodicalId":14355,"journal":{"name":"International Urogynecology Journal","volume":" ","pages":""},"PeriodicalIF":1.8,"publicationDate":"2026-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147673451","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Systematic Review and Meta-Analysis of Bladder Wall Thickness for the Diagnosis of Detrusor Overactivity in Women.","authors":"Bernadette Lemmon, Mittal Patel, Ruwan Fernando, Alex Digesu, Alka Bhide, Vik Khullar","doi":"10.1007/s00192-026-06634-3","DOIUrl":"https://doi.org/10.1007/s00192-026-06634-3","url":null,"abstract":"<p><strong>Introduction: </strong>A systematic review with meta-analysis was carried out to study the hypothesis that bladder wall thickness measured by ultrasound is accurate at diagnosing detrusor overactivity in women.</p><p><strong>Method: </strong>This meta-analysis was registered on PROSPERO. A literature search was conducted using online databases Embase, Medline, and PubMed. Quality of articles was assessed, and articles were divided into groups to reduce heterogeneity for meta-analysis.</p><p><strong>Results: </strong>A total of eight studies were selected for analysis. The mean bladder wall thickness in those \"with detrusor overactivity\" was found to be 5.234+/-1.424 and those \"without detrusor overactivity\" 4.356+/-1.124. Those \"with detrusor overactivity\" were found to have a mean increased bladder wall thickness of 0.879+/-0.958 (95% CI 0.143 to 1.615) when compared to those \"without detrusor overactivity\". Meta-analysis was performed with six of the eight studies to reduce heterogeneity of data. We found no overall effect and no significant difference in measurements taken in those \"with detrusor overactivity\" and those \"without detrusor overactivity\". Tests of heterogeneity demonstrate a moderate level of heterogeneity I<sup>2</sup> = 61.4% and T<sup>2</sup> = 0.049. A summary receiver operator characteristic curve was used to demonstrate overall performance of ultrasound measurement of bladder wall thickness as an alternative diagnostic test of urodynamic detrusor overactivity.</p><p><strong>Conclusions: </strong>Meta-analysis has demonstrated that measurement of bladder wall thickness using ultrasound cannot be used to diagnose detrusor overactivity and can therefore not replace urodynamics in the investigation of women with lower urinary tract symptoms. The results of this meta-analysis must be viewed with the understanding that studies included showed significant heterogeneity despite efforts to reduce large variation in data.</p>","PeriodicalId":14355,"journal":{"name":"International Urogynecology Journal","volume":" ","pages":""},"PeriodicalIF":1.8,"publicationDate":"2026-04-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147673548","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
V Celis, V I Rodríguez, L K Fumero, L Dubey, L G Medina, M Maas, F Eskenazi, A Lusinchi, L R Doumanian, R Travieso, R Sotelo
{"title":"Robotic Peritoneal Flap Revision Vaginoplasty: Step-by-Step Technique: Tips & Tricks.","authors":"V Celis, V I Rodríguez, L K Fumero, L Dubey, L G Medina, M Maas, F Eskenazi, A Lusinchi, L R Doumanian, R Travieso, R Sotelo","doi":"10.1007/s00192-026-06617-4","DOIUrl":"https://doi.org/10.1007/s00192-026-06617-4","url":null,"abstract":"<p><strong>Introduction and hypothesis: </strong>Penile inversion vaginoplasty is the most common method utilized for feminizing genital reconstruction in transgender women. However, vaginoplasty has high revision rates. The most common functional reason for revision is stenosis or shortening of the vaginal canal, which can be challenging to perform.</p><p><strong>Methods: </strong>We present the step-by-step technique of a robotic peritoneal flap revision vaginoplasty. We discuss the indications and challenges of this surgery. Detailed steps and helpful hints are included. Finally, we outline the postoperative management and expected outcomes.</p><p><strong>Results: </strong>The robotic peritoneal flap vaginoplasty revision is feasible and safe with total operative time of 3 h, and estimated blood loss of 20 ml. The postoperative pathway includes vaginal packing and Foley catheter removal, as well as discharge within the first week. Serial vaginoscopies are later performed to assess adequate healing and patency of the new perineal pouch.</p><p><strong>Conclusions: </strong>Finding a viable harvesting site after previous perineal flap surgery is feasible. The robotic revision of peritoneal flap vaginoplasty is an appropriate procedure for re-establishing vaginal canal patency and depth.</p>","PeriodicalId":14355,"journal":{"name":"International Urogynecology Journal","volume":" ","pages":""},"PeriodicalIF":1.8,"publicationDate":"2026-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147673518","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Sharifah Naseem, Victoria Kershaw, Aethele Khunda, Sami Shawer, Paul Ballard
