会阴侧切是产科常用手术之一，预防术后刀口感染是产科工作的重要内容。１９９７年３月以来，我科采用ＴＷ—３微波治疗仪照射会阴切口，未发生刀口感染，并缩短了拆线时间。１　临床资料会阴侧切术产妇共２５２例，均为初产妇。分两组：微波组１３０例，其中会阴严重水肿者２ Perineal lateral incision is one of the commonly used obstetric surgery to prevent knife-edge infection is an important part of obstetric work. Since March 1997, our department used the TW-3 microwave therapeutic apparatus to irradiate the perineal incision without incisional wound infection and shortened the removal time. 1 clinical data perineal excision of a total of 252 cases of mothers, all primipara. Divided into two groups: microwave group of 130 cases, of which severe perineal edema 2