你这次怀孕没有必须剖腹产的指证，如胎盘前置。
You don't have a reason for a cesarean in this pregnancy, such as a placenta previa.
在女性人流后前置胎盘发生率会6- 15倍于常人。
Placenta previa occurs 6 to 15 times more often after a woman has had an abortion.
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.
本文探讨前置胎盘的病因、危害、妊娠的终止、出血后的处理方法，主要是为了降低母婴的死亡率。
This article discusses the causes of placenta previa, harm, termination of pregnancy, bleeding after the treatment, mainly to reduce maternal and infant mortality.
结论腔内探头超声诊断前置胎盘，图像清晰、准确，产时临床诊断符合率高，值得推广应用。
Conclusion This method might have clear and accuracy image to diagnose the placenta previa that should in used in clinic.
目的：探讨前置胎盘剖宫产术中出血的有效治疗措施。
Objective: To pursuit the efficient treatment on blood in the caesarean of placenta previa.
目的：探讨抗磷脂综合征（APS）和前置胎盘的关系。
Objective:To investigate the relationship between Antiphospholipid syndrome (APS) and placenta previa.
结论环形间断缝合术是前置胎盘胎盘剥离面引起出血的有效止血方法之一。
Conclusion Interrupted circular suture is one of the efficient methods in controlling postpartum bleeding during caesarean section with placenta previa.
方法对75例可疑前置胎盘者分别用传统腹部扫查和应用腔内探头扫查定位诊断，并与产时临床诊断比较。
Methods 75 cases who were suspicious be suffered from placenta previa were detected with classical ultrasound and intralumen ultrasound. The results were compared with delivery cases.
目的加强对前置胎盘孕妇的产前产后全面临床观察与护理，早期发现和预防妊娠晚期出血。
Objective To strengthen clinical observation and nursing of pregnant women with placenta previa before and after delivery so that hemorrhage of late pregnancy can be discovered early and prevented.
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.
本文对前置胎盘的诊断和处理进行了讨论。
The diagnosis and treatment of placenta previa are discussed.
目的：探讨前置胎盘剖宫产术时不同止血方法的效果。
Objective: To discuss the value of different hemostatic methods during caesarean section with placenta previa.
发现2例前置胎盘、12例脐带绕颈、1例胎儿宫内发育迟缓及1例葡萄胎等异常。
Placenta previa was see in 2 cases, cord around neck in 12, intrauterine growth retardation in 1, and hydatid mole in one.
本组病例中未遇到低置型前置胎盘。
目的探讨超声诊断孕晚期前置胎盘的临床意义。
Objective To investigate the clinical significance of Ultrasound diagnosis for placenta previa during late pregnancy.
这就是所谓的前置胎盘。
方法对141例有出血高危因素（双胎、羊水过多、巨大儿、前置胎盘）的产妇行剖宫产术。
Methods One hundred and fourty-one women with high hemorrhagic risk factors including twin pregnancy, polyhydramnios, fetal macrosomia, placenta previa were planned cesarean section.
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.
结论前置胎盘产前大出血量不能以胎盘类型、胎盘附着位置及产前出血次数来预测。
Conclusion the type of placenta, the parts of placental attachment and time of massive hemorrhage do not affect the amount of antepartum hemorrhage in patients with placenta previa.
出血；分娩；胎盘，前置；宫缩乏力。
妊娠；前置胎盘；诊断；治疗。
结果胎膜早破，胎儿宫内窘迫，重度妊高征，前置胎盘是引起早产的主要因素。
Premature rupture of membrane, fetal distress, severe pregnancy induced hypertension, placenta praevia were the main risk factors of premature delivery.
目的：探讨前置胎盘发生原因、终止妊娠时机、方式及止血措施。
Objective: to investigate the causes of placenta praevia, the timing and methods of stopping pregnancy and measures of stopping bleeding.
目的：探讨前置胎盘的病因、临床表现及诊治方法。
Objective: To understand the causes and clinical manifestation of placenta praevia, its diagnosis and therapeutic methods.
术中出血量在前置胎盘中央型患者A组较B组显著增加（P< 0 .0 5） ；
The amount of hemorrhage during operation in group A(central placenta previa or placenta attached to the anterior and side walls of uterus)was distinctly greater than in group B(P<0.05).
术中出血量在前置胎盘中央型患者A组较B组显著增加（P< 0 .0 5） ；
The amount of hemorrhage during operation in group A(central placenta previa or placenta attached to the anterior and side walls of uterus)was distinctly greater than in group B(P<0.05).
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