S.C. Code Ann. § 63-9-520
(A) Before the final hearing for adoption of a child, investigations and reports must be completed in accordance with the following:
(1) Before the placement of any child by any agency or by any person with a prospective adoptive parent, a preplacement investigation, a background investigation, and reports of these investigations must be completed:
(a) preplacement investigations must answer all of the following:
(c) a background information investigation and a report of this investigation may not disclose the identity of the biological parents of the adoptee and shall provide the following:
(2) A postplacement investigation and report of this investigation must be completed after the filing of the adoption petition. Copies of this report must be provided to the adoption petitioner and must be filed with the court at the final hearing on the adoption provided for in Section 63-9-750. A postplacement investigation and report of this investigation must:
(a) answer all of the following: