Do children have the right to know if they're the result of IVF?

Do children have the right to know if they're the result of IVF?
http://www.independent.co.uk/life-style/health-and-families/features/ivf-do-children-have-the-right-to-know-if-theyre-the-result-of-a-strangers-sperm-or-egg-donation-10448696.html?utm_content=buffera4525&utm_medium=social&utm_source=plus.google.com&utm_campaign=buffer