This is a randomized controlled trial. A simple randomization procedure will be conducted using computer generated list. This list will be kept with a secretary not involved with the research. A concealed allocation will be performed. All participants will be recruited at Rehabilitation Center of the Clinical Hospital of Ribeirão Preto Medical School, University of São Paulo. The primary outcome of the study will be vaginal palpation, to differentiate women capable or not capable to perform a PFM contraction. The secondary outcome will be measured using the ICIQ- UI SF questionnaire.