The most frequent thyroid syndromes – hypothyroidism and thyrotoxicosis - are often accompanied with menstrual disturbances. The aim of this study was to summarize knowledge of physiology, pathology and clinical aspects of both thyroidal and gonadal axis interactions.
Department of Pathological Physiology, 1st Faculty of Medicine, Charles University, Prague.
About 25% female infertility and 15% menstrual cycle disorders result from thyroid dysfunction. Particularly, the subclinical hypothyroidism has a high prevalence in the population; therefore, thyroid function must be examined in female with unclear infertility or menstrual disturbances. The next overlap of thyroid disorders and gynaecology represents iodine-131 use for differentiated thyroid carcinoma in fertile age with aspects to ovarian failure and gestational risk.
estrogens, hypothyroidism, menstrual cycle, prolactin, thyroid gland, thyrotoxicosis, thyroxin.