|
Grade |
Description |
|
Grade 1 |
Vaginal mucosa and perineal skin injury only. |
|
Grade 2 |
Involves perineal muscles (not anal sphincter). |
|
Grade 3 |
Anal sphincter injury:
- 3a: <50% EAS torn - 3a: >50% EAS torn - 3c: Complete EAS & IAS tear |
|
Grade 4 |
Complete EAS, IAS, and rectal mucosa tear. |
Classification of Perineal Tear
Obstetrics & Gynaecology
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