| AITD | Autoimmune Thyroid Disease |
| TPOAb | Thyroid Peroxidase Antibody |
| TgAb | Thyroglobulin Antibody |
| LT4 | Levothyroxine |
| RCT | Randomized Controlled Trial |
| OR | Odds Ratio |
| IVF | In Vitro Fertilization |
| NICU | Neonatal Intensive Care Unit |
| CI | Confidence Interval |
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