有时候这是一个CVS早期检查或者叫作绒毛活检，从胎盘处获取绒毛组织。
Sometimes it's an earlier test called CVS, or chorionic villus sampling, which collects a bit of tissue from the placenta.
有些专家认为这项血液试验经过进一步的微调改进，大有可能取代羊膜穿刺或是CVS绒毛活检。
And some suggest that with further fine-tuning, it could largely replace amnio and CVS.
各家公司争相向市场推出了比目前的唐氏检查更准确地血液试验，这可以让孕妇们省去羊膜穿刺或是CVS绒毛活检的需要。
Companies are racing to market a more accurate blood test than those available now that could spare many women the need for an amnio or CVS.
该文就介入性宫内诊断技术中的羊膜腔穿刺术、绒毛活检术、胎儿脐血穿刺术及胎儿镜检查等产前诊断技术的操作和适应症等进行比较和讨论。
Invasive prenatal diagnostic techniques include amniocentesis, chorionic villus sampling(CVS), fetal blood sampling and embryoscopy. In this article, we introduced the procedures of these met…
然而，常规的获得遗传学分析的胎儿组织的方法是有创伤的并且是对胎儿有一定的风险，这些方法包括羊膜腔穿刺和绒毛活检被称为侵入性产前诊断。
However, conventional methods of obtaining fetal tissues for genetic analysis, including amniocentesis and chorionic villus sampling, are invasive and constitute a finite risk to the unborn fetus.
方法回顾性分析4例经手术或穿刺活检病理证实的膝关节色素沉着绒毛结节性滑膜炎的CT表现。
Methods the ct manifestations of 4 cases with pigmented villonodular synovitis (PVNS) in the knee joint which were proved by pathology were analyzed retrospectively.
小肠活检可见小肠绒毛糜乳的扩张和淋巴管扩张。
Biopsy of the small intestine shows dilation of the lacteals of the villi and distension of the lymphatic vessels.
小肠活检可见小肠绒毛糜乳的扩张和淋巴管扩张。
Biopsy of the small intestine shows dilation of the lacteals of the villi and distension of the lymphatic vessels.
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