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我院自1982年1月至1996年12月经阴道分娩19648例,期间共有会阴三度裂伤者26例,占0.13%,现分析报告
In our hospital from January 1982 to December 1996, 19648 cases of vaginal delivery, during which a total of 26 cases of perineal third degree laceration, accounting for 0.13%, the analysis report