Four individuals derived from four FETUSES that were fertilized at or about the same time, developed in the uterus simultaneously, and born to the same mother.
Ever Identical Quadrupletswww.youtube.com
USA: Quadruplets of Differentworldnewsdailyreport.com
Quadruplet girls bring fourbachersblog.com
Caters Meet the quadrupletswww.mirror.co.uk
quadruplets from left,blog.al.com