Context Uterine scar defects or scar niche are relatively common after cesarean delivery. An association has been observed between the severity of scar defect, also known as isthmocele, some gynecologic symptoms, and the risk of uterine scar dehiscence at the next delivery. It has been suggested that surgical repair of scar defect could improve the gynecological symptoms, but it remains unclear...

The presence of a uterine cesarean scar defect (CSD) is usually asymptomatic or relates to postmenstrual spotting and dark red or brown discharge, pelvic pain or infertility. Since hysteroscopic isthmoplasty has been documented to be minimally invasive and effective for symptomatic relief, we prefer channel-like resectoscopic treatment for symptomatic CDS with small size resectoscope. 16-Fr res...