Twins are by far the most common multiples born live to women. Multiple births of as many as eight babies have been born alive, the first set on record to the Chukwu family in Texas; one died and seven survived. In January 2009, a second set, the Suleman octuplets, was born in Bellflower, California. To date, all eight have survived.
There have been a few sets of nonuplets (nine) in which a few babies were born alive, though none lived longer than a few days. There have been cases of human pregnancies that started out with ten, eleven, twelve or fifteen fetuses, but no instances of live births. The pregnancies of the 10, 11 and 15 fetuses have all resulted from fertility medications and assisted reproductive technology (ART). However there has been one documented case when 12 fetuses were conceived naturally.
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