“…Others argue that the production and use of human PSC-derived gametes derived in animals is necessary (Palacios-Gonzá lez, 2017). Currently in Japan, the 2010 Guidelines on Research Producing Germ Cells from Human iPS Cells or Human Tissue Stem Cells prohibit the fertilization of human PSC-derived gametes (http://www.lifescience.mext.go.jp/ files/pdf/n1492_01r2.pdf; amended in 2015).…”