Objective To investigate the uterine involution status after ascending branch ligation of uterine artery plus modified B-lynch suture and to evaluate their safety and feasibility.Methods 26 patients undergoing ascending branch ligation of uterine artery plus modified B-lynch suture were selected as the treatment group 1,30 patients undergoing only uterine arterial ligation as the treatment group 2 and 50 cases of conventional cesarean section in the same period as the control group.The comparative analysis ...