{"title":"Does the Addition of Vaginal Oestrogen to Anticholinergic Medication Improve Overactive Bladder Symptoms? A Systematic Review and Meta-Analysis.","authors":"Sharifah Naseem, Victoria Kershaw, Aethele Khunda, Sami Shawer, Paul Ballard","doi":"10.1007/s00192-026-06629-0","DOIUrl":"https://doi.org/10.1007/s00192-026-06629-0","url":null,"abstract":"<p><strong>Introduction and hypothesis: </strong>Anticholinergics and β3 agonists are the mainstay of medical treatment for overactive bladder symptoms (OAB). Vaginal oestrogen has been shown to improve OAB symptoms. This review evaluated combination therapy (vaginal oestrogen + OAB medication) versus monotherapy.</p><p><strong>Methods: </strong>The project was registered with PROSPERO (CRD42023462373). A literature search of Embase, MEDLINE and CINAHL was conducted. Articles were screened independently by two reviewers according to PRISMA guidelines. Statistical analyses were performed using Review Manager (RevMan v5.4.1, Cochrane Collaboration). Study quality was assessed using the Newcastle-Ottawa scale.</p><p><strong>Results: </strong>Initial search yielded 17 results. After screening, six articles were included in qualitative synthesis and four in quantitative synthesis. Five studies were randomised controlled trials, and one was non-randomised. All articles were of good quality (≥ 7 points Newcastle-Ottawa scale). Total number of participants was 544. Four studies reported that combination therapy is associated with significantly greater improvements in OAB symptoms, health-related quality of life (HRQL) and/or sexual function. Two studies reported no significant difference in OAB symptoms between monotherapy and combination therapy. Pooled analysis showed a significant reduction in urinary frequency with combination therapy compared with monotherapy (SMD -0.36 [-0.63, -0.08], p = 0.01, I<sup>2</sup> = 0%). However, no significant difference was observed in OAB symptoms score (SMD -0.38 [-0.81, 0.05], p = 0.08, I<sup>2</sup> = 60%) or health-related quality of life (SMD -0.15 [-0.41, 0.10], p = 0.24, I<sup>2</sup> = 0%).</p><p><strong>Conclusions: </strong>Combination therapy may benefit urinary frequency but did not demonstrate significant improvement in overall OAB symptoms or HRQL. Further research is required to determine the benefit of vaginal oestrogen.</p>","PeriodicalId":14355,"journal":{"name":"International Urogynecology Journal","volume":" ","pages":""},"PeriodicalIF":1.8,"publicationDate":"2026-04-13","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147673437","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Commentary on Characteristics Associated with Failure of Obstetrics-Related Vesicovaginal Fistula Surgery.","authors":"Catherine A Matthews","doi":"10.1007/s00192-026-06587-7","DOIUrl":"https://doi.org/10.1007/s00192-026-06587-7","url":null,"abstract":"","PeriodicalId":14355,"journal":{"name":"International Urogynecology Journal","volume":" ","pages":""},"PeriodicalIF":1.8,"publicationDate":"2026-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147662584","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Adéla Samešová, Rafaël Kiebooms, Laura Cattani, Helena Williams, Lucie Hájková Hympánová, Jan Deprest
{"title":"The Relationship Between Levator Ani Integrity and Postpartum Sexual Dysfunction: A Systematic Review.","authors":"Adéla Samešová, Rafaël Kiebooms, Laura Cattani, Helena Williams, Lucie Hájková Hympánová, Jan Deprest","doi":"10.1007/s00192-026-06586-8","DOIUrl":"https://doi.org/10.1007/s00192-026-06586-8","url":null,"abstract":"<p><strong>Introduction and hypothesis: </strong>Vaginal delivery may impact both the structures and function of the pelvic floor, including the levator ani muscle (LAM). In addition to urinary incontinence and prolapse, sexual dysfunction and pelvic pain may occur. We aimed to systematically review the literature on a potential association between LAM avulsion or hiatal dimensions and sexual dysfunction after childbirth.