More common in womenIn the studies, the prevalence of thyroid hormone excess (hyperthyroidism) in the society was found to be approximately 1.3% and thyroid hormone insufficiency, ie hypothyroidism, was 4.6%. Thyroid diseases are more common in women than men. Its frequency increases with age. Symptoms confuse with other diseasesSymptoms of thyroid diseases may be confused with many common signs of disease in the community. Thyroid hormones affect many of our body functions. Therefore, it affects general health and quality of life. Affects sexual life and reproductive functionsThyroid diseases affect reproductive functions and sexual life. The healthy functioning of the thyroid is necessary for the maintenance of reproductive functions in both sexes. The presence of hyperthyroidism or hypothyroidism in both sexes affects the levels of sex hormones by causing changes in sex hormones and proteins that carry these hormones in the blood (SHBG).May cause sexual disorders in menMale reproductive functions are affected by both thyroid hormone excess and insufficiency. Thyroid hormone excess (hyperthyroidism) can lead to decreased breast growth and libido in male patients. Hyperthyroidism may cause impaired sperm motility; hypothyroidism leads to sperm deformities which can be improved by correcting thyroid hormone deficiency. On the other hand, hyperthyroidism causes erectile dysfunction up to 70% in men and affects quality of life. These findings may be accompanied by decreased sexual desire or different sexual problems. Treatment of hyperthyroidism can resolve these problems.Early or late puberty may occurThyroid hormone deficiencies found in the newborn period outside the adult age group can lead to both early and late puberty in boys. Therefore, thyroid hormone deficiencies should be considered in the developmental delay encountered in adolescence and should be treated in a timely manner. Thyroid balance may deteriorate in women who smokeThyroid hormone excess or deficiency can lead to deterioration in menstrual periods in women. Menstrual disorders are 2.5 times more common in hyperthyroidism. It is known that smoking increases these disorders during hyperthyroidism period. Approximately 5.8% of women with hyperthyroidism have infertility; infertility. In hypothyroidism; The binding of sex hormones decreases globulin and increases the free levels of sex hormones in women. This is improved by treatment of thyroid hormones. Approximately 68% of women with hypothyroidism have menstrual irregularities. Hypothyroidism is associated with oligomenorrhea (more than 35 days of menstrual cycle). Hypothyroidism can also cause disorders in the clotting system and control excessive bleeding. Have your thyroid functions checkedThyroid diseases should be identified and treated early without causing any problems. Both hyperthyroidism and hypothyroidism significantly affect these vital functions. Knowing these effects, especially in the age of child acquisition and having active sexual life, controlling thyroid functions is an important step in the diagnosis and treatment of thyroid diseases that can be easily corrected.