A baby boy born last week to an Ohio couple developed from an embryo that had been frozen for more than 30 years in what is believed to be a record length of storage time before a birth.

On a summer morning in London, Ohio, Lindsey and Tim Pierce welcomed their newborn son, Thaddeus Daniel Pierce. Born on July 26, his arrival was a long-awaited joy for the couple. But what makes Thaddeus unique is how long he waited to be born.