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Freezing Embryos May Improve IVF Outcomes
A new study has indicated that the chance of a clinical pregnancy through IVF is around 30 per cent higher when all embryos are frozen for later transfer than with fresh embryo transfer. There is growing interest in a "freeze-all" embryo policy in IVF. Such an approach, which cryopreserves all embryos generated in a stimulated IVF cycle for later transfer in a non-stimulated natural cycle, would avoid any of the adverse effects which ovarian stimulation might have on endometrial receptivity during the treatment cycle.