| Pb | lead |
| Cd | Cadmium |
| Zn | Zinc |
| Cu | Copper |
| FSH | Follicle Stimulating Hormone |
| LH | Luteinizing hormone |
| PROL | Prolactin |
| PROG | Progesterone |
| E2 | Estradiol |
| T | Testosterone |
| GnRH | Gonadotropin-Releasing hormone |
| HPG | Hypothalamic-Pituitary-Gonadal |
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