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Definition of Perineum

Perineum: The area between the anus and the scrotum in the male and between the anus and the vulva (the labial opening to the vagina) in the female. An episiotomy is a surgical procedure to widen the outlet of the birth canal to facilitate delivery of the baby and avoid a jagged rip of the perineum.

Source: MedTerms™ Medical Dictionary
http://www.medicinenet.com/script/main/art.asp?articlekey=4836
Last Editorial Review: 8/28/2013

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