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Erschienen in:
01.12.2010 | Genetics
The utility of embryo banking in order to increase the number of embryos available for preimplantation genetic screening in advanced maternal age patients
Erschienen in: Journal of Assisted Reproduction and Genetics | Ausgabe 12/2010
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Purpose
To determine if embryo banking with PGS is more optimal than proceeding with PGS regardless of embryo number.
Methods
Patients were divided into 2 groups, group 1 were those that banked embryos and proceeded through another round of IVF prior to PGS, and group 2 underwent PGS regardless of embryo number. Group 2 was divided into group 2A (patients with >10 embryos) and group 2B (patients who had <10 embryos).
Results
There was no difference in embryos biopsied, normal embryos, number transferred, and pregnancy rate between group 1 and 2. A significant number of patients did not have a transfer in group 2B (6/11) compared to group 1 (3/19) (P = 0.0419). There was no significance between pregnancy rates per transfer between group 1 (6/16) and group 2B (2/5).
Conclusion
Our data suggests that banking will increase the odds of going to transfer but there was no increase in pregnancy rates.