CSD= cesarean scar defect; TVS= transvaginal sonography; TRM= thickness of the residual myometrium

Data presented as mean ± SD (range) for duration of menstruation and TRM at median months after surgery, CSD length, width, depth and TRM at 3 or 6 months after surgery. Data presented as numbers (percentage) for duration of menstruation at median months after surgery, TVS or MRI findings at 3 or 6 months after surgery and Class-A healing.