他说：“化石记录一再证实现代胎盘类哺乳动物的起源是在白垩纪-早第三纪分界点的时候或那之后。
“The fossil record continues to show that the origin of modern placental mammals postdates or is at the Cretaceous-Paleogene boundary, ” he said.
胎儿和胎盘。胎儿的结局是胎儿宫内生长受限和羊水过少，重度或早发的先兆子痫引起胎儿出生体重最大的减少。
J. Fetus and placenta. The fetal consequences are fetal growth restriction and oligohydramnios. Severe or early onset preeclampsia result in the greatest decrements in birth weight.
经检查已听不到胎心，怀疑是胎盘早剥，医护人员紧急进行了剖宫取胎术，为孕妇捡回一条命。
The inspection has not heard fetal heart rate, suspected placental abruption, medical emergency cesarean section were fetal, pregnant women had a narrow escape.
目的：评价彩色多普勒超声(CDFI)及彩色多普勒能量超声(CDE)对胎盘早剥的诊断价值及临床意义。
Objective: To evaluate the value of color Doppler flow image (CDFI) and color Doppler energy (CDE) in the diagnosis of placental abruption.
穿刺术后未出现流产、胎死宫内、胎盘早剥、宫内感染等严重并发症。
Severe complications such as miscarriage, fetal death, placental abruption or intrauterine infection were not found after the operation.
目的探讨提高胎盘早期剥离（胎盘早剥）的治疗水平与改善母儿围生结局的措施。
Objective To investigate the therapy of placenta abruption and the measures to improve the outcome of perinatology.
目的：探讨胎盘早剥的分娩方式的选择。
Objective To explore the choice of the delivery mode of placental abruption cases.
目的：探讨胎盘早剥的病因、早期诊断及处理方法。
Objective: To investigate the etiology, early diagnosis and treatment of placental abruption.
没有宫缩的外伤孕妇一般无胎盘早剥，然而10分钟内宫缩超过一次（每小时6次）的患者胎盘早剥的发病率为20%。
Trauma patients with no uterine contraction activity, usually do not have abruption, while patients with greater than one contraction per 10 minutes (6 per hour) have a 20% incidence of abruption.
方法：回顾性分析31例胎盘早剥的声像图表现及与产后临床诊断的符合率。
Methods: retrospective analysis of 31 placental abruptions and the coincidence ratio with clinical diagnosis.
方法：对2003 ~ 2007年间我院收治的62例胎盘早剥孕妇的临床资料进行回顾性分析。
Methods: Retrospectively analyzed clinical data of 62 cases with placental abruption from 2003 ~ 2007 in our hospital.
方法：回顾性分析本院50例经手术证实胎盘早剥患者的声像图表现。
Methods: Retrospective analysis of 50 cases by surgery in our hospital confirmed ultrasonographic appearance of placental abruption.
方法对我院1996~2006年收治19例胎盘早剥的资料进行回顾性分析。
Methods: Data of 19 cases of placental abruption registered in our hospital from 1996~2006 were analyzed retrospectively.
可以导致新生儿脑损伤的因素包括胎盘早剥、胎粪吸入、脐带脱垂、难产、子痫、孕妇低血压以及孕妇大出血。
Factors that can contribute to neonatal brain injury include placental abruption, meconium aspiration, cord prolapse, dystocia, eclampsia, maternal hypotension, and severe maternal bleeding.
目的研究胎盘早剥的超声诊断与临床病理之间的差异。
Objective: To Study of distinction between ultrasonography and clinical pathologic diagnose in abruption placentae.
结果：疑似胎盘早剥进行超声检查50例，其中超声诊断符合率为84%（42/50），漏诊率为16%（8/50）。
Results: Ultrasound examination of suspected 50 cases of placental abruption, in which ultrasound diagnosis was 84%(42/50), missed diagnosis rate was 16% (8/50).
目的：探讨重型胎盘早剥的临床特点，寻找胎盘早剥的最好防治措施。
Objective:To explore the clinical characteristic of severe placental abruption and find the best way to prevent and treat it.
目的探讨胎盘早剥的诱因、危险性及防治措施。
To evaluate the cause, danger, prevention and treatment of placental abruption.
目的：总结胎盘早剥超声诊断漏误诊原因。
Objective:To analyze the reasons of misdiagnosis and missed diagnosis of placental abruption by ultrasonography.
死胎组（删除胎盘早剥者）脐动脉S/D值高于对照组，血压低于对照组（P值均〈0.01）。
The stillbirth group(delete those with placental abruption)was significantly higher in umbilical cord blood S/D value and lower blood pressure(P0.01).
方法：回顾性分析2006 ~ 2008年期间发生的60例胎盘早剥患者的临床资料。
Method: Review analysis 2006-2008 year period occurs 60 example placenta early exhausted patient's clinical material.
结论：超声诊断胎盘早剥迅速、准确，具有临床实用价值。
Conclusion: Ultrasound diagnosis of placental abruption is rapid, accurate and it has clinical value.
结论：首次分娩采用剖宫产女性在第二次怀孕(单胎)发生前置胎盘风险为47%，发生胎盘早剥风险为40%。
Conclusion Caesarean section for first live birth is associated with a 47% increased risk of placenta praevia and 40% increased risk of placental abruption in second pregnancy with a singleton.
目的：探讨胎盘早剥诱因及处理对策。
Objective: Discusses the placenta early exhausted cause and the processing countermeasure.
回顾性分析我院5年来78例胎盘早剥的声像图特征。
Methods A retrospective study was made to analyze 78 cases of placenta abruption .
子痫前期，胎盘早剥与宫内死胎患者血清CD活性显著高于正常孕妇，均P<0.01。
The serum CD activity in patients of placenta premature separation, preeclampsia and intrauterine fetal death was distinctly higher than that in normal pregnancies ( P< 0.001).
子痫前期，胎盘早剥与宫内死胎患者血清CD活性显著高于正常孕妇，均P<0.01。
The serum CD activity in patients of placenta premature separation, preeclampsia and intrauterine fetal death was distinctly higher than that in normal pregnancies ( P< 0.001).
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