Do you want to Know more about Surrogacy ? Gestational surrogacy, full surrogacy or IVF surrogacy is defined as treatment by which the gametes of the genetic couple, commissioning couple or intended parents in a surrogacy arrangement are used to produce embryos that are subsequently transferred to a woman who agrees to act as a host for these embryos. The surrogate host is therefore genetically unrelated to any offspring that may be born as a result of this arrangemen