“…These policy transitions have been accompanied by an increased cultural openness about donor conception, marked by a tidal change in public attitudes towards parental disclosure. Previous professional advice was for parents not to tell anyone, least of all their children, about their use of sperm donation; however, now the general consensus is that parental openness about donor conception, ideally in early childhood, is in the best interests of the child (Daniels, Taylor, 1993, Freeman, 2015, Nuffield Council on Bioethics, 2013). …”