A more detailed blastocyst grading system provides a better selection of blastocysts with the highest implantation potential. Grading systems will help to decrease the number of blastocysts to be transferred without c...A more detailed blastocyst grading system provides a better selection of blastocysts with the highest implantation potential. Grading systems will help to decrease the number of blastocysts to be transferred without compromising high implantation and pregnancy rates.展开更多
A retrospective study of 5,982 embryos in 619 blastocyst- stage embryo transfer cycles revealed that detection of multinucleated blastomeres either on day 2 or 3 signifies a poor prognosis for blastocyst formation and...A retrospective study of 5,982 embryos in 619 blastocyst- stage embryo transfer cycles revealed that detection of multinucleated blastomeres either on day 2 or 3 signifies a poor prognosis for blastocyst formation and that no good- quality blastocyst can be expected from an embryo with more than one multinucleated blastomere. Patients should be counseled regarding a poor prognosis when multiple embryos with multinucleated blastomeres are present.展开更多
文摘A more detailed blastocyst grading system provides a better selection of blastocysts with the highest implantation potential. Grading systems will help to decrease the number of blastocysts to be transferred without compromising high implantation and pregnancy rates.
文摘A retrospective study of 5,982 embryos in 619 blastocyst- stage embryo transfer cycles revealed that detection of multinucleated blastomeres either on day 2 or 3 signifies a poor prognosis for blastocyst formation and that no good- quality blastocyst can be expected from an embryo with more than one multinucleated blastomere. Patients should be counseled regarding a poor prognosis when multiple embryos with multinucleated blastomeres are present.