  To be clear, though, most liberal eugenics proponents do not suggest that all prospective parents would be obliged to seek reproductive counseling and use IVF in order to fulfill their parenting or impersonal duties (but see Savulescu and Kahane 2009). Such a requirement would present serious ethical concerns. Given the prohibitive costs and relatively low success rates of IVF treatment, this kind of obligation would be overly demanding on prospective parents, and particularly on women. Arguably, it would also constitute an infringement on people’s procreative liberty.