靠北?胚胎的染色體異常的比率到底有多高?2/3 !!!!!!!aneuploidy
如果使用全世界最先進的次世代定序NGS去分析胚胎的染色體,
在針對55個病人所製造出來的囊胚胚胎,
這份研究是來自於義大利羅馬的GENOMA團隊,
我們把這個次世代定序NGS研究來看看到底胚胎染色體異常的比率到底有多高,
在50個病人生產的191個胚胎裡面
染色體異常的胚胎有105個,
染色體正常的才只有74個胚胎,
也就是說異常是正常的多了兩倍,
在50個染色體正常的胚胎
植進去47個病人的子宮
總共植入50個胚胎,
有34次的懷孕,
其中有四個流產,
30個繼續懷孕
生下31個試管寶寶
繼續懷孕率為˙62%
胚胎著床率為64%,
臨床懷孕率為63.8%,
從這一份研究可以發現只要是染色體正常,
不稐你是用NGS次世代定序或用微陣列分析aCGH,
那每個胚胎著床的可能性為62%到73%,
所以只要植1-2個胚胎基本上可以有機會締造懷孕的成果,
同時你也可以驚訝的發現胚胎染色體的比率在不正常的比率遠遠超過正常的比率,
在191個胚胎裡面居然有高達105個是染色體異常,
74個是染色體正常,
換言之不正常染色體是正常染色體的1.5倍,
從這個數據也可充分顯示55個病人製
造出74個染色體正常的胚胎,
平均一個人一次試管嬰兒療程能夠製造出來的染色體正常˙有機會懷孕的囊胚期胚胎才只有1.5顆,
染色體正常的囊胚,
可說效率出奇的低。
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