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Development rate according to lipid of cytoplasm at zygote.
| Groups | No. of embryos cultured | % of embryos cleaved (n) | % of blastocysts (n) |
|---|---|---|---|
| Grade 1 | 290 | 78.4 ± 14.1 (227) | 26.5 ± 5.9 (78)a |
| Grade 2 | 268 | 67.5 ± 15.3 (192) | 16.2 ± 7.9 (44)b |
Data are expressed as means ± SD of three independent experiments. Different superscript letters a and b denote significant differences (p < 0.05).
