[名词解释] 子宫破裂(rupture of uterus)

产后出血(postpartum hemorrhage) 关食管癌的描述中，错误的是() ["A．食管上段最常见","B．可见原位癌","C．亚硝胺与食管癌发生有关","D．可以多中心发生","E．鳞状细胞癌多见"] 胎盘剥离不全 脐带过短 脐带脱垂(prolapse of umbilical cord) 子宫破裂(rupture of uterus)