United Kingdom Collaborative Trial of Ovarian Cancer Screening (UKCTOCS) Design and Characteristics of the Study Population Presented by Usha Menon, MD, MRCOG, MBBS, Head, Senior Lecturer / Consultant, Head, Gynaecological Cancer Research Centre, Department of Gynaecological Oncology, Institute of Women's Health, University College London, UK (Javascript is required to view Mediasite content)