Table 2. Normal Range of Thyroid Stimulating Hormone During Pregnancy.
| Units | Non-pregnant Adult | First Trimester | Second Trimester | Third Trimester |
| µIU/mL or | 0.34-4.25 | 0.6-3.4 | 0.37-3.6 | 0.38-4.04 |
| mU/L | 0.34-4.25 | 0.6-3.4 | 0.37-3.6 | 0.38-4.04 |
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