Blastozystenbeurteilung

In diesem Ordner sollen Studien zur Reproduktionsmedizin gesammelt werden.
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Sonnenschein007
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Blastozystenbeurteilung

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Hier ein Artikel von Gardner et al, der eine wichtige Version der Blastozysten Beurteilung erklärt:

Blastocyst score affects implantation and pregnancy outcome: towards a single blastocyst transfer
D K Gardner et al. Fertil Steril. 2000 Jun.



https://doi.org/10.1016/S0015-0282(00)00518-5

Objective: To determine the relationship between blastocyst score and pregnancy outcome.
Design: Retrospective review of blastocyst transfer in an IVF clinic.
Setting: Private assisted reproductive technology unit.
Patient(s): 107 patients undergoing blastocyst culture and transfer of two embryos.
Intervention(s): Culture of all pronucleate embryos in sequential media to the blastocyst stage (day 5), followed by transfer of two blastocysts.
Main Outcome Measure(s): Implantation rates, pregnancy rates, and twinning were analyzed.
Result(s): When a patient received two top-scoring blastocysts (64% of patients), implantation and pregnancy rates were 70% and 87%, respectively. The twinning rate in this group was 61%. When only one top-quality blastocyst was available for transfer (21% of patients), the implantation and pregnancy rates were 50% and 70%. The twinning rate for this group was 50%. In contrast, when only low-scoring blastocysts were available for transfer (15% of patients), implantation and pregnancy rates were 28% and 44%, and the twinning rate was 29%. No monozygotic twins were observed in this group of patients.
Conclusion(s): The ability to transfer one high-scoring blastocyst should lead to pregnancy rates greater than 60%, without the complication of twins.


Schwangerschaftsraten beziehen sich va auf Double Embryo Transfer
Interessant ist va wie die Beurteilung der Blastozysten gemacht wird.
Sonnenschein007
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Beitrag von Sonnenschein007 »

Leichter lesbar sind diese Erklärungen:

https://www.wunschkinder.net/aktuell/wi ... icht-7071/

Hier eine Tabelle mit Bildern der unterschiedlichen Qualitäten:

https://www.institutobernabeu.com/de/bl ... qualitaet/
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