| GnRH | gonadotropin-releasing hormone |
| hCG | human chorionic gonadotropin |
| HE | hematoxylin and eosin |
| HTF | human tubal fluid |
| IVF | in vitro fertilization |
| MT | Melatonin |
| Q-PCR | Quantitative polymerase chain reaction |
| ROS | reactive oxygen species |
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