Embryo Transfer of the 5 1 5 25 Witnessing, 5 1 1 5 identification affected embryo embryo PGD/PGS (not identification affected / affected) number on freezing device A8b Sample A8b1 Not working or Technical failure Sample damage 2 3 1 6 Calibration and 2 2 1 4 processing uncalibrated equipment maintenance of all critical instruments A8b2 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) A8b3 Time and Lack of training or Sample damage 4 3 1 12 Staff training 4 2 1 8 conditions not operator's respected negligence A8b4 Incorrect Lack of training or Sample 4 2 2 16 Staff training 4 1 2 8 preparation operator's contamination / negligence impaired embryo quality A8b5 Incorrect / absent Human error or Reduced 1 3 2 6 Witnessing 1 3 1 3 registration data negligence traceability / data loss A.9 Thawing of A9a Sample A9a1 Biological sample Incorrect Mismatch of 5 1 5 25 Witnessing 5 1 1 5 gametes identification mismatch identification due to gametes error A9b1 A9b Not Sample working or Technical failure Sample damage 2 3 1 6 Calibration and 2 2 1 4 uncalibrated processing equipment maintenance of all critical instruments
Embryo identification PGD/PGS (not affected / affected) Transfer of the affected embryo 5 1 5 25 Witnessing, embryo identification number on freezing device 5 1 1 5 A8b Sample processing A8b1 Not working or uncalibrated equipment Technical failure Sample damage 2 3 1 6 Calibration and maintenance of all critical instruments 2 2 1 4 A8b2 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 A8b3 Time and conditions not respected Lack of training or operator's negligence Sample damage 4 3 1 12 Staff training 4 2 1 8 A8b4 Incorrect preparation Lack of training or operator's negligence Sample contamination / impaired embryo quality 4 2 2 16 Staff training 4 1 2 8 A8b5 Incorrect / absent registration data Human error or negligence Reduced traceability / data loss 1 3 2 6 Witnessing 1 3 1 3 A.9 Thawing of gametes A9a Sample identification A9a1 Biological sample mismatch Incorrect identification due to error Mismatch of gametes 5 1 5 25 Witnessing 5 1 1 5 A9b Sample processing A9b1 Not working or uncalibrated equipment Technical failure Sample damage 2 3 1 6 Calibration and maintenance of all critical instruments 2 2 1 4