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Secondary outcomes: implantation rate
• Implantation rate is higher in PGS cycles
– Scott
– Yang
– Mastenbroeka – Staessen
– Rubio
– ESTEEMb
80% vs 63% 69% vs 42% 17% vs 15% 17% vs 12% 53% vs 28% 18% vs 11%
a excluding transfers of unknown embryos b aggregate of fresh and frozen embryos
Secondary outcomes: (FR)ET-cycles
• There appear to be fewer (FR)ET cyles in PGS (limited data) – ESTEEM 0.87 vs 1.41
– Rubio2017 0.69 vs 1.24
• Dueto
– Lessfreshtransfersduetoabsenceofnormalembryos
– Less frozen transfers due to lower number of cryopreserved embryos
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