ArticlePregnancy (Hoboken, N.J.)2026
The risk of uterine rupture in trial of labor after cesarean in grand multiparous parturients.
Article in Pregnancy (Hoboken, N.J.), 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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6 authors.
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Abstract
Background: Previous cesarean delivery is the main risk factor for subsequent uterine rupture. This study aimed to determine whether grand multiparity (≥5th delivery) elevates the risk for uterine rupture in trial of labor after cesarean (TOLAC). Study Design: Retrospective study including all TOLACs with vertex presentation, from 2013 to 2024 in a university-affiliated medical center. The study groups were as follows: (1) grand multiparous parturients (current delivery ≥5), (2) parturients at their third-fourth delivery, and (3) parturients at their second delivery. The primary outcome was uterine rupture rate. Secondary outcomes were obstetric and neonatal complications. Results: A total of 8410 TOLACs were recorded during the study period, including 2516 grand multiparous parturients, 2695 women at their third-fourth delivery, and 3199 parturients at their second delivery. Grand multiparous parturients were older ( Conclusions: Grand multiparity does not appear to be associated with an increased risk of uterine rupture in TOLAC.
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