This record measures the oldest age of living female twins
This record is to be attempted by two female twins.
This record is measured in years and days.
For the purpose of this record, twins are defined as two offspring resulting from the same pregnancy, usually born in close succession. They can be the same or different sex. Twins can either be monozygotic (MZ, colloquially "identical") or dizygotic (DZ, colloquially "fraternal" or "non-identical").