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DNA碎片指数对体外受精和卵胞浆内单精子注射术胚胎发育的影响 被引量:3

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摘要 目的:探讨精子DNA碎片指数(DFI)对体外受精(IVF)和卵胞浆内单精子注射术(ICSI)胚胎发育的影响。方法:回顾性分析行IVF治疗的不孕夫妇240对,根据男方精子DFI水平分为正常DFI组(DFI<15%)126对和高DFI组(DFI≥15%)114对。比较两组精液参数、IVF和ICSI周期中受精率、卵裂率、优胚率和囊胚形成率。结果:高DFI组精液中精子活力(37.4±11.2)%,显著低于正常DFI组的(44.9±11.2)%,差异有统计学意义(P<0.01)。Spearman相关分析表明,精子DFI与精子活力呈负相关(r=-0.44,P<0.01)。在IVF周期中,高DFI组IVF受精率为(69.4±19.3)%,显著低于正常DFI组的(93.6±10.6)%,差异有统计学意义(P<0.01)。Spearman相关分析表明,精子DFI与受精率呈显著负相关(r=-0.47,P=0.00)。高DFI组优胚率和卵裂率分别为(43.0±10.2)%和(72.0±21.3)%,低于正常DFI组,但差异无统计学意义(P>0.05)。在ICSI周期中,两组受精率、卵裂率、优胚率和囊胚形成率比较,差异均无统计学意义(P>0.05)。结论:精子DFI与精子活力及受精率呈显著负相关,高DFI患者可选择ICSI,以提高受精率,改善胚胎发育。
出处 《交通医学》 2022年第2期153-155,158,共4页 Medical Journal of Communications
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