In the Interest of C. K.

LARSON, Justice.

Kimberly and Robert, the natural parents of C. K., appeal from an order terminating their parental rights under chapter 600A, The Code 1979, following a petition for termination filed by the child’s guardian. The prospective adoptive parents, who had intervened on the side of the petitioner for termination, are the appellees. The natural parents contend (1) their release of custody, § 600A.4, was invalid; (2) they had effectively revoked it within the 96 hours provided by section 600A.4(4); (3) that even if not revoked within that period “good cause” had been shown for…