A prospective study on oocyte survival rate after ICSI: influence of injection technique and morphological features

doi:10.1023/a:1013171505702

. 2001 Dec;18(12):623-8.

doi: 10.1023/a:1013171505702.

A prospective study on oocyte survival rate after ICSI: influence of injection technique and morphological features

T Ebner¹, C Yaman, M Moser, M Sommergruber, K Jesacher, G Tews

Affiliations

PMID: 11808841
PMCID: PMC3455248
DOI: 10.1023/a:1013171505702

Free PMC article

A prospective study on oocyte survival rate after ICSI: influence of injection technique and morphological features

T Ebner et al. J Assist Reprod Genet. 2001 Dec.

Free PMC article

. 2001 Dec;18(12):623-8.

doi: 10.1023/a:1013171505702.

Authors

T Ebner¹, C Yaman, M Moser, M Sommergruber, K Jesacher, G Tews

Affiliation

¹ Women's General Hospital, IVF-Unit, Linz, Upper Austria, Austria. thomas.ebner@li.lkh.ooe.gv.at

PMID: 11808841
PMCID: PMC3455248
DOI: 10.1023/a:1013171505702

Abstract

Purpose: To determine the influence of technical pitfalls and oocyte morphology on survival rate and cleavage behavior after ICSI.

Methods: A total of 2210 injection procedures was examined for morphological and technical deviations. Survival rate and cleavage behavior were evaluated.

Results: In 77.8% of all cases ICSI was unsuspicous. Out of 491 deviations from optimal injection deep penetration of the oocyte and abundant presence of cumulus cells showed significant correlation with degeneration rate (p < 0.001). Morphological anomalies associated with the periphery of the oocyte were rather related to degeneration than cytoplasmic anomalies (p < 0.001). Early embryonic development was not impaired by technical or morphological parameters.

Conclusions: To conclude, these prospective data may be of prognostic value in regard of the number of embryos available for transfer and may help to improve treatment outcome.

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References

1. Gordon JW, Grunfeld L, Carrisi G, Talansky BE, Richards C, Laufer N. Fertilization of human oocytes by sperm from infertile males after zona pellucida drilling. Fertil Steril. 1988;50:68–73. - PubMed
1. Cohen J, Malter HE, Fehilly C, Wright G, Elsner C, Kort H, Massey J. Implantation of embryos after partial opening of oocyte zona pellucida to facilitate sperm penetration. Lancet. 1988;2:162. - PubMed
1. Ng SC, Bongso TA, Ratnam SS. Microinjection of human oocytes: A technique for severe oligoasthenoteratozoospermia. Fertil Steril. 1991;56:1117–1123. - PubMed
1. Palermo G, Joris H, Devroey P, Van Steirteghem AC. Induction of acrosom reaction in human spermatozoa used for subzonal insemination. Hum Reprod. 1992;7:248–254. - PubMed
1. Cohen J, Alikani M, Malter HE, Adler A, Talansky B, Rosenwaks Z. Partial zona dissection or subzonal sperm insertion: Microsurgical fertilization alternatives based on the evaluation of sperm and embryo morphology. Fertil Steril. 1991;56:696–706. - PubMed

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[1] Gordon JW, Grunfeld L, Carrisi G, Talansky BE, Richards C, Laufer N. Fertilization of human oocytes by sperm from infertile males after zona pellucida drilling. Fertil Steril. 1988;50:68–73. - PubMed

[2] Gordon JW, Grunfeld L, Carrisi G, Talansky BE, Richards C, Laufer N. Fertilization of human oocytes by sperm from infertile males after zona pellucida drilling. Fertil Steril. 1988;50:68–73. - PubMed

[3] Cohen J, Malter HE, Fehilly C, Wright G, Elsner C, Kort H, Massey J. Implantation of embryos after partial opening of oocyte zona pellucida to facilitate sperm penetration. Lancet. 1988;2:162. - PubMed

[4] Cohen J, Malter HE, Fehilly C, Wright G, Elsner C, Kort H, Massey J. Implantation of embryos after partial opening of oocyte zona pellucida to facilitate sperm penetration. Lancet. 1988;2:162. - PubMed

[5] Ng SC, Bongso TA, Ratnam SS. Microinjection of human oocytes: A technique for severe oligoasthenoteratozoospermia. Fertil Steril. 1991;56:1117–1123. - PubMed

[6] Ng SC, Bongso TA, Ratnam SS. Microinjection of human oocytes: A technique for severe oligoasthenoteratozoospermia. Fertil Steril. 1991;56:1117–1123. - PubMed

[7] Palermo G, Joris H, Devroey P, Van Steirteghem AC. Induction of acrosom reaction in human spermatozoa used for subzonal insemination. Hum Reprod. 1992;7:248–254. - PubMed

[8] Palermo G, Joris H, Devroey P, Van Steirteghem AC. Induction of acrosom reaction in human spermatozoa used for subzonal insemination. Hum Reprod. 1992;7:248–254. - PubMed

[9] Cohen J, Alikani M, Malter HE, Adler A, Talansky B, Rosenwaks Z. Partial zona dissection or subzonal sperm insertion: Microsurgical fertilization alternatives based on the evaluation of sperm and embryo morphology. Fertil Steril. 1991;56:696–706. - PubMed

[10] Cohen J, Alikani M, Malter HE, Adler A, Talansky B, Rosenwaks Z. Partial zona dissection or subzonal sperm insertion: Microsurgical fertilization alternatives based on the evaluation of sperm and embryo morphology. Fertil Steril. 1991;56:696–706. - PubMed

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A prospective study on oocyte survival rate after ICSI: influence of injection technique and morphological features

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A prospective study on oocyte survival rate after ICSI: influence of injection technique and morphological features

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