Currently methods are reported that favor the stretching and prevent pelvic floor injuries in vaginal delivery, such as perineal massage and the Epi-No balloon.
This device is well accepted by patients but results for prevention of episiotomy and perineal lesions at birth are controversial. Information from papers were summarized in tables covering the relevant aspects.
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On the biomechanics of vaginal birth and common sequelae. Annu Rev Biomed Eng. Determination of a cutoff value for pelvic floor distensibility using the Epi-no balloon to predict perineal integrity in vaginal delivery: ROC curve analysis.
Prospective observational single cohort study. Sao Paulo Med J. Selective episiotomy vs. Reprod Health. Classification of pratices in normal birth.
