For specialized care
The nicu (newborn intensive care unit) is a specialized area in the hospital where newborns with medical needs are cared for. Babies born too early, those who are very sick, and those needing surgery can be taken care of in a nicu.
Neonatologists, pediatricians with extra training, are the doctors who work in the nicu. Hopefully you can visit you baby soon, and they don't have to stay too long.