[目的]探讨利用输尿管镜微创技术治疗妊娠期合并顽固性肾绞痛的可行性及临床效果。[方法]回顾性分析22例输尿管镜治疗妊娠合并顽固性肾绞痛患者的临床资料。[结果]所有患者肾绞痛，发热等症状消失。20例一次性碎石成功（90．9％），2例输尿管上段结石因结石上方输尿管扩张明显，碎石上移到肾盂，予以留置双J管，产后予以体外冲击波碎石治愈。本组无大出血，输尿管穿孔，撕脱等严重并发症，22例患者均顺利度过围产期，并分娩健康婴儿。[结论]妊娠合并顽固性肾绞痛患者采用输尿管镜治疗是安全有效的。“,”[Objective] To explore the feasibility and clinical efficacy of ureteroscopy for the treatment of refractory renal colic during pregnancy .[Methods] Clinical data and treatment of 22 patients with refractory renal colic during pregnancy were retrospectively analyzed .[Results]Symptoms such as fever of all patients with renal colic disappeared .One-time successful lithotripsy was obtained in 20 cases(90 .9% ) .The stones of 3 patients with upper ureteral calculi moved to renal pelvis due to obvious dilatation of ureter above the calculi , and these 2 cases were placed with double J-tube and cured by extracorporeal shock wave lithotripsy after the delivery .No severe complications such as massive hemorrhage ,ureteral perforation and avulsion occurred in the group .All 22 patients were delivered with healthy babies after safe perinatal period .[Conclusion] Uret-eroscopy for the treatment of patients with refractory renal colic during pregnancy is safe and effective .