What happens when sperm and egg donors lose the right to anonymity?
In the UK and New Zealand, people conceived using donated sperm, eggs or embryos who turn 18 this year will be able to learn the identity of their donors – but it is unclear how many will want to Dozens of people conceived using a donated egg, sperm or embryo in the UK will receive an unusual birthday present when they turn 18 this year, as they gain the right to learn the identity of their previously anonymous donor.