</p><p><strong>Methods: </strong>We systematically searched the PubMed, Embase, Cumulative Index to Nursing and Allied Health Literature, Web of Science Core Collection, CENTRAL (Cochrane), Clinicaltrials.gov, and databases. The principal aim was to identify reports studying the association between LAM avulsion or hiatal dimensions and sexual dysfunction within 24 months of childbirth. LAM had to be determined by imaging, and the latter had to be documented through questionnaires. Risk-of-bias assessment was evaluated using the Risk of Bias in Non-randomized Studies of Interventions tool. A meta-analysis was intended but not performed due to methodological differences among the studies.</p><p><strong>Results: </strong>Of 7621 studies identified, 9 were eventually included, reporting on 1623 women. For LAM assessment, 8 studies used transperineal ultrasound and 1 study utilized magnetic resonance imaging. Sexual function was evaluated using eight different questionnaires. The International Consultation on Incontinence Questionnaire-Vaginal Symptoms was used twice; all others used a variety of methods. Two studies demonstrated an adverse relationship between LAM avulsion and sexual dysfunction; in the other studies no such relationship was present.</p><p><strong>Conclusions: </strong>The current data are scarce and methods diverse. Little evidence was found to suggest an association between LAM-avulsion and sexual dysfunction in women within 24 months after vaginal delivery.</p>","PeriodicalId":14355,"journal":{"name":"International Urogynecology Journal","volume":" ","pages":""},"PeriodicalIF":1.8,"publicationDate":"2026-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147662659","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Russian Translation and Validation of the Pelvic Organ Prolapse/Incontinence Sexual Questionnaire-International Urogynecology Association Revised.","authors":"Kamila Kenbayeva, Botagoz Aitbayeva, Ayazhan Auyeskanova, Yelena Luchshayeva, Galymzhan Toktarbekov, Dana Baktybayeva","doi":"10.1007/s00192-026-06585-9","DOIUrl":"https://doi.org/10.1007/s00192-026-06585-9","url":null,"abstract":"<p><strong>Introduction and hypothesis: </strong>This study was aimed at translating and validating the Pelvic Organ Prolapse/Incontinence Sexual Questionnaire-International Urogynecology Association Revised (PISQ-IR) into Russian and assessing its clinical validity within a Russian-speaking population.</p><p><strong>Methods: </strong>The PISQ-IR was translated into Russian following the PISQ-IR Translation Protocol of the International Urogynecological Association. Internal consistency was measured using Cronbach's alpha, whereas external consistency was evaluated by administering the Female Sexual Function Index-Short Form (FSFI-SF), the Pelvic Floor Distress Inventory Questionnaire, the International Consultation on Incontinence Questionnaire (ICIQ), and the Pelvic Organ Prolapse/Urinary Incontinence Sexual Questionnaire. Clinical data were collected, and the PISQ-IR subscales were compared with the Pelvic Organ Prolapse Quantification (POP-Q) stage, pelvic floor muscle tone, and the Oxford Grading Scale.</p><p><strong>Results: </strong>The PISQ-IR was completed by 220 women, 76 (34.5%) of whom identified as not sexually active (NSA) and 144 (65.5%) as sexually active (SA). In both the SA and NSA groups, most subscales demonstrated acceptable internal consistency (Cronbach's alpha ranging from 0.60 to 0.92). Significant correlations were observed between the PISQ-IR scores, POP-Q stage, and ICIQ in the NSA group, as well as between the PISQ-IR scores and the FSFI-SF in the SA group.</p><p><strong>Conclusions: </strong>The Russian-language PISQ-IR is a reliable and easily administered tool for assessing sexual function in SA women with pelvic organ prolapse and urinary incontinence. Nevertheless, the nonsexually active Partner-Related subscale displayed weak consistency in the NSA cohort, possibly attributable to cultural sensitivity surrounding the disclosure of partner-specific sexual matters.</p>","PeriodicalId":14355,"journal":{"name":"International Urogynecology Journal","volume":" ","pages":""},"PeriodicalIF":1.8,"publicationDate":"2026-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147662687","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
