Blastocysts Grading

Just got our results. To recap, a total of 9 blastocyst embryos were biopsied for PGT and frozen, all of which are day 5 or higher. Of your 9 embryos: 1 embryo is graded as “Good,” 6 are graded as “Fair/Good,” and 2 are graded as “Fair

Is this good? Not sure what gradings are good. Any feedback is appreciated.