结论：急症剖宫产术和胎头入盆后的剖宫产术易引起膀胱损伤，产前生殖道感染易引起剖宫产术后泌尿系感染。
Conclusion : The emergency cesarean section and the cesarean section in which head engaged in brim easily causes the injury of bladder ; the infection of urinary system before cesarean section easily causes the infection after cesarean section .
易宫