Introduction: Thyroid disease is more common in women than in men, because most thyroid diseases are autoimmune in nature and increased susceptibility to autoimmune diseases, perhaps secondary to the female endocrine environment is likely contributing factor. Thyroid physiology plays a major role in pregnancy and thyroid disorders constitute one of the most common endocrine disorders in pregnancy. Pregnancy is associated with significant and reversible changes in thyroid function and failure to adapt to these changes result in thyroid dysfunction. Material and Methods: This is a Prospective study done among 1000 pregnant women. Antenatal women attending the outpatient department of tertiary care centre from August 2021 October 2022. Detailed history was taken, regarding the symptoms of thyroid disorders, menstrual history, obstetric history, past medical history, family history and personal history