In the view of legislator Shen Fu-hsiung, a former practicing physician, for most people the existing definition of parenthood as a blood relationship can be retained, and in the case of surrogacy it is enough to amend it as follows: "From the day of implantation of the embryo, the mandators (the owners of the sperm and ovum) are the parents."
專業醫師出身的立法委員沈富雄認為，一般人的血緣認定仍可維持原意，只要將代孕的血緣認定修改成：「從胚胎著床之日起，委託人（精卵的主人）即是父母」即可。