Occasionally, as pelvic rehab providers, we will encounter the question from our patients, “Do vaginal weights help with urinary incontinence and pelvic floor performance?” The premise behind the use of vaginal cones or balls is that holding them actively in your vagina with your pelvic floor muscles helps to increase the performance (strength and endurance) of the pelvic floor muscles, assisting in reduction of urinary incontinence.
A recent systematic review (Midwifery, 2015) explores this topic for a specific population of post-partum women with urinary incontinence. The question to be answered was “Does the vaginal use of cones or balls by women in the post-partum period improve performance of the pelvic floor muscles and urinary continence, compared to no treatment, placebo, sham treatment or active controls?”. This review had extensive search criteria. The types of participants in the studies analyzed were post-partum women up to 1 year (when starting interventions) of any parity, that underwent any mode of birth or birth injuries, and had or did not have urinary incontinence. Exclusion criteria were pregnant women, anal incontinence, and major genitourinary/pelvic morbidity. Any frequency, intensity, duration of pelvic exercises with the devices, and any form, size, weight, or brand of vaginal balls or cones were considered. Participants could undergo any type of instruction, either from a health care provider, or self-taught from written materials.
Of the searched studies, all were randomized or quasi-randomized controlled trials. The primary outcomes of the searched studies were pelvic floor muscle performance (strength or endurance) and/or urinary incontinence, both assessed with a valid or reliable method. 37 potentially useful articles were reviewed out of 1324 based on the search criteria, but only one article met all of the inclusion criteria and was included in this review with 192 relevant participants (Wilson and Herbison).
In the included study, the group that used vaginal cones (compared to control group) showed a statistically significant lower rate of urinary incontinence. However, when compared to the pelvic exercises group, the continence rates were similar at 12 months post-partum between the cone group and the exercising group. At 24-44 months post-partum, continence rates amongst all groups were similar, but follow-up rates were very low.
As pelvic rehabilitation providers, it is our job to promote pelvic health and assist our post-partum patients with their pelvic impairments, providing them with options to meet their goals. This review does not make a scientific statement of a preferred mode of pelvic exercise, however, it gives us one more option to consider when teaching patients about how to improve pelvic muscle performance to increase urinary continence following child birth. Pelvic exercise enhances pelvic performance, so if your patient would prefer to use vaginal cones or balls to do their pelvic exercise versus completing pelvic exercises without them, do what works best for the patient. One can argue that any pelvic exercise is better than none in improving performance. The use of vaginal cones or balls may be helpful for urinary continence in post-partum women, and provides us with one tool more when promoting pelvic health in our patients.
Oblasser, C., Christie, J., & McCourt, C. (2015). Vaginal cones or balls to improve pelvic floor muscle performance and urinary continence in women post-partum: A quantitative systematic review. Midwifery, 31(11), 1017-1025.
Wilson, P. D., & Herbison, G. P. (1998). A randomized controlled trial of pelvic floor muscle exercises to treat postnatal urinary incontinence. International Urogynecology Journal, 9(5), 257-264.
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