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In addition to an increase level of TSH above 2.5 mU/L during the first trimester, and above 3 mU/L in the second and third trimester, a decrease fT4 concentration (also using reference range for pregnant women) will help clinicians diagnose overt hypothyroidism during pregnancy.
If you go by TSH normal ranges your score is normal, however TSH alone does not give a full picture of thyroid health. Insist on testing for Free T4, Free T3, Reverse T3, thyroid antibodies, ferritin and D3 as the first step.One test is just not enough to get a full picture.i Diane, I assume the blood test value of 0.03 refers to TSH. Normally the reference range for TSH is around 0.5 to 5.0 but thyroid doctors have been debating these numbers for years. 0.03 is lower than ânormalâ however TSH does not give a full picture.