结果87例B超追踪检查到结束妊娠，2例低置胎盘，2例边缘性前置胎盘，3例部分性前置胎盘，5例对称的中央性前置胎盘。
Results Among the 87 lying in women traced by B ultrasonography examination, 2 were placenta lower, 2 were marginal placenta previa, 3 were partial placenta previa and 5 were complete placenta previa.
目的探讨中央性前置胎盘的临床处理方法。
Objective To analyze and appraise the clinical management of the central placenta previa.
目的探讨中央性前置胎盘期待疗法的疗效。
Objective To evaluate the efficacy of conservative aggressive management for central placenta previa.
应用推荐