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ti wai shou jing - pei tai yi zhi tong zhou qi tong bao luan zi bu tong shou jing nong du dui pei tai de ying xiang
Author(s): 
Pages: 2580-2581
Year: Issue:  15
Journal: The Journal of Practical Medicine

Keyword:  体外授精精子浓度胚胎;
Abstract: 目的:探索体外受精一胚胎移植(IVF-ET)中合适的受精精子浓度,以期改善胚胎质量.方法:采用同周期同胞卵子在3种不同精子浓度下孵育4h后剥脱颗粒细胞,比较其受精率、多精受精率、卵裂率、优质胚胎率.结果:3组卵裂率、多精受精率、优质胚胎率差异无显著性(P>0.05),但B组的优质胚胎率有增高的趋势;A组的受精率显著低于B组和C组(P<0.05).结论:IVF时的加精浓度在7 500个前向运动精子/每卵母细胞时可得到较好的胚胎,精子浓度降至5 000个前向运动精子/每卵母细胞时,受精率下降,提示有受精失败的风险.
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