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FERTIL STERIL:次优精子体外受精增加胚胎染色体异常风险

2015-10-19 candy 译 MedSci原创

目的:比较来自精子的异常与正常参数的常染色与性染色非整倍数率。设计:回顾群组调查研究机构:辅助生殖中心对象:来自629对进行体外受精夫妇的3835个胚胎。干预:无主要观察指标:比较标准体外受精胚胎、来自正常以及少精症男性的精液样本的ICSI受精囊胚的滋养层非整倍率,其中供体卵(平均年龄25.0岁),自体卵(平均年龄35.4岁)结果:少精症组的性染色体非整倍体率显著高于(约三倍)其他两个组(标准组与

目的:比较来自精子的异常与正常参数的常染色与性染色非整倍数率。

设计:回顾群组调查研究

机构:辅助生殖中心

对象:来自629对进行体外受精夫妇的3835个胚胎。

干预:

主要观察指标:比较标准体外受精胚胎、来自正常以及少精症男性的精液样本的ICSI受精囊胚的滋养层非整倍率,其中供体卵(平均年龄25.0岁),自体卵(平均年龄35.4岁)。

结果:少精症组的性染色体非整倍体率显著高于(约三倍)其他两个组(标准组与ICSI授精组),这适用于无论是使用供体(适龄)还是自己的(大龄)卵。与对照组相比,在少精症样本中发现显著差异,主要表现在第1、2、11条染色体上(自体卵)和第18条(捐赠卵子);然而,总的来说,常染色体非整倍体率在各个组中没有显著差异,(正常男性,标准ICSI授精);其余包括任何染色体的卵群类型组均无统计学差异。

结论:与正常精液样本中的胚胎比较,严重的男性不孕因素与胚胎性染色体异常的发生率显著增加有关。无论是ICSI或标准受精移植后,胚胎来源于正常参数精子的非整体倍率均无显著差异。这项研究凸显出对于严重男方因素不育的家庭,应行早期综合染色体筛查作为可能的转诊类别。

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    2015-10-21 ailian1202
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