For small for gestational age with negative capture-up improvement, GH treatment is also indicated after exclusion of other reasons
https://finnkgxl883.readspirex.com/posts/hgh-in-teens-safety-benefits-and-considerations-for-parents-2
For small for gestational age with bad catch-up progress, GH treatment is perhaps indicated after exclusion of different explanations, with close tracking of enlargement pace and metabolic parameters.