15 children born all at once would be called quindectuplets. This many births at once has never occurred in humans (our record is octuplets), but in some other species it is possible.
Seven born at the same time are called SEPTUPLETS
They are called quintuplets.
a triplet
Clones
octuplets
quadruplets
octuplets
quads!!
Eight children born from the same mother, at the same time, are called octuplets (from the Greek prefix octo- meaning 'eight').
They are called quintuplets.
When seven children are born at the same time it is called septuplets. In most cases, women who have seven children have had some type of fertility treatment.
Sextuplets are six children