Per the Child Welfare Information Gateway:

Finding and Using Postadoption Services 0912 CWIG cover onlyIt is common for adoptive families to need support and services after adoption. Postadoption services can help families with a wide range of issues. They are available for everything from learning how to explain adoption to a preschooler, to helping a child who experienced  early childhood abuse, to supporting an adopted teen’s search for identity. Experience with adoptive families has shown that all family members can benefit from some type of postadoption support. Families of children who have experienced trauma, neglect, abuse, out-of-home care, or institutionalization may require more intensive services.
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Finding-and-Using-Postadoption-Services-0912-CWIG