Ultrasonographic anatomy of perineal structures during pregnancy and immediately following obstetric injury.


OBJECTIVES To assess perineal anatomy using ultrasound before and immediately after delivery. METHODS Structures in the perineum were studied by real-time two-dimensional transvaginal and endoanal ultrasound imaging using a combined linear and semicircular (up to 200 degrees sector) probe. We examined 45 nulliparous pregnant women and 44 primiparae… (More)
DOI: 10.1002/uog.6122


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