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Causes of Hyperthyroidism in Pregnancy [33]
| Thyroid Disease | |
| Graves’ disease | |
| Chronic thyroiditis | |
| Painless thyroiditis | |
| Subacute thyroiditis | |
| Toxic adenoma | |
| Multinodular goiter | |
| Non-autoimmune hyperthyroidism | |
| Gestational transient thyrotoxicosis | |
| Multiple gestations | |
| Trophoblastic disease | |
| Hyperplacentosis | |
| Hyperreactio luteinalis | |
| TSH receptor mutation | |
| TSH-producing pituitary adenoma | |
| Iatrogenic | |
| Excessive levothyroxine (LT4) intake | |
| Overtreatment | |
| Factitious | |
| Drugs | |
| Iodine | |
| Amiodarone | |
| Lithium |
