近年来，我们在Ｂ超监测下行输卵管通液治疗因输卵管不通所致不孕症４９５例，效果良好，现总结报告如下。临床资料：自１９９６年１０月至１９９８年１１月，我们共检查不孕症患者６３８例，因输卵管不通造成不孕者４９５例。其中原发性不孕症４２例，继发性不孕症４５３例； In recent years, we monitor the downstream B-tube tubal fluid treatment due to tubal obstruction caused by infertility 495 cases, the effect is good, are summarized as follows. Clinical data: From October 1996 to November 1998, we examined 638 infertility patients, infertility due to tubal unreasonable 495 cases. 42 cases of primary infertility, 453 cases of secondary infertility;