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Master Thesis

Comparaison entre pelvimétries externes et pelvimétries internes et leurs utilisations dans les postures de travail et d'accouchement : travail sur pelviscanner

Abstract : Background: The main diameters of the birth canal, namely the obstetric conjugate, transverse diameter, interspinous and bituberous diameter have a major role on the prognosis of vaginal delivery. Since the 17th century, external pelvimetry have been measured to estimate these diameters. Objective The objective was to find out whether it is possible to predict the main diameters of the birth canal from datas of the external pelvimetries with the aim of using its latest in practice when studying labor and delivery positions Methods Quantitative retrospective study on 142 pelviscans of pregnant women carried out at the Laperonie University Hospital Center in Montpellier. External and internal pelvimetries measurements were performed using three-dimensional modeling of pelvis and soft tissues. Results A significantly strong correlation was found between the distance spinous process 5th vertebra - apex of the pubic symphysis and the obstetric conjugate (Pearson coefficient = 0.634; p <0.001), between the greater trochanter distance and the transverse diameter (Pearson's coefficient = 0.628; p <0.001), and finally between the bituberous diameter and the greater trochanter distance (Pearson's coefficient = 0.620; p <0.001). Conclusion Though the results, we identified the distance process of the 5th lumbar vertebra - apex of the pubic symphysis as the optimum variable to predict the obstetric conjugate. The greater trochanter distance makes it possible to predict with a strong correlation the transverse diameter as well as the bituberous diameter
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https://dumas.ccsd.cnrs.fr/dumas-03385682
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Submitted on : Tuesday, October 19, 2021 - 3:32:37 PM
Last modification on : Thursday, October 21, 2021 - 4:39:21 AM

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  • HAL Id : dumas-03385682, version 1

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Estelle Servat. Comparaison entre pelvimétries externes et pelvimétries internes et leurs utilisations dans les postures de travail et d'accouchement : travail sur pelviscanner. Gynécologie et obstétrique. 2021. ⟨dumas-03385682⟩

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