A commissioning couple and the treating physician shall enter into a written agreement that provides for the disposition of the commissioning couple's eggs, sperm, and preembryos in the event of a divorce, the death of a spouse, or any other unforeseen circumstance.
(1) Absent a written agreement, any remaining eggs or sperm shall remain under the control of the party that provides the eggs or sperm.(2) Absent a written agreement, decisionmaking authority regarding the disposition of preembryos shall reside jointly with the commissioning couple.(3) Absent a written agreement, in the case of the death of one member of the commissioning couple, any eggs, sperm, or preembryos shall remain under the control of the surviving member of the commissioning couple.(4) A child conceived from the eggs or sperm of a person or persons who died before the transfer of their eggs, sperm, or preembryos to a woman's body shall not be eligible for a claim against the decedent's estate unless the child has been provided for by the decedent's will.