The effects of mediolateral episiotomy on pelvic floor function after vaginal delivery

Andrea Sartore, Francesco De Seta, Gianpaolo Maso, Roberto Pregazzi, Eva Grimaldi, Secondo Guaschino

Research output: Contribution to journalArticle

Abstract

OBJECTIVE: To evaluate the effect of mediolateral episiotomy on puerperal pelvic floor strength and dysfunction (urinary and anal incontinence, genital prolapse). METHODS: Five hundred nineteen primiparous women were enrolled 3 months after vaginal delivery. Puerperae were divided in 2 groups: group A (254 women) comprised the women who received mediolateral episiotomy and group B (265 women) the women with intact perineum and first- and second-degree spontaneous perineal lacerations. Each woman was questioned about urogynecological symptoms and examined by digital test, vaginal perineometry, and uroflowmetric stop test score. Data were subjected to Student t test and Fisher exact test to assess, respectively, the difference between the mean values and the proportions within the subpopulations. Using a simple logistic regression model to test an estimate of relative risk, we expressed the odds ratios of the variables considered with respect to the control population (group B). RESULTS: No significant difference was found with regard to the incidence of urinary and anal incontinence and genital prolapse, whereas dyspareunia and perineal pain were significantly higher in the episiotomy group (7.9% versus 3.4%, P = .026; 6.7% versus 2.3%, P = .014, respectively). Episiotomy was associated with significantly lower values, both in digital test (2.2 versus 2.6; P <.001) and in vaginal manometry (12.2 versus 13.8 cm water; P <.001), but not in uroflowmetric stop test. CONCLUSION: Mediolateral episiotomy does not protect against urinary and anal incontinence and genital prolapse and is associated with a lower pelvic floor muscle strength compared with spontaneous perineal lacerations and with more dysparennia and perineal pain.

Original languageEnglish
Pages (from-to)669-673
Number of pages5
JournalObstetrics and Gynecology
Volume103
Issue number4
DOIs
Publication statusPublished - Apr 2004

ASJC Scopus subject areas

  • Obstetrics and Gynaecology

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