Confidentiality: data will be held in a link-anonymised format, with personal identifiable data only accessible to personnel with training in data protection. Participants' research and sample data will be identified by unique study ID numbers and all data will be held on password-protected computers Data Storage and Archiving: All consent and paper data collection forms will be scanned onto discs and stored in a locked filing cabinet within the CI's controlled access office in the Centre for Women's Health for the duration of the project. Paper copies will be shredded. At the end of the project, all study data will be archived as per standard Research and Development (R&D) department protocol.