...mbryonic stage ):受精之后的第二周到第八周之间,此时中枢神经系统,以及心脏和四肢、眼耳等重要器官开始形成胎儿期(fetal stage):受精之后第九周到..
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Method: Raven' s Standard Progress Matrices (RSPM) were used to evaluate cognitive function of 616 young students who experienced earthquake during their fetal stage; 616 eontrola had no this experience were assessed with the same instrument.
方法：采用瑞文标准推理测验(RSPM)分别测评616例在胎儿期遭受地震应激但未经历地震体验的青年学生及以地震第二年同期出生的616名学生为对照的认知功能水平。
参考来源 - 母孕期经历唐山大地震的青少年认知功能远期研究 Long·2,447,543篇论文数据，部分数据来源于NoteExpress
Conclusions When the pelvis was normal, fetal macrosomia, abnormal fetal position and abnormal uterine were main causes leading to abnormal second stage of labor.
结论在骨盆正常情况下，新生儿过大、胎方位异常及产力异常是造成第二产程异常的主要原因。
Objective:To establish the new technology for detection of fetal cell-free DNA in maternal plasma at early pregnant stage.
目的：建立一种检测早孕妇女血浆中胎儿游离DNA的新方法。
Objective To explore the efficacy of human fetal membranes(HFM) pressing in combination with infrared irradiation(II) in treating ulcer stage pressure sores.
目的探讨人胎膜敷贴联合红外线灯照射治疗溃疡期压疮的效果。
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