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ICSI胞质回吸程度对卵细胞受精及胚胎发育的影响 被引量:1

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摘要 目的探讨卵胞质内单精子注射(ICSI)时胞质回吸程度对卵细胞受精及胚胎发育的影响。方法采用ICSI作为授精方式,且取卵后成熟卵子数量≥12个(不含无精子症患者)的不孕症患者36例。取使用达菲林长方案治疗的不孕症患者的同源卵细胞,根据ICSI中胞质回吸程度不同分等为A、B、C组。A组注射针回吸卵细胞胞质不超过透明带;B组超过透明带,但在距透明带65μm(约为卵子的半径)以内;C组超过透明带,且距透明带的位置>65μm。授精后3 d内连续观察卵细胞受精情况及胚胎发育情况。结果患者经达菲林长方案治疗后共获得卵子713枚,其中成熟卵子601枚,A、B、C组分别有199、217、185枚。C组的未受精率(13.51%)明显高于A组(6.53%)和B组(6%),P均<0.05;C组单原核出现率(0%)低于A组(4.52%)和B组(6.91%),P均<0.05。C组退化率(8.11%)略高于A组(5.53%)和B组(6%),P均>0.05。A、B、C组卵裂率分别为93.29%、92.49%、93.71%,优质胚胎率分别为64.05%、56.25%、59.7%,其中A组优质胚胎率分别高于B、C组(P均<0.05)。结论ICSI中不同程度回吸卵细胞胞质对卵细胞的受精均无明显影响,但大量回吸胞质可导致卵细胞退化率及不受精率增高,少量回吸胞质有利于卵细胞的受精及胚胎发育。
作者 马博 张红
出处 《山东医药》 CAS 2012年第30期41-42,共2页 Shandong Medical Journal
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参考文献12

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