Hemorrhage into the decidua basalis, formed retroplacental hematoma, lead to the separation of the placenta.

一)主要病理变化:底蜕膜出血，形成血肿，使胎自附着处剥离。

Methods The ultrasonographic images in 76 patients with abruptio placentae were reviewed.

方法对76例被临床及病理证实为胎早剥的声像图表现进行回顾性分析。

Objective To explore clinical value of color Doppler flow imaging(CDFI) for diagnosis of abruptio placentae.

目的探讨彩超诊断胎早剥的临床价值。

The major indicatio of subtotal hysterectomy were postpartum hemorrhage, uterine inertia and placental related factors.

产后出血、宫缩乏力和胎因素是子宫次全切术的主要手术指。

Horseplacenta with barbwire,bullets, and broken glass.Used it for a metal flyer series.

有钩铁丝的胎子弹图片 Placenta with barbwire,bullets.

However, these must be distinguished from simple "hydropic degeneration" seen in placentas of fetuses undergoing intrauterine demise.

须水样变性相区别。图示子宫内胎正在死亡。

Human chorionic gonadotropic (hCG) and human placental latogen (hPL) are peptide hormones produced and excreted by placental trophoblastic cells during pregnancy.

人绒毛膜促性腺激素、人胎生乳素是胎滋养细胞合成和分泌的肽类激素。

The incidence of hysterectomy was 0.079%, thereinto, cesarean hysterectomy accounted for 80% and its main indications were placenta factors and uterine acratia.

产科子宫切除术发生率为0.079%,其中,剖宫产子宫切除占80%,子宫切除术主要指为胎因素和子宫收缩乏力。

Active placentin from lamb placenta was extracted by modern technology of biological engineering, the preparation technology is simple and needed no specific purification process.

摘要以健康羊胎为原料，采用现代生物工程技术制备活化羊胎素，制备工艺简，无需特殊提手段。

Objective To observe pulsative index (PI), resistant index (RI) of placental helicine arteries by colour Doppler, analyses relation between PI, RI and developing of pregnant hypertension.

目的本研究采用彩色多普勒检测孕妇子宫胎床螺旋动脉搏动指数（PI），阻力指数（RI），预测妊高的发生、发展及预后。

This disease is an unusualsevere type of hemolytic disease of newborn (erythroblastosis fetalis)characterized by pathognomonic edema of whole body and the placenta.All the cases were dead fetuses.

胎儿水肿属新生儿溶血病的一种,最显著的病变为全身水肿及胎水肿。

Results The distribution of VEGF in placenta of normal group is similar to that of PIH group.They all are found in villous trophoblast,villous blood vessels and villous strome.

结果VEGF在正常妊娠胎和妊高胎中分布基本一致，分布在滋养细胞、血管及绒毛间质。

MeHg can easily pass through the placental barrier, accumulate in the fetus and change the behavior and perceptibility of the second generation related to the function of central nervous system.

它极易通过胎屏障进入胎儿体内,影响子代的生长发育,改变子代中枢神经系统功能有关的行为和认知能力。