Pelvic structure and function at 1 month compared to 7 months by dynamic magnetic resonance after vaginal birth

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• 作者：Aisha A. Yousuf ; John O.L. DeLancey ; Catherine J. Br ; on ; Janis M. Miller
• 关键词：levator ani ; pelvic organ prolapse ; pelvimetry ; vaginal delivery
• 刊名：American Journal of Obstetrics and Gynecology
• 出版年：2009
• 出版时间：November 2009
• 年：2009
• 卷：201
• 期：5
• 页码：514.e1-514.e7
• 全文大小：1217 K

文摘

Objective

We sought to determine whether changes exist in location and movement of pelvic floor structures at 1 and 7 months postpartum.

Study Design

Midsagittal magnetic resonance images from 13 primiparous women with birth events associated with levator ani damage at early (1 month) and late (7 months) postpartum time points were analyzed. Pelvic floor structure locations at rest and displacements from rest to maximum Kegel and Valsalva were determined. Urogenital and levator hiatus diameters were measured as well.

Results

The perineal body was 7.1 mm and anal verge 7.9 mm higher at 7 months postpartum (P = .003). Both the urogenital and levator hiatus diameters were smaller at 7 months (P < .05). Displacement during Kegel and Valsalva was similar between the 2 time points.

Conclusion

Resting locations of the perineal body and anal verge are higher at 7 months postpartum, but the amount of movement during Kegel or Valsalva does not change.