Table 1

Samples assessed and cytogenetic results obtained

Sample numberPredicted karyotype based on NGS resultSource of cellsConfirmatory result (method)
1–347,XY,+21Single cell from cell line47,XY,+21 (G-banding)
4–645,XSingle cell from cell line45,X (G-banding)
7 and 847,XY,+16Single cell from cell line47,XY,+16 (G-banding)
9 and 1047,XY,+18Single cell from cell line47,XY,+18 (G-banding)
11–1446,XYSingle cell from cell line46,XY (G-banding)
15–1846,XXSingle cell from cell line46,XX (G-banding)
1947,XX,+12Embryo (blastomere)47,XX,+12 (aCGH)
2047,XX,+6Embryo (blastomere)47,XX,+6 (aCGH)
2148,XX,+8,+9Embryo (blastomere)48,XX,+8,+9 (aCGH)
2243,XY,−17,−21,−22Embryo (blastomere)43,XY,−17,−21,−22 (aCGH)
2346,XYEmbryo (trophectoderm)46,XY (aCGH)
2446,XYEmbryo (trophectoderm)46,XY (aCGH)
2546,XYEmbryo (trophectoderm)46,XY (aCGH)
2646,XY,−13,+21Embryo (trophectoderm)46,XY,−13,+21 (aCGH)
2746,XX,+14,−16Embryo (trophectoderm)46,XX,+14,−16 (aCGH)
2846,XX,+19,−22Embryo (trophectoderm)46,XX,+19,−22 (aCGH)
2945,XX,−9Embryo (trophectoderm)45,XX,−9 (aCGH)
3046,XXEmbryo (trophectoderm)46,XX (aCGH)
3148,XX,+11,+19Embryo (trophectoderm)48,XX,+11,+19 (aCGH)
3244,XY,−10,−18Embryo (trophectoderm)44,XY,−10,−18 (aCGH)
3346,XX,-2,+16Embryo (trophectoderm)46,XX,−2,+16 (aCGH)
3446,XY,+1,+9,−10,+11,−12,−22Embryo (trophectoderm)44,XY,+9,−10,−12,−22 (aCGH)
3547,XX,+9,+10,−21Embryo (trophectoderm)47,XX,+9,+10,−21 (aCGH)
3646,XX,+13,−17Embryo (trophectoderm)46,XX,+13,−17 (aCGH)
3745,XXY,−15,−17Embryo (trophectoderm)45,XXY,−13,−15,+16,−17 (aCGH)
3845,XY,−18Embryo (trophectoderm)45,XY,−18 (aCGH)
3944,XY,−12,−16Embryo (trophectoderm)44,XY,−12,−16 (aCGH)
4047,XY,+14Embryo (trophectoderm)47,XY,+14 (aCGH)
4147,XX,+21Embryo (trophectoderm)47,XX,+21 (aCGH)
4247,XX,+22Embryo (trophectoderm)47,XX,+22 (aCGH)
4347,XX,+16Embryo (trophectoderm)47,XX,+16 (aCGH)
4447,XX,+18Embryo (trophectoderm)47,XX,+18 (aCGH)
4547,XY,−7Embryo (trophectoderm)47,XY,−7 (aCGH)
4645,XEmbryo (trophectoderm)45,X (aCGH)
4745,XY,−22Embryo (trophectoderm)45,XY,−22 (aCGH)
48a45,XX,−22Embryo (trophectoderm)45,XX−22 (aCGH)
48b45,XX,−22Embryo (trophectoderm)
48c45,XX,−22Embryo (trophectoderm)
4946,XXEmbryo (trophectoderm)46,XX (aCGH)
5046,XYEmbryo (trophectoderm)46,XY (aCGH)
5146,XYEmbryo (trophectoderm)46,XY (aCGH)
5246,XYEmbryo (trophectoderm)46,XY (aCGH)
5344,XY,−15,−19Embryo (trophectoderm)44,XY,−15,−19 (aCGH)
5447,XY,+22Embryo (trophectoderm)47,XY,+22 (aCGH)
5546,XXClinical embryo biopsy (trophectoderm)Not applicable
5646,XYClinical embryo biopsy (trophectoderm)Not applicable
5745,XY,−12Clinical embryo biopsy (trophectoderm)Not applicable
5845,XX−2Clinical embryo biopsy (trophectoderm)Not applicable
5946,XXClinical embryo biopsy (trophectoderm)Not applicable
6046,XYClinical embryo biopsy (trophectoderm)Not applicable
6146,XYClinical embryo biopsy (trophectoderm)Not applicable
  • Samples 23–54 (excluding 48b and 48c) were tested a second time as part of a large barcoded multiplex (a total of 32 samples) and yielded identical cytogenetic results. Samples 48a, 48b and 48c represent three separate trophectoderm biopsies performed on the same embryo.

  • aCGH, microarray comparative genomic hybridisation; NGS, next-generation sequencing.