TABLE 3.
Comparison of embryonic outcomes between SERC (+) and SERC (–) oocytes in the SERC (+) cycle group.
| Items | SERC (+) oocytes | SERC (–) oocytes | P-value |
| No. of MII oocytes | 217 | 822 | |
| Fertilization rate | 73.7 (160/217) | 86.3 (709/822) | 0.000 |
| Good quality embryos rate at day 3 | 12.3 (19/154) | 12.9 (89/692) | 0.860 |
| Blastocyst formation rate | 35.2 (45/128) | 37.1 (186/502) | 0.691 |
| Speed of blastocyst development, D5% | 44.4 (20/45) | 63.4 (118/186) | 0.020 |
| Good quality blastocyst rate | 26.7 (12/45) | 44.1 (82/186) | 0.033 |
| Trophoblast cell evaluation | |||
| Grade A | 0.0 | 4.8 (9/186) | 0.132 |
| Grade B | 26.7 (12/45) | 39.2 (73/186) | 0.116 |
| Grade C | 73.3 (33/45) | 55.9 (104/186) | 0.033 |
SERC, smooth endoplasmic reticulum cluster; D5, day 5.