Gynaecology & Obstetrics Gynaecological oncology b4480734 Cut-off value for CA-125 is : A 15 units/ml B 25 units/ml C 35 units/ml D 45 units/ml High-Yield Explanation CA-125 tumour marker is raised above 35 IU/mL Refernce: Shaw's Textbook of Gynaecology 16th edition page no 510