Background: Thyroid dysfunction is 10 times more common in women than in men. Hypothyroidism among women of reproductive age group is linked to menstrual irregularities, polycystic ovarian syndrome (PCOS), miscarriage and infertility. Several studies are available in the literature reporting regarding impact of hypothyroidism on one or the other isolated problems of reproductive health problems. Objectives: This study is undertaken to correlate hypothyroidism and reproductive health problems like menstrual irregularities, infertility, PCOS, recurrent pregnancy loss. Materials & Methods: Study Population: All women of age between 18-45 years with reproductive health problems like menstrual irregularities, infertility, PCOS, early pregnancy loss, recurrent pregnancy loss attending Gynaecology OPD  in Vinayaka Mission’s  Kirupananda Variyar  Medical College Hospital  between March 2022-August 2022. Sample Size: 100 patients. Results: Majority (30%) in the study were belonging to the 18-24. Age group with mean age being 30.31 and median age 29 years. The study shows that majority of participants having normal BMI fall between 18-24 years of age group. Hypothyroidism with infertility was associated in 14% cases, but Test Statistic and P- Value which is found to be 1.315 and 0.711 respectively, are not statistically significant. b