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Vibrating vaginal balls to improve pelvic floor muscle performance in women after childbirth



Staff, Students, Alumni

Speaker: Claudia Oblassser, a practising midwife

A randomised controlled feasibility trial

The Centre for Maternal and Child Health at the School of Health Science, City, University of London welcomes Claudia Oblasser to discuss their finding on Vibrating vaginal balls to improve pelvic floor muscle performance in women after childbirth as part of the research seminar series.


Vibrating vaginal pelvic floor training balls are available in Austria and other countries to enhance women’s pelvic floor muscles following childbirth. Nonetheless, there is currently little empirical knowledge to substantiate their use or assess their relative effectiveness in comparison to current standard care, which involves pelvic floor muscle exercises.

Aim: The purpose of this feasibility trial was to prepare a future randomised controlled trial (RCT) to determine the effectiveness of vibrating vaginal balls for postpartum pelvic floor muscle rehabilitation.

Design: Single (assessor) blind feasibility RCT with two parallel groups.

Methods: Fifty-six women after vaginal birth were recruited in Vienna and randomised into one of two intervention groups to use either a vibrating vaginal ball (n = 37) or the comparator pelvic floor muscle training (n = 19) for 12 weeks. Study design features (recruitment, randomisation, interventions, adherence, data collection methods and tools), trial management and resource issues were assessed and participants’ views and experiences surveyed. Tested outcome measures, collected before and after the intervention, were pelvic floor muscle performance as reported by participants and measured by vaginal manometry. Analysis for feasibility and preliminary effect/harms was by statistics and content analysis.

Results and conclusion: Will be presented at talk

About the speaker

Claudia Oblassser has been a practising midwife (RM) in Austria for almost 20 years. She was awarded her MA Midwifery Practice from Thames Valley University in 2005, which enabled her to take the latest midwifery research to Austria and to teach research knowledge and skills in midwifery education. She was an author and member of the editorial staff of the Austrian Midwifery Journal from 2002-12. In October 2013, Claudia joined City University London as a PhD student, where her area of research is the use of vibrating vaginal balls for pelvic floor muscle rehabilitation after childbirth.

A light lunch with refreshments will be provided.

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When and where

12.45pm - 2.00pmMonday 1st October 2018

MG26 Myddelton Street Building City, University of London 1 Myddelton Street London EC1R 1UW United Kingdom