title: Comparison of thyroid function in each trimester of pregnancy with the use of triiodothyronine uptake, thyroxine iodine, free thyroxine, and free thyroxine index.
mesh_terms: D000704:Analysis of Variance; D005260:Female; D006801:Humans; D007455:Iodine / Q000097:blood*; D007457:Iodine Radioisotopes; D011247:Pregnancy; D013960:Thyroid Function Tests; D013961:Thyroid Gland / Q000502:physiology*; D013974:Thyroxine / Q000097:blood*; D013997:Time Factors; D014284:Triiodothyronine / Q000378:metabolism*
chemical_list: D007457:Iodine Radioisotopes; D014284:Triiodothyronine; D007455:Iodine; D013974:Thyroxine