| CTX | Cyclophosphamide |
| COC | cumulus-oocyte complex |
| hCG | Human Chorionic Gonadotropin |
| H&E | hematoxylin and eosin |
| IVF | in vitro fertilization |
| PBS | phosphate-buffered saline |
| PGT | preimplantation genetic testing |
| PMSG | Pregnant Mare Serum Gonadotropin |
| SEM | standard error of the mean |
| SPF | specific pathogen-free |