D2-/3胚胎染色體異常比率約43%

囊胚染色體異常比率約25%

大部分染色體異常(6-7成)是單一染色體異常(45  or 47染色體)

The incidence of genomic aberrations was significantly higher in cleavage embryos (n = 976/2257, 43.2%) compared with blastocysts (n = 90/361, 24.9%)

https://link.springer.com/article/10.1038/s41525-021-00246-0#Fig1