It is called an incubator.
A neonatologist
No this is called in-breeding and it will cause premature babies and they will not live
They get locked into a special plexiglass crib with oxygen and special holes where care people can insert their hands
A small bed for children is typically called a "crib" for babies or a "toddler bed" for slightly older children who have outgrown the crib.
NIC unit nurses or a neonatologist.
Infant Bed (Most Places) Cot (In European Areas)
937 Premature babies are born each year
*
In a crib like all other babies.
It hasn't been proven that drinking diet soda causes premature babies.
Weight and size of premature babies varies in regards to how many weeks of gestation, reason why they are premature, genetics, etc. There are so many variables so there is no standard size for premature babies.