The Prevalence of Sub Clinical Hypothyroidism During Early Pregnancy in Pakistan

Inclusion Criteria: * Subjects must meet all of the following criteria to be enrolled into the study * Patient between 18-45 years of age; is pregnant and in First Trimester * Patient willing to give blood sample for laboratory testing * Patient willing to provide written authorization to obtain data for the study * Exclusion Criteria: * Patients suffering from any * Chronic Cardiac Disease - Chronic Cardiac Failure, Cardiac Arrhythmia * Hepatic Disorder : Cirrhosis * Renal Disease : Patients on dialysis and Transplant Therapy * Respiratory Disorder * Subjects with history of non-thyroid malignancy * Patient currently taking medication for hyperthyroidism * Active systemic infection * Patient with physical or mental impairment * Patients on systemic steroid therapy or lithium therapy * Patients in second or third trimester of pregnancy * Patient not willing to give blood sample for laboratory testing * Patient not willing to provide written authorization to obtain data for the study