Table 1.
Oocyte and embryo characteristics of IVF and ICSI attempts of three probands
| Individual | Age (years) | Duration of infertility (years) | IVF/ICSI attempts | Stages of oocytes | No. of fertilized oocytes | No. of usable D3 embryos | Outcomes | |||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| GV | MI | PB1 | Degenerated | 2PN | 1PN | Multiple PN | ||||||
| F1:II-2 | 34 | 1 | 1st IVF | 30 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | / |
| 2nd IVF | 15 | 2 | 7 | 0 | 4 | 0 | 0 | 0 | All embryos were arrested at the 2–3-cell stage on day 3 | |||
| F2:II-1 | 41 | 10 | 1st IVF | 11 | 0 | 2 | 1 | 1 | 0 | 1 | 0 | The embryo was arrested at the 2-cell stage on day 3 |
IVF in vitro fertilization; ICSI intracytoplasmic sperm injection; GV germinal vesicle; MI metaphase I; PB1 the first polar body; PN pronucleus/pronuclei