Morphological embryo assessment: reevaluation

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Presentation transcript:

Morphological embryo assessment: reevaluation Haggai Bar-Yoseph, B.Sc., Amalia Levy, Ph.D., Yael Sonin, M.Sc., Sarit Alboteanu, M.Sc., Eliahu Levitas, M.D., Eitan Lunenfeld, M.D., Iris Har-Vardi, Ph.D. Fertility and Sterility Volume 95, Issue 5, Pages 1624-1628.e2 (April 2011) DOI: 10.1016/j.fertnstert.2011.01.034 Copyright © 2011 American Society for Reproductive Medicine Terms and Conditions

Figure 1 The nuclear scoring: grade 1n, ≥75% of blastomeres with one nucleus; grade p1n, <75% of blastomeres with one nucleus; grade NV, no visible nuclei; grade MN, >1 nuclei in one blastomere. Fertility and Sterility 2011 95, 1624-1628.e2DOI: (10.1016/j.fertnstert.2011.01.034) Copyright © 2011 American Society for Reproductive Medicine Terms and Conditions

Figure 2 (A) Pronuclear scoring and implantation rates: grade Z1 versus grade Z2, P=.87; grade Z3 versus grades Z1 and Z2, P=.036; grade Z4 versus grades Z1–Z3, P=.046. (B) Nuclear scoring and implantation rate. P<.001. (C) Embryo morphology scoring on day 2 and implantation rate. P<.001. Fertility and Sterility 2011 95, 1624-1628.e2DOI: (10.1016/j.fertnstert.2011.01.034) Copyright © 2011 American Society for Reproductive Medicine Terms and Conditions

Embryo morphological scoring (IDX): grade IDX1, symmetrical blastomeres with no fragments; IDX2, asymmetrical blastomeres with no fragments; IDX3, symmetrical blastomeres with ≤30% fragmentation; IDX4, asymmetrical blastomeres with ≤30% fragmentation; IDX5, >50% fragmentation. Fertility and Sterility 2011 95, 1624-1628.e2DOI: (10.1016/j.fertnstert.2011.01.034) Copyright © 2011 American Society for Reproductive Medicine Terms and Conditions