Relationship between pre-embryo pronuclear morphology (zygote score) and standard day 2 or 3 embryo morphology with regard to assisted reproductive technique.

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Presentation transcript:

Relationship between pre-embryo pronuclear morphology (zygote score) and standard day 2 or 3 embryo morphology with regard to assisted reproductive technique outcomes John F. Payne, M.D., Douglas J. Raburn, Ph.D., Grace M. Couchman, M.D., Thomas M. Price, M.D., Margaret G. Jamison, Ph.D., David K. Walmer, M.D., Ph.D. Fertility and Sterility Volume 84, Issue 4, Pages 900-909 (October 2005) DOI: 10.1016/j.fertnstert.2005.04.047 Copyright © 2005 American Society for Reproductive Medicine Terms and Conditions

FIGURE 1 Representative embryos showing the characteristics of different Z-scores: Z1 (a, b), Z2 (c), Z3 (d–f), Z4 (g–i). Payne. Zygote score, embryo morphology, and ART outcomes. Fertil Steril 2005. Fertility and Sterility 2005 84, 900-909DOI: (10.1016/j.fertnstert.2005.04.047) Copyright © 2005 American Society for Reproductive Medicine Terms and Conditions

FIGURE 2 Distribution of Z-scores for 552 total and 286 transferred embryos. Payne. Zygote score, embryo morphology, and ART outcomes. Fertil Steril 2005. Fertility and Sterility 2005 84, 900-909DOI: (10.1016/j.fertnstert.2005.04.047) Copyright © 2005 American Society for Reproductive Medicine Terms and Conditions

FIGURE 3 Transferred embryo pool by Z-score and pregnancy. Payne. Zygote score, embryo morphology, and ART outcomes. Fertil Steril 2005. Fertility and Sterility 2005 84, 900-909DOI: (10.1016/j.fertnstert.2005.04.047) Copyright © 2005 American Society for Reproductive Medicine Terms and Conditions

FIGURE 4 Transferred embryo pool by “best” and “good” quality scores. Payne. Zygote score, embryo morphology, and ART outcomes. Fertil Steril 2005. Fertility and Sterility 2005 84, 900-909DOI: (10.1016/j.fertnstert.2005.04.047) Copyright © 2005 American Society for Reproductive Medicine Terms and Conditions