Total reviews 420
Total reviews 420
Tests Included: 1
Est. (business days) Turnaround
Specimen type: Blood
Quest Diagnostics Location
TSH levels are lower during pregnancy, especially during the 1st trimester. Based on recent clinical studies which have shown that even mildly elevated TSH during pregnancy is associated with adverse pregnancy outcomes, the American Thyroid Association has released clinical guidelines which recommend the use of assay-specific and trimester-specific reference intervals.
Tests Included: 1
Est. (business days) Turnaround
Specimen type: Blood
Quest Diagnostics Location
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Please do not exercise prior to testing. It is best that your blood is taken in a rested state.
Note: Turn around times on results are an estimate and are not guaranteed. The lab may need additional time due to holidays, confirmation/repeat testing, etc. You can contact us to discuss when your results should be ready and we will contact the lab on your behalf immediately.
| First Trimester | 0.26-2.66 mIU/L |
| Second Trimester | 0.55-2.73 mIU/L |
| Third Trimester | 0.43-2.91 mIU/L |
Results are flagged based on the first trimester assay-specific reference interval. For later stages of pregnancy, interpret results based on the trimester-specific reference intervals provided.
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