Background: AUB is a common but complicated clinical presentation and occurs in 15-20% of women between menarche to menopause and significantly affects the women’s health. The prevalence of abnormal uterine bleeding is estimated to be in the range of 3% to 30%, with a higher incidence occurring around menarche and perimenopause. Women with thyroid dysfunction often have menstrual irregularities, infertility and increased morbidity during pregnancy. The objective of present study is to find out the prevalence of thyroid disorders among perimenopausal women with AUB attending gynecology OPD