RESUMO
There are mild changes in Hypothalamous - pituitary -thyroid axis with aging that may be accompanied with thyroid dysfunctions without clinical manifestation. The aim of this study is evaluation thyroid dysfunction in perimenopausal women. This is a cross-sectional descriptive study that was performed on 100 women at the age of 40-60yr, who had referred to Gynecology and Menopausal clinic of Ghaem hospital, Mashhad University in 2005. At first, a questionnaire including clinical symptoms was completed, then patients were submitted to laboratory tests including T3, T4, T3 RU, TSH, TG [triglyceride], HDL-cholesterol and LDL cholesterol. The information was analyzed by chi2 and fisher exact tests. [P