Answer:

preemie

Answer	Crossword Clue
PREEMIE	Early arrival
PREEMIE	Early arrival, of a sort
PREEMIE	Early-born baby

PREEMIE	Early arrival in the delivery room
PREEMIE	Arrival who's ahead of schedule
PREEMIE	Incubator occupant
PREEMIE	Incubator inhabitant
PREEMIE	Early delivery?
PREEMIE	Certain infant: Colloq.
PREEMIE	Nursery resident
PREEMIE	One in an incubator

PREEMIE	Early delivery in the delivery room
PREEMIE	One with a reduced term?
PREEMIE	Special delivery
PREEMIE	Early delivery
PREEMIE	Early delivery, informally