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目的探讨体外受精胚胎移植(IVF-ET)中,取卵日卵泡直径与卵子回收率、相应卵泡获得的卵子质量、受精和卵裂的关系。方法回顾性分析接受卵泡浆内单精子注射(ICSI)治疗的30个周期100个卵泡,根据卵泡大小分为五组,对五组的卵子回收率、卵母细胞的卵冠丘复合物(OCCC)评分、受精评分、卵裂评分进行比较和分析。结果将穿刺卵泡分为五组,A组<16 mm、B组16~18 mm、C组18.5~20 mm、D组20.5~22 mm、E组>22 mm;五组的获卵率、OCCC评分、受精评分、卵裂评分差异均有统计学意义(P<0.05)。结论取卵日目标卵泡在16~22 mm之间成熟卵子回收率高并能获得高质量胚胎。
Objective To investigate the relationship between ovum follicle diameter and ovum recovery, egg quality, fertilization and cleavage in IVF-ET. Methods A retrospective analysis of 100 follicles in 30 cycles receiving intracytoplasmic sperm injection (ICSI) was divided into five groups according to the size of the follicles. The recovery rate of ovum, the ovary cumulus complex (OCCC ) Score, fertilization score, cleavage score were compared and analyzed. Results The group of puncture follicles was divided into five groups: group A <16 mm, group B 16-18 mm, group C 18.5-20 mm, group D 20.5-22 mm and group E> 22 mm. The ovulation rate, OCCC Score, fertilization score, cleavage score differences were statistically significant (P <0.05). Conclusion The eggs retrieved from the target follicles at 16-22 mm have high recovery rate of mature eggs and high quality embryos.