{"title":"Principles and Techniques of Vesicovaginal Fistula Repair.","authors":"Anessa N Rafetto, Nancy Wei, Brian J Linder","doi":"10.1007/s00192-026-06576-w","DOIUrl":"https://doi.org/10.1007/s00192-026-06576-w","url":null,"abstract":"<p><strong>Introduction and hypothesis: </strong>Vesicovaginal fistula (VVF) are anomalous communications between the bladder and vagina, often arising as a complication of obstetric injury or gynecologic surgery. Patients typically present with continuous urinary leakage. Successful repair hinges on adherence to core surgical principles of adequate exposure, tension-free multilayer closure, and well-vascularized tissue interposition when needed.</p><p><strong>Methods: </strong>This video article demonstrates the application of these principles across three cases performed via transvaginal, robotic, and open abdominal approaches. The three patients featured all had recurrent or complex VVF following previous failed repairs. Each procedure emphasized careful mobilization of the fistula tract, layered watertight closure, and interpositional flap selection tailored to the individual's prior surgical history and tissue quality.</p><p><strong>Results: </strong>All three patients achieved durable closure confirmed by postoperative imaging, with restored continence at follow-up. These outcomes illustrate that the route of repair should be guided by patient anatomy, prior interventions, and surgeon expertise rather than a single preferred approach.</p><p><strong>Conclusions: </strong>Successful repair relies on fundamental principles that remain consistent across surgical approaches. When these principles are carefully applied and tailored to individual patient factors, high success rates can be achieved even in challenging or recurrent cases.</p>","PeriodicalId":14355,"journal":{"name":"International Urogynecology Journal","volume":" ","pages":""},"PeriodicalIF":1.8,"publicationDate":"2026-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147662643","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Yuan Wang, Jingping Wang, Lilan Yu, Yihong Xu, Lu Yao, Hongying Huang, Jianmei Wang, Hongying Pan
{"title":"Mode-of-Delivery-Specific Nomograms for Predicting Stress Urinary Incontinence One Year After Childbirth.","authors":"Yuan Wang, Jingping Wang, Lilan Yu, Yihong Xu, Lu Yao, Hongying Huang, Jianmei Wang, Hongying Pan","doi":"10.1007/s00192-026-06621-8","DOIUrl":"https://doi.org/10.1007/s00192-026-06621-8","url":null,"abstract":"<p><strong>Introduction and hypothesis: </strong>Postpartum stress urinary incontinence (SUI) is a common pelvic floor disorder that impairs quality of life. Early identification of high-risk women is important for targeted interventions; however, prediction tools specific to delivery mode remain limited.</p><p><strong>Methods: </strong>This retrospective cohort study enrolled women who underwent vaginal delivery (VD) or cesarean section (CS) at a single center. Two delivery-mode-specific prediction models for SUI at 1 year postpartum were developed using LASSO regression followed by multivariable logistic regression. Independent predictors were incorporated into nomograms to facilitate individualized risk estimation. Model performance was evaluated on the basis of discrimination (AUC), calibration, and clinical utility through decision curve analysis. Temporal internal-external validation was conducted to further assess model robustness.</p><p><strong>Results: </strong>The incidence of postpartum SUI was 37.01% following VD and 28.10% following CS. For VD, independent predictors included SUI during pregnancy, parity, and manual placental removal. For CS, independent predictors were SUI during pregnancy, history of constipation, history of chronic cough or sneezing, history of cervical insufficiency, and twin pregnancy. Both models demonstrated good discrimination (training AUC VD 0.73, CS 0.75; internal testing VD 0.725, CS 0.748), robust calibration (VD P = 0.482; CS P = 0.884), and substantial clinical net benefit across wide threshold ranges. Temporal internal-external validation further supported the strong performance of both models.</p><p><strong>Conclusions: </strong>Delivery mode-specific nomograms provide a reliable method for estimating the risk of postpartum SUI, enabling early and individualized intervention. Implementing these models may improve postpartum pelvic floor management, reduce SUI incidence, and support precision health strategies.</p>","PeriodicalId":14355,"journal":{"name":"International Urogynecology Journal","volume":" ","pages":""},"PeriodicalIF":1.8,"publicationDate":"2026-04-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"147662544","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}