With the development of new vitrification techniques, egg freezing has become a viable option for women to protect and extend their fertility. Being able to control when to have children can help achieve life-goals. But there are downsides. This lecture explains the science of fertility and egg freezing, the impact of child-bearing and rearing on women’s educational and employment prospects, and outlines the law on freezing eggs. It will cover the complex issues around the law's regulation of this practice.