laceration of perineum


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laceration of perineum

An injury of the perineum caused by childbirth. The lacerations may be classified as first-, second-, third-, or fourth-degree, depending on the extent of injury. A first-degree laceration may not require repair, but a fourth-degree laceration, which involves the vaginal mucosa, perineal muscles, and the sphincter ani, requires extensive repair.
See: episiotomy
See also: laceration
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