Table 2 Embryos outcomes of ovarian stimulation and PGT-A results
PPOS group | GnRH antagonist group | P value | |
|---|---|---|---|
Oocytes at retrieval | 12.70 ± 7.78 | 14.36 ± 8.63 | 0.013* |
MII oocytes number | 10.27 ± 6.59 | 11.60 ± 6.71 | 0.015* |
Two pronuclei number | 7.80 ± 4.91 | 8.90 ± 5.14 | 0.007* |
D3 good quality embryo number | 5.43 ± 3.79 | 6.37 ± 4.19 | 0.004* |
Biopsied blastocyst number | 3.51 ± 2.93 | 3.91 ± 3.19 | 0.116 |
good-quality blastocyst number | 1.90 ± 2.24 | 2.22 ± 2.64 | 0.114 |
Euploid blastocyst rate (/biopsied blastocyst number) | 43.3% (455/1050) | 45.0% (526/1168) | 0.423 |
Aneuploid blastocyst rate (/biopsied blastocyst number) | 36.9% (387/1050) | 36.0% (420/1168) | 0.661 |
mosaic blastocyst rate (/biopsied blastocyst number) | 19.4% (204/1050) | 17.6% (206/1168) | 0.127 |
WGA failure rate | 0.4% (4/1050) | 1.4% (16/1168) | 0.025* |