Saving the fertility of children with cancer

This feature for the Guardian Weekend magazine feels like a fitting article to end the year on. Fertility preservation is about the future, about uncertainty, about hope - and about the belief that given enough time and resources, scientists can find solutions to problems that may seem unsurmountable right now. Here's to a happy and healthy 2019.

Young cancer patients face uncertainty, aggressive treatment – and a risk to their future fertility. Can a cutting-edge procedure offer a solution?