This chapter explores current and prospective reproductive technologies and some of their likely implications for reproductive and family ethics and policymaking. The technologies discussed include uterus transplants, mitochondrial transfer, ectogenesis, the development of in vitro gametes, and solo reproduction. The chapter considers the impact of these developments on the content of concepts such as 'infertility', 'mother', or 'father'. Another layer to this process of redefinition originates in ongoing socio-cultural changes that shift the focus in parenting from the way in which children have come into the world, to relationships within the family. Considering these scenarios beforehand can help to clarify some of the current challenges...