In a remarkable feat of reproductive medicine, a baby boy named Thaddeus Daniel Pierce entered the world in July 2025, earning the title of the “world’s oldest baby.”
Born to Lindsey and Tim Pierce in London, Ohio, Thaddeus developed from an embryo created and frozen in 1994—more than 30 years earlier.
This extraordinary birth has captured global attention as a testament to the enduring power of cryopreservation technology.
The embryo, one of several produced through in vitro fertilization (IVF) by donor Linda Archerd and her then-husband, was stored in a liquid nitrogen tank for 11,148 days. Only one of the original four embryos had been used previously, resulting in Archerd’s now-adult daughter.
The remaining three were donated decades later through a Christian embryo adoption agency, giving the Pierces their chance at parenthood.
Lindsey and Tim Pierce had struggled with infertility for seven years before turning to embryo adoption.
“It’s like something from a sci-fi movie,” Lindsey shared with reporters, expressing awe at the process.
Their persistence paid off when doctors successfully implanted the nearly 31-year-old embryo, leading to a healthy pregnancy and delivery on July 26, 2025.
Medical experts, including Dr. John David Gordon who oversaw the transfer, confirm this sets a new record for the longest time an embryo has been frozen before resulting in a live birth.
Previous records hovered around 27 to 30 years, but Thaddeus shattered that benchmark, highlighting advances in freezing techniques that preserve viability indefinitely.
Cryopreservation involves cooling embryos to -196°C, halting all biological activity without damage.
First successfully used in the 1980s, the technology has improved dramatically, allowing thousands of “snowflake babies” to be born from donated embryos.
Yet few have waited as long as Thaddeus.
The Pierces, who live in central Ohio, view their son’s arrival as a divine gift aligned with their faith.
“We didn’t give up. We knew there was a plan,” Lindsey said, emphasizing how embryo adoption fit their values after years of unsuccessful treatments.
Linda Archerd, now 62 and a grandmother, expressed joy upon learning of the birth.
The embryos’ long storage meant her biological contribution outlasted her own childbearing years, creating an emotional bridge across generations.
This case raises fascinating questions about the ethics and future of embryo storage.
With millions of frozen embryos worldwide, records like Thaddeus’s may become more common as technology evolves.
Scientists note that viability appears unaffected by extended freezing periods.
Public reaction has been overwhelmingly positive, with many celebrating the blend of science and hope.
Media outlets worldwide have featured the story, dubbing Thaddeus the ultimate “miracle baby” and sparking renewed interest in IVF and adoption options.
As Thaddeus grows, his family anticipates sharing his unique origin story.
For now, the healthy infant thrives, a living symbol of medical innovation that defies time itself.
The Pierce family’s journey underscores the profound impact of reproductive advancements.
What was once science fiction is now reality, offering new paths to parenthood for countless families.