In addition to this, there are some studies which suggested a possible link between ovarian cancer and thyroid diseases.6,7,10-12 This study is perhaps the first from Lahore, Pakistan to elucidate the role of thyroid hormone abnormalities (autoimmune or non-autoimmune disorders) and to correlate them with breast and ovarian cancers with respect to T3 and T4 (having genetic and/or environmental influences). This evidence concerns the gene TG and ovarian cancer.