Table 6 PGT-A Results Stratified by TE Grade and Day of Biopsy (Day 5 vs. Day 6).

From: Independent inner cell mass and trophectoderm morphology as non-invasive predictors of embryo euploidy in IVF

Trophectoderm Grade

Day

Euploid No. and %

Aneuploid No. and %

Other* No. and %

Total

P-value**

Good

Day 5

310

62.1%

138

27.7%

51

10.2%

499

 < 0.001

 

Day 6

54

56.8%

27

28.4%

14

14.7%

95

 < 0.001

Fair

Day 5

143

45.5%

140

44.6%

31

9.9%

314

 < 0.001

 

Day 6

88

34.6%

122

48%

44

17.3%

254

 < 0.001

Poor

Day 5

18

46.2%

20

51.3%

1

2.6%

39

 < 0.001

 

Day 6

19

20.9%

61

67%

11

12.1%

91

 < 0.001

  1. *These include mosaic, inconclusive, and low DNA PGT-A results.
  2. **P-value results for the association between TE grade and ploidy status (euploid vs. aneuploid).
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