会阴、阴道在分娩过程中是最容易损伤的部位。会阴裂伤分为Ⅲ度。Ⅰ度、Ⅱ度裂伤伤及会阴皮肤、皮下组织和肌肉,如能及时发现,正确整齐地缝合,愈后良好。发生Ⅲ度裂伤时伤及肛门括约肌甚至直肠壁,发现后应及时修补,如未及时缝合或手术失败,可形成陈旧性会阴Ⅲ度裂伤,造成日后排便部分或全部失禁,给生活带来了很多不便, The perineum, vagina in the delivery process is the most vulnerable parts. Perineal laceration is divided into Ⅲ degrees. Degree Ⅰ, Ⅱ degree laceration hurt the perineal skin, subcutaneous tissue and muscle, if it can be found in time, the correct and neat suture, the more the better. Third degree laceration injury and anal sphincter or even rectal wall, found that the timely repair, if not timely suture or failure of surgery, can form a third-degree perineal laceration, resulting in some or all incontinence in the future to bring life A lot of inconvenience