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单词 Perineal tear
释义

Perineal tear

英语百科

Perineal tear

Illustration of two perineal tears.

In obstetrics, a perineal tear is a spontaneous (unintended) laceration of the skin and other soft tissue structures which, in women, separate the vagina from the anus. Perineal tears mainly occur in women as a result of vaginal childbirth, which strains the perineum. Tears vary widely in severity. The majority are superficial and require no treatment, but severe tears can cause significant bleeding, long-term pain or dysfunction. A perineal tear is distinct from an episiotomy, in which the perineum is intentionally incised to facilitate delivery.

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