(a) A subscriber’s contract, delivered or issued for delivery in this state which provides coverage for injury or sickness for newborn dependent children of subscribers or other members of the covered group, shall provide coverage for such newborn children, including adopted newborn children that are placed with the adoptive subscriber or other member of the covered group within sixty (60) days of the adopted child’s date of birth, from and after the moment of birth. Coverage under the contract for an adopted newborn child placed with the adoptive subscriber or other member of the covered group more than sixty (60) days after the birth of the adopted child shall be from and after the date the child is so placed. Coverage provided in accord with this section shall include, but not be limited to, coverage for congenital anomalies. For the purposes of this section, "child" means an individual who has not attained age eighteen (18) years as of the date of the adoption or placement for adoption. For the purposes of this section, "placed" shall mean physical placement in the care of the adoptive subscriber or other member of the covered group, or in those circumstances in which such physical placement is prevented due to the medical needs of the child requiring placement in a medical facility, it shall mean when the adoptive subscriber or other member of the covered group signs an agreement for adoption of such child and signs an agreement assuming financial responsibility for such child. Prior to legal finalization of adoption, the coverage required under the provisions of this subsection as to a child placed for adoption with a subscriber or other member of the covered group continues in the same manner as it would with respect to a naturally born child of the subscriber or other member of the covered group until the first to occur of the following events: