A6b5 Incorrect / absent Human error or Reduced 1 3 2 6 Witnessing 1 3 1 3 registration data negligence traceability / data loss A.7 A7a Sample A7a1 Biological sample Incorrect labelling Mismatch of 5 1 5 25 Witnessing 5 1 1 5 Cryopreservation identification mismatch due to human error cryopreserved of gametes gametes A7b Sample A7b1 Not working or Technical failure Sample damage 2 3 1 6 Calibration, 2 2 1 4 processing uncalibrated equipment maintenance of all critical instruments, liquid nitrogen level monitoring (Spylog system) A7b2 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) A7b3 Time and Lack of training or Sample damage 4 3 1 12 Staff training 4 2 1 8 conditions not operator's respected negligence A7b4 Incorrect media Lack of training or Sample 4 2 2 16 Staff training 4 1 2 8 preparation operator's contamination / negligence impaired gamete quality A7b5 Incorrect / absent Human error or Reduced 1 3 2 6 Witnessing 1 3 1 3 registration data negligence traceability / data loss A.8 Thawing of A8a Sample Incorrect A8a1 Biological Mismatch sample of 5 1 5 25 Witnessing 5 1 1 5 embryos identification identification mismatch due to thawed human error embryos Embryo quality Embryo quality 2 2 2 8 Witnessing 2 2 1 4 choice mismatch
A6b5 Incorrect / absent registration data Human error or negligence Reduced traceability / data loss 1 3 2 6 Witnessing 1 3 1 3 A.7 Cryopreservation of gametes A7a Sample identification A7a1 Biological sample mismatch Incorrect labelling due to human error Mismatch of cryopreserved gametes 5 1 5 25 Witnessing 5 1 1 5 A7b Sample processing A7b1 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 A7b2 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 A7b3 Time and conditions not respected Lack of training or operator's negligence Sample damage 4 3 1 12 Staff training 4 2 1 8 A7b4 Incorrect media preparation Lack of training or operator's negligence Sample contamination / impaired gamete quality 4 2 2 16 Staff training 4 1 2 8 A7b5 Incorrect / absent registration data Human error or negligence Reduced traceability / data loss 1 3 2 6 Witnessing 1 3 1 3 A.8 Thawing of embryos A8a Sample identification A8a1 Biological sample mismatch Incorrect identification due to human error Mismatch of thawed embryos 5 1 5 25 Witnessing 5 1 1 5 Embryo quality choice Embryo quality mismatch 2 2 2 8 Witnessing 2 2 1 4