Longitudinal comparison study of pelvic floor function between women with and without stress urinary incontinence after vaginal delivery
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To compare the pelvic floor function between women with and without stress urinary incontinence after vaginal delivery.
Seventeen women (age 35.5 ± 3.5) were prospectively studied at about 6 weeks, 3 months, and 6 months after vaginal delivery. Urinary incontinence was assessed by the International Consultation on Incontinence Questionnaire – Short Form. Pelvic floor function was assessed by antero-posterior diameter of the levator hiatus using transperineal ultrasound.
Five of 17 women experienced postpartum stress urinary incontinence. The antero-posterior diameter of the levator hiatus at rest was significantly longer in stress urinary incontinent women than in continent women until 3 months after delivery (p < 0.01), though shortening of the antero-posterior diameter of the levator hiatus was not significantly different between continent women and stress urinary incontinent women. Regardless of urinary incontinence, the antero-posterior diameter of the levator hiatus at rest shortened at 6 months postpartum, compared to 6 weeks postpartum (p < 0.001). The antero-posterior diameter of the levator hiatus during contraction had shortened only in continent women by 6 months postpartum (p = 0.02).
The extended pelvic floor may be a cause of stress urinary incontinence in the postpartum period. Therefore, treatment to improve the extended pelvic floor should be developed for the prevention of stress urinary incontinence.
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- Longitudinal comparison study of pelvic floor function between women with and without stress urinary incontinence after vaginal delivery
Journal of Medical Ultrasonics
Volume 40, Issue 2 , pp 125-131
- Cover Date
- Print ISSN
- Online ISSN
- Springer Japan
- Additional Links
- Pelvic floor function
- Stress urinary incontinence
- Transperineal ultrasound
- Author Affiliations
- 1. Department of Gerontological Nursing/Wound Care Management, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo, Tokyo, 113-0033, Japan
- 2. Department of Nursing, The University of Tokyo Hospital, Tokyo, Japan
- 3. Department of Midwifery and Women’s Health, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan
- 4. Department of Clinical Trial Design and Management, Translational Research Center, Kyoto University Hospital, Kyoto, Japan
- 5. Oita University of Nursing and Health Science, Oita, Japan
- 6. Department of OB/GYN, Graduate School of Medicine, The University of Tokyo, Tokyo, Japan