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. 2020 Nov 9;10:19325. doi: 10.1038/s41598-020-75164-9

Table 2.

Grading of embryos transferred.

Day 3 quality Number of embryos transferred (n = 954)
Grade 1 129 (13.52%)
Grade 2 572 (59.96%)
Grade 3 177 (18.55%)
Grade 4 76 (7.97%)
Grade 5 0 (0%)