| ART | Assisted reproductive technology |
| SLN | Single-lumen aspiration needle |
| DLN | Double-lumen aspiration needle |
| IVF | In vitro fertilization |
| ICSI | Intracytoplasmic sperm injection |
| PN | Pronuclei |
| COC | Cumulus-oocyte complex |
| MII | Mature oocyte |
| SD | Standard deviation |
| OHSS | Ovarian hyperstimulation syndrome |
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