Table 2 Cycle characteristics and embryological outcomes between c-IVF and ICSI group.
c-IVF | ICSI | P value | |
|---|---|---|---|
Cases | 578 | 578 | |
Stimulation protocols, %(n) | 0.864 | ||
PPOS | 62.98%(364/578) | 63.67%(368/578) | |
GnRH-A | 19.20%(111/578) | 17.99%(104/578) | |
GnRH-a | 17.82%(103/578) | 18.34%(106/578) | |
Average No. of oocyte retrieved, mean ± SD | 9.35 ± 5.96 | 9.09 ± 6.02 | 0.45 |
Total No. of oocytes retrieved | 5407 | 5253 | |
No. of oocytes inseminated | 5407 | 4049 | |
2PN rate per inseminated oocyte, %(n) | 65.88% (3562/5407) | 78.46% (3177/4049) | < 0.001 |
2PN rate per oocytes retrieved, %(n) | 65.88%(3562/5407) | 60.48%(3177/5253) | < 0.001 |
D3 transferrable embryo rate, %(n) | 76.67%(2731/3562) | 74.38%(2363/3177) | 0.029 |
Blastocyst formation rate per 2PN zygote, %(n) | 51.54%(1836/3562) | 48.32%(1535/3177) | 0.008 |
Blastocyst available for biopsy per 2PN zygote, %(n) | 35.60%(1268/3562) | 29.46%(936/3177) | < 0.001 |
Blastocyst available for biopsy per oocyte retrieved, %(n) | 23.45%(1268/5407) | 17.82%(936/5253) | < 0.001 |