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Table 4 Distribution of blastocysts with gains (+) or losses (−) on p- and q-chromosome arms, in function of day of trophectoderm biopsy. Percentages are in brackets

From: Segmental aneuploidy in human blastocysts: a qualitative and quantitative overview

Day of biopsy

-p

-q

+p

+q

Total

Day 5

14 (8.8)b

22 (13.8)b

12 (7.5)b

35 (22.0)a

83 (52.2)

Day 6

18 (11.3)b

35 (22.0)a

8 (5.0)b

15 (9.4)b

76 (47.8)

Total

32 (20.1)

57 (35.8)

20 (12.6)

50 (31.4)

159

  1. a,bDifferent superscripts within a column indicate significantly statistical differences (P < 0.05)