KKH deliver subsides

For those who have giving birth at KKH and is under sub, what’s are the different between private & sub ? As for private, I know it’s the doc who help to deliver and sew the below. And its fixed doc who came to check for every few hrs. As for sub, who’s going to deliver the baby ? Mid wife or doc? And for doc, isit going to be different kind of doc coming to check for every hrs ?