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Coates, Alison; Bankowski, Brandon J.; Kung, Allen; Griffin, Darren K.; Munne, Santiago (2016)
Publisher: Springer US
Journal: Journal of Assisted Reproduction and Genetics
Languages: English
Types: Article
Subjects: Donor egg, Genetics(clinical), Developmental Biology, Q, Genetics, Assisted Reproduction Technologies, Preimplantation diagnosis for aneuploidy (PGS), Obstetrics and Gynaecology, Aneuploidy, IVF, Reproductive Medicine

Classified by OpenAIRE into

mesheuropmc: urogenital system, embryonic structures
Purpose This study aims to test the hypothesis, in a single-center retrospective analysis, that live birth rates are significantly different when utilizing preimplantation genetic screening (PGS) compared to not utilizing PGS in frozen–thawed embryo transfers in our patients that use eggs from young, anonymous donors. The question therefore arises of whether PGS is an appropriate intervention for donor egg cycles. Methods Live birth rates per cycle and live birth rates per embryo transferred after 398 frozen embryo transfer (FET) cycles were examined from patients who elected to have PGS compared to those who did not. Blastocysts derived from donor eggs underwent trophectoderm biopsy and were tested for aneuploidy using array comparative genomic hybridization (aCGH) or next-generation sequencing (NGS), then vitrified for future use (test) or were vitrified untested (control). Embryos were subsequently warmed and transferred into a recipient or gestational carrier uterus. Data was analyzed separately for single embryo transfer (SET), double embryo transfer (DET), and for own recipient uterus and gestational carrier (GC) uterus recipients. Results Rates of implantation of embryos leading to a live birth were significantly higher in the PGS groups transferring two embryos (DET) compared to the no PGS group (GC, 72 vs. 56 %; own uterus, 60 vs. 36 %). The live birth implantation rate in the own uterus group for SET was higher in the PGS group compared to the control (58 vs. 36 %), and this almost reached significance but the live birth implantation rate for the SET GC group remained the same for both tested and untested embryos. Live births per cycle were nominally higher in the PGS GC DET and own uterus SET and DET groups compared to the non-PGS embryo transfers. These differences almost reached significance. The live birth rate per cycle in the SET GC group was almost identical. Conclusions Significant differences were noted only for DET; however, benefits need to be balanced against risks associated with multiple pregnancies. Results observed for SET need to be confirmed on larger series and with randomized cohorts.
  • The results below are discovered through our pilot algorithms. Let us know how we are doing!

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  • Inferred research data

    The results below are discovered through our pilot algorithms. Let us know how we are doing!

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