<qa>  What is the current 5-year survival rate of TYA?In the UK, around 2,200 teenagers and young adults TYA are diagnosed with cancer every year, and due to advances in treatments, survival rates have improved, with a current 5-year survival rate of more than 80. This means there is a growing population of long-term survivors of childhoodadolescent cancer who may experience late effects of cancer andor treatment. One such late effect is fertility impairment, which is a key issue for TYA with cancer. There are few clinical options currently available for the preservation of womens fertility in the UK; however, ovarian tissue cryopreservation OTC has been offered clinically at one primary treatment centre in the UK for the past 2-3 years. In an attempt to understand what it is like to be faced with potential infertility alongside a cancer diagnosis, previous studies have been conducted looking at young peoples experiences of receiving, processing and living with this information, as well as their experiences of other FP techniques. However, no studies have looked at the experiences of cancer patients undergoing OTC. OTC differs to other FP options previously studied in several key ways, notably in that cancer treatment need not be delayed for it to go ahead, and it can be carried out with pre-pubertal females. This may mean that aspects of the process surrounding OTC are experienced differently to other FP options, and that OTC needs to be understood as a separate phenomenon. Although OTC is currently offered to women from birth to the age of 40 in the UK, the different experience of cancer and infertility across the lifespan necessitates a more specific focus for this study. TYA have been chosen as an understudied population, with more research needed to increase understanding of their unique psychosocial needs and their experience of health systems. Further, focusing on TYAC may capture individuals who have not started puberty and would therefore benefit from the introduction of this new technique by being unable to undergo other FP options. 