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Erschienen in: Journal of Assisted Reproduction and Genetics 2/2011

01.02.2011 | Assisted Reproduction Technologies

Correlation between embryological factors and pregnancy rate: development of an embryo score in a cryopreservation programme

verfasst von: Miquel Solé, Josep Santaló, Ignacio Rodríguez, Montse Boada, Buenaventura Coroleu, Pere N. Barri, Anna Veiga

Erschienen in: Journal of Assisted Reproduction and Genetics | Ausgabe 2/2011

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Abstract

Purpose

To establish which embryo parameters, in frozen thawed embryo transfers, have the highest prognosis value in the establishment of pregnancy. The relative importance of different embryo parameters is used to develop an embryo score.

Methods

Retrospective analysis of the implantation rate in 356 frozen/thawed single embryo transfers. A logistic regression model is used to establish an embryo score.

Results

A direct correlation is established between the implantation rate and fresh embryo development (number of blastomeres and their symmetry), survival rate after thawing and mitosis resumption after overnight culture.

Conclusions

An embryo score is developed to determine the implantation potential of frozen/thawed embryos.
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Metadaten
Titel
Correlation between embryological factors and pregnancy rate: development of an embryo score in a cryopreservation programme
verfasst von
Miquel Solé
Josep Santaló
Ignacio Rodríguez
Montse Boada
Buenaventura Coroleu
Pere N. Barri
Anna Veiga
Publikationsdatum
01.02.2011
Verlag
Springer US
Erschienen in
Journal of Assisted Reproduction and Genetics / Ausgabe 2/2011
Print ISSN: 1058-0468
Elektronische ISSN: 1573-7330
DOI
https://doi.org/10.1007/s10815-010-9498-0

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