I think orphans have existed about as long as children have, and adoption has always been there too.
Surrogacy in the sense of "my sperm and your eggs in her body" is new, but men having multiple wives with the younger ones for child bearing is not. So I'd say the concept is old, and only the technology is new.
Surrogacy in the sense of "my sperm and your eggs in her body" is new, but men having multiple wives with the younger ones for child bearing is not. So I'd say the concept is old, and only the technology is new.