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An Experimental Paradigm for the Prediction of Post-Operative Pain PPOP
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Postpartum symphysis pubis diastasis.

Leila Khorashadi, Jonelle M Petscavage, Michael L Richardson

    Radiology Case Reports
    |June 17, 2016
    PubMed
    Summary

    Pubic symphysis widening during pregnancy, especially over 15mm (subluxation), can cause pain and deformity. While conservative treatment is common, surgical stabilization may be necessary in some cases.

    Area of Science:

    • Anatomy
    • Orthopedics
    • Physiology

    Background:

    • The pubic symphysis is a midline, nonsynovial joint connecting the superior pubic rami.
    • It features a fibrocartilaginous disk reinforced by ligaments, allowing minimal movement (0.5-1mm).

    Observation:

    • Hormonal changes during pregnancy cause physiological widening of the pubic symphysis and sacroiliac joints.
    • Diastasis exceeding 15mm is classified as subluxation, often presenting with pain and swelling.

    Findings:

    • Pregnancy-induced hormonal stimulation leads to pubic symphysis widening.
    • Symphysis pubis diastasis greater than 15mm indicates subluxation, associated with pain and potential deformity.

    Implications:

    • Most cases of pubic symphysis diastasis are managed conservatively.
    Keywords:
    CT, computed tomographyMRI, magnetic resonance imaging

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  • Surgical intervention, including internal or external fixation, may be required for severe or persistent cases.