Fresh and frozen cycles

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In most cases, the eggs collected from a patient are mixed with her partners fresh sperm to produce embryos within a few days. These fresh embryos are then transferred back to the patient. Where the patient´s body is not ready to receive the embryos, or where an excess of embryos is available, these embryos may be cryogenically frozen for future use. Once thawed, these embryos are transferred to the patient as a frozen cycle.