Impact of childbirth and mode of delivery on vaginal resting pressure and on pelvic floor muscle strength and endurance - 21/12/12
Résumé |
Objective |
We sought to study impact of delivery mode on vaginal resting pressure (VRP) and on pelvic floor muscle (PFM) strength and endurance, and whether these measurements differed in women with and without urinary incontinence.
Study Design |
We conducted a cohort study following 277 nulliparous women from midpregnancy to 6 weeks postpartum. Manometer was used for PFM measurements; differences were analyzed by t test (within groups) and analysis of variance (between groups).
Results |
Only VRP changed significantly (10% reduction, P = .001) after emergency cesarean section. After normal and instrumental vaginal delivery, VRP was reduced by 29% and 30%; PFM strength by 54% and 66%; and endurance by 53% and 65%, respectively. Significant differences for all PFM measures (P < .001) were found when comparing cesarean vs normal and instrumental vaginal delivery, respectively. Urinary continent women at both time points had significantly higher PFM strength and endurance than incontinent counterparts (P < .05).
Conclusion |
Pronounced reductions in VRP and in PFM strength and endurance were found after vaginal delivery. Continent women were stronger than incontinent counterparts.
Le texte complet de cet article est disponible en PDF.Key words : mode of delivery, pelvic floor muscle strength and endurance, pregnancy and childbirth, urinary incontinence, vaginal resting pressure
Plan
| This study was funded by the South-Eastern Norway Regional Health Authority and the Research Council of Norway. |
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| The authors report no conflict of interest. |
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| Reprints not available from the authors. |
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| Cite this article as: Hilde G, Stær-Jensen J, Siafarikas F, et al. Impact of childbirth and mode of delivery on vaginal resting pressure and on pelvic floor muscle strength and endurance. Am J Obstet Gynecol 2013;208:50.e1-7. |
Vol 208 - N° 1
P. 50.e1-50.e7 - janvier 2013 Retour au numéro
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