从胚胎植入的早期胎盘开始表达HLA - G一直持续到怀孕期结束。
The placenta expresses HLA-G from the earliest stages of embryo implantation and the molecule goes away toward the end of pregnancy.
目的：分析胎盘植入的发病因素，探讨胎盘植入的诊断与治疗。
Objective: to analyse the risk factors of placenta accrete, explore the diagnosis and treatment of placenta accrete.
目的：探讨胎盘植入的诊断及治疗。
Objective: To discuss the diagnosis and treatment for placenta implantation.
方法分析6例植入性胎盘在介入治疗前后的声像图特点及超声在清宫术中的引导作用。
Methods The features of implanted placenta on ultrasound and color Doppler flowing imaging in 6 cases were analyzed.
方法：回顾分析22例胎盘植入的保守治疗患者的临床资料。
Methods: Reviewed and analyzed 22 expectant treatment patients for placenta implantation.
方法选自1998年1月-2004年1月我院收治的12例植入性胎盘病人，对其病例资料进行回顾性分析。
Methods Retrospective analysis of 12 cases of placenta accreta who were admitted in our hospital from January 1998 to January 2004.
结论超声可对植入性胎盘进行准确的诊断，并对介入治疗效果进行监护，指导清宫治疗。
Conclusions Implanted placenta can be diagnosed accurately by ultrasonography, which can moniter the therapeutic effect and guide dilatation and curettage.
目的探讨胎盘植入的MRI表现特点及产前诊断价值。
Objective To investigate the characteristics and diagnostic value of MRI for placental invasion.
结论胎盘植入的彩超诊断，对孕妇产时、产后处理起着重要作用。
ConclusionColor Doppler ultrasound has a high sensitivity and specificity for the identification of placenta previa increta, it has the important value for pregnant women's diagnosis.
结论产前MRI对于诊断胎盘植入具有重要价值。
Conclusion MRI is valuable for prenatal diagnosis of placental invasion.
结论产前MRI对于诊断胎盘植入具有重要价值。
Conclusion MRI is valuable for prenatal diagnosis of placental invasion.
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