A5c4 Incorrect media Lack of training or Sample 4 2 2 16 Staff training 4 1 2 8 preparation operator's contamination / negligence impaired embryo implantation A5c5 Incorrect / absent Human error or Reduced 1 3 2 6 Witnessing 1 3 1 3 registration data negligence traceability / data loss A.6 A6a Sample A6a1 Biological sample Incorrect labelling Mismatch of 5 1 5 25 Witnessing 5 1 1 5 Cryopreservation identification mismatch due to human error cryopreserved of embryos embryos A6b1 A6b Not Sample working or Technical failure Sample damage 2 3 1 6 Calibration, 2 2 1 4 uncalibrated processing equipment maintenance of all critical instruments, liquid nitrogen level monitoring (Spylog system) A6b2 Defective Lack of training or Sample loss 2 3 2 12 Test the 2 3 1 6 equipment (denuding operator's equipment before and manipulation negligence use pipette) A6b3 Time and Lack of training or Sample damage 4 3 1 12 Staff training 4 2 1 8 conditions not operator's respected negligence A6b4 Incorrect media Lack of training or Sample 4 2 2 16 Staff training 4 1 2 8 preparation operator's contamination negligence and/or impaired embryo quality
A5c4 Incorrect media preparation Lack of training or operator's negligence Sample contamination / impaired embryo implantation 4 2 2 16 Staff training 4 1 2 8 A5c5 Incorrect / absent registration data Human error or negligence Reduced traceability / data loss 1 3 2 6 Witnessing 1 3 1 3 A.6 Cryopreservation of embryos A6a Sample identification A6a1 Biological sample mismatch Incorrect labelling due to human error Mismatch of cryopreserved embryos 5 1 5 25 Witnessing 5 1 1 5 A6b Sample processing A6b1 Not working or uncalibrated equipment Technical failure Sample damage 2 3 1 6 Calibration, maintenance of all critical instruments, liquid nitrogen level monitoring (Spylog system) 2 2 1 4 A6b2 Defective equipment (denuding and manipulation pipette) Lack of training or operator's negligence Sample loss 2 3 2 12 Test the equipment before use 2 3 1 6 A6b3 Time and conditions not respected Lack of training or operator's negligence Sample damage 4 3 1 12 Staff training 4 2 1 8 A6b4 Incorrect media preparation Lack of training or operator's negligence Sample contamination and/or impaired embryo quality 4 2 2 16 Staff training 4 1 2 8
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