TG and cyclic hematopoiesis: Thyroid hormones play a crucial role in liver function and the metabolism of bilirubin.<h4>Objective</h4>This study aimed to evaluate blood bilirubin and thyroid stimulating hormone (TSH) levels in neonates diagnosed with CH compared to those with normal thyroid function (euthyroid).<h4>Material and methods</h4>A comparative cross-sectional observational study was conducted at Majeed Medical & Gynae Complex and Farid Medical Family Hospital in Rawalpindi, Pakistan.