Using techniques aimed at “improving” the human being, so-called genetic enhancement raises objective ethical problems. This has now been extended to the prenatal period, with the use of genetic techniques in unborn children. The author of the article in question, Ryan Tonkens, calls this type of enhancement “prenatal genetic moral enhancement” (Journal Medical Ethics 41; 245-251, 2015). In the article, Tonkens performs a comprehensive review of the ethics of these practices, concluding that “prenatal genetic moral enhancement” is “morally problematic and ought not to be pursued”.