Quadruplets.
Septuphundredlets
They are called quintuplets.
quintuplets, I believe.
If you mean "What are eight babies born on the same day called?": Octuplets (if born by the same mother)
quadruplet
Four babies born at once are quadruplets.
mother or/and father
All born at once by one mother would be sextuplits. www.youravon.com/cochalek insane!! insane!!
quadruplids
The correct term for nine babies at once is Nonuplets.
twins
Tired.