[Thyroid gland and pregnancy--physiology and pathology].

Changes in thyroid function and structure during pregnancy, including abnormalities in thyroid ultrasonography. Levels of thyroid stimulating hormone (TSH), free thyroxine (FT4), total thyroxine (TT4), total triiodothyronine (TT3), reverse triiodothyronine (rT3), thyroxin binding globulin (TBG) and thyroglobulin (Tg) as well as the changes in metabolism have been presented. Difficulties in the diagnostics of hyperthyroidism and hypothyroidism in pregnant women have been described. In addition modern ideas about the treatment of thyroid dysfunction in this period of woman life have been presented. Furthermore thyroid physiology and pathology in fetus and newborn have been described.