Table 2.
Clinical characteristics of affected individuals
| Patients | Age (years) | Infertility duration (years) | IVF/ICSI cycles | Total oocytes | GV oocytes | MI oocytes | MII oocytes | Fertilized oocytes | Normal fertilized oocytes | Cleavage embryos |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 29 | 7 | IVF | 14 | 0 | 0 | 14 | 0 | 0 | 0 |
| 29 | 7 | ICSIa | 14 | 0 | 1 | 11 | 0 | 0 | 0 | |
| 2 | 30 | 3 | IVFb | 19 | 0 | 0 | 19 | 1 | 0 | 0 |
| 30 | 3 | ICSI | 17 | 0 | 0 | 16 | 3 | 3 | 3 | |
| 3 | 29 | 6 | IVF | 19 | 2 | 3 | 12 | 2 | 2 | 0 |
| 29 | 6 | ICSI | 18 | 0 | 2 | 16 | 0 | 0 | 0 | |
| 30 | 7 | ICSIa | 14 | 1 | 4 | 9 | 0 | 0 | 0 |
Abbreviations: IVF, in vitro fertilization; ICSI, intracytoplasmic sperm injection; GV, germinal vesicle; MII, metaphase II
aHalf of MII were treated by assisted oocyte activation (AOA)
bThe unfertilized MII were treated with remedial ICSI