Journal of Thyroid Research / 2011 / Article / Fig 2

Research Article

First- and Second-Trimester Reference Intervals for Thyroid Hormones during Pregnancy in “Rhea” Mother-Child Cohort, Crete, Greece

Figure 2

Box plot of TSH, free T3, and free T4 concentrations in the reference population during the 1st and 2nd trimester of gestation. TSH: thyroid-stimulating hormone; Free T3: free triiodothyronine; free T4: free thyroxine Differences between first and second trimester are shown with values ( for TSH, for free T3, for free T4).
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