Thyroid gland is the most vital endocrine organ which plays a major role in growth, development, metabolism and function of almost every organ of our body. Both hypothyroidism and hyperthyroidism can result in menstrual irregularities. Abnormal Uterine Bleeding (AUB) is one of the most common, yet complicated clinical presentation. It occurs in 10-20% of women between 15-50 years of age. Timely detection of thyroid dysfunction in patients presenting with AUB and their proper management can

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... nt unnecessary surgical interventions. This study was done to analyze the prevalence of thyroid dysfunction in patients with AUB and also to look for different menstrual patterns associated with thyroid dysfunction.Methods: This is a prospective study conducted at Department of Obstetrics and Gynecology, Government Medical College, Manjeri, Kerala, India. Total 200 patients were recruited into present study after satisfying all inclusion and exclusion criteria. Complete history was taken followed by a thorough examination. Baseline investigations and T3, T4, TSH was performed in all patients. Results were analyzed.Results: As per present study, majority of the patients with AUB were from the age group of 35-49 years (43%). In patients with AUB with thyroid dysfunction, prevalence of subclinical hypothyroidism was most common followed by hypothyroidism. According to our study thyroid dysfunction was most commonly seen in the age group of 35-49 years, and the most common presentation being menorrhagia.Conclusions: Timely diagnosis and proper management of thyroid dysfunction in women with AUB can avoid variety of non-specific and ineffective diagnostic and therapeutic procedures.