MeSH definition : Five individuals derived from five FETUSES that were fertilized at or about the same
time, developed in the UTERUS simultaneously, and born to the same mother.;
MeSH synonym : quintuplet;
MeSH annotation : human only: for animals use LITTER SIZE; PREGNANCY, QUINTUPLET is also available;
Wikipedia link : https://en.wikipedia.org/wiki/Quintuplets;
Five individuals derived from five FETUSES that were fertilized at or about the same
time, developed in the UTERUS simultaneously, and born to the same mother.