Ashley Ness' babies entered the world as quadruplets, but one of her babies never made it home from the hospital. Three years ...

A husband and wife in Utah just found out they're about to be parents of quadruplets. Even more rare, the babies are two sets of identical twins. Couple documents fertility journey resulting in rare ...

Fetus had rare condition affecting blood flow in the womb, expectant dad said. — -- An expectant mom getting ready to welcome two sets of identical twins -- a one in 70 million occurrence -- ...

Each year, twins from around the world converge on Twinsburg, Ohio in a boon for scientific researchers studying everything from taste buds to facial recognition technology.

Katelyn Yates found out she was pregnant with surprise quadruplets when she went to the hospital expecting to have her ...

You may remember the Gardner family from Utah and their viral video revealing their "quad squad." After eight years of infertility, they had four baby girls - two sets of identical twins - who all ...