The authors report a term infant with congenital hypothyroidism following maternal radioiodine (I-131) treatment for papillary thyroid cancer in unsuspected pregnancy. The woman received 150 millicuries (mCi) of I-131 during the second trimester of pregnancy. Antenatal care was done in the other hospital without the awareness of previous I-131 treatment during pregnancy. https://proozya.shop/product-category/long-sleeves/