Analysis of the Multifactorial Risks of Postpartum Urinary Incontinence: A Systematic Review

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Abstract
Introduction: Urinary incontinence (UI) is one of the most common pelvic floor disorders after childbirth and depends on hormonal changes, anatomical damage that occurs after childbirth, muscle and connective tissue weakness, fascia and nerves. UI is distinguished into three subtypes, including stress urinary incontinence (SUI), urgent urinary incontinence (UUI) and mixed urinary incontinence (MUI). Aim: The purpose of this review is to collect and summarize the results of studies related to the risk factors of urinary incontinence, to disseminate this information to scientists so that this major issue can be prevented, identified and managed. Methodology: This review followed the methodology of Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) and PECO eligibility criteria were used. We included studies published up to 2025 and not before 2019. The review was limited to studies published within the last six years in order to reflect contemporary diagnostic criteria, assessment tools and current postpartum care practices related to urinary incontinence. We searched PubMed, Google Scholar and Scopus for studies concerning the relationship between risk factors and postpartum UI. Results: A total of 1321 citations were identified. Following our exclusion criteria, 36 papers were selected to identify the risk factors for UI. All the research focused on the associated factors of any type of urinary incontinence. Vaginal and instrumental delivery, obesity, maternal age and the neonate’s birth weight were the main risk factors. The multiparity and incontinence symptoms before and during pregnancy were also strong risk factors. Heterogeneity across studies in assessment tools, in outcome measures and timing of postpartum assessment are some of the limitations of the study. Restriction to English-language publications and the absence of protocol registration were some of the additional limitations of the study. Conclusions: This problem affects the inclusion of women in society, the family, limits social activities and even their ability to work. Detection of the type of urinary incontinence by healthcare professionals, lifestyle modifications, monitoring women’s body weight and encouraging them to follow a program of pelvic floor muscle exercises should be a priority for professionals. The strategy of developing prognostic models in the coming years will be the only way to ensure the early identification and follow-up of women at high risk for urinary disorders.
Funding Information
  • University of West Attica

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