1. West London Gynaecological Cancer Centre, Du Cane Road, London W12 0NN, UK
2. Department of Surgery and Cancer, Imperial College London, South Kensington, London SW7 2AZ, UK
3. Department of Cutrale Perioperative and Ageing Group, Imperial College London, London W12 0NN, UK
4. Centre for Reproductive and Genetic Health, Great Portland Street, London W1W 5QS, UK
5. Centre for Reproductive Health, Institute for Regeneration and Repair, University of Edinburgh, Edinburgh EH16 4UU, UK
6. Beginnings Assisted Conception Unit, Epsom and St Helier University Hospitals NHS Trust, Sutton SM5 1AA, UK
7. Clinical Trials Unit, Anglia Ruskin University, Chelmsford CM1 1SQ, UK