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短暂配子共孵育对人类体外受精的影响。

The effects of brief gamete co-incubation in human in vitro fertilization.

作者信息

Lin S P, Lee R K, Su J T, Lin M H, Hwu Y M

机构信息

Department of Medical Research, Mackay Memorial Hospital, Tamshui, Taipei, Taiwan.

出版信息

J Assist Reprod Genet. 2000 Jul;17(6):344-8. doi: 10.1023/a:1009409229068.

Abstract

PURPOSE

To investigate whether very short exposure of mature oocytes to sperm in vitro may affect the fertilization rates, embryo cleavage rates, and embryo quality between sibling oocytes in the same patient.

METHODS

Sibling oocytes of the same patient from 23 oocyte collection cycles were randomly allocated to the study group, with a 1-hr or 3-hr sperm-oocyte incubation, or the control group with the standard overnight gamete co-incubation. The fertilization rates, cleavage rates, and subsequent embryo quality were evaluated.

RESULTS

Our results showed no statistically significant differences in fertilization rates, embryo cleavage rates, and quality of the embryos between the study group and the control group.

CONCLUSIONS

Since the present study showed that long exposure of the oocyte to sperm has no advantage over short exposure, we prefer shortening the oocyte-sperm incubation period for reducing the negative effect induced by nonphysiologically high concentrations of spermatozoa.

摘要

目的

研究成熟卵母细胞在体外与精子的极短时间接触是否会影响同一患者同胞卵母细胞之间的受精率、胚胎分裂率和胚胎质量。

方法

从23个卵母细胞采集周期中选取同一患者的同胞卵母细胞,随机分为研究组,进行1小时或3小时的精卵共孵育,以及对照组,进行标准的过夜配子共孵育。评估受精率、分裂率和随后的胚胎质量。

结果

我们的结果显示,研究组和对照组之间在受精率、胚胎分裂率和胚胎质量方面没有统计学上的显著差异。

结论

由于本研究表明卵母细胞与精子的长时间接触并不比短时间接触更具优势,我们倾向于缩短精卵孵育时间,以减少非生理性高浓度精子诱导的负面影响。

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本文引用的文献

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Confirmation of the beneficial effects of brief coincubation of gametes in human in vitro fertilization.
Fertil Steril. 1998 Mar;69(3):399-402. doi: 10.1016/s0015-0282(97)00576-1.
6
Influence of sperm parameters on embryo quality.精子参数对胚胎质量的影响。
Fertil Steril. 1993 Nov;60(5):888-92. doi: 10.1016/s0015-0282(16)56292-x.
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Pathophysiology of human spermatozoa.
Curr Opin Obstet Gynecol. 1994 Apr;6(2):128-35.
8
A free radical theory of male infertility.男性不育的自由基理论。
Reprod Fertil Dev. 1994;6(1):19-23; discussion 23-4. doi: 10.1071/rd9940019.

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