Baby Born from Egg that Was Matured and Frozen in the Lab

A cancer patient who underwent the new fertility preservation procedure successfully gave birth five years after her immature eggs were collected.

| 2 min read

Register for free to listen to this article
Listen with Speechify
0:00
2:00
Share

ABOVE: © ISTOCK.COM, SUPERFROYD

A 34-year-old woman has given birth thanks to a new fertility procedure that involved collecting, maturing, and freezing some of her eggs five years earlier. Although lab-based maturation of eggs has been done before, the case study, published yesterday (February 18) in Annals of Oncology, represents the first successful pregnancy from immature eggs that were frozen after they were matured.

“We didn’t know whether or not the frozen eggs would survive and keep their potential to produce a pregnancy and live birth,” study coauthor Michaël Grynberg, head of reproductive medicine and fertility preservation at Antoine Béclère University Hospital in Paris, where the procedure was carried out, tells The Guardian. “It was a good surprise for us.”

The woman opted for a fertility preservation treatment after being diagnosed with breast cancer at 29 years old, as chemotherapy drugs can contribute to infertility.

The standard fertility intervention for ...

Interested in reading more?

Become a Member of

The Scientist Logo
Receive full access to more than 35 years of archives, as well as TS Digest, digital editions of The Scientist, feature stories, and much more!
Already a member? Login Here

Keywords

Meet the Author

  • Catherine Offord

    Catherine is a science journalist based in Barcelona.
Share
Image of small blue creatures called Nergals. Some have hearts above their heads, which signify friendship. There is one Nergal who is sneezing and losing health, which is denoted by minus one signs floating around it.
June 2025, Issue 1

Nergal Networks: Where Friendship Meets Infection

A citizen science game explores how social choices and networks can influence how an illness moves through a population.

View this Issue
Unraveling Complex Biology with Advanced Multiomics Technology

Unraveling Complex Biology with Five-Dimensional Multiomics

Element Bioscience Logo
Resurrecting Plant Defense Mechanisms to Avoid Crop Pathogens

Resurrecting Plant Defense Mechanisms to Avoid Crop Pathogens

Twist Bio 
The Scientist Placeholder Image

Seeing and Sorting with Confidence

BD
The Scientist Placeholder Image

Streamlining Microbial Quality Control Testing

MicroQuant™ by ATCC logo

Products

parse-biosciences-logo

Pioneering Cancer Plasticity Atlas will help Predict Response to Cancer Therapies

waters-logo

How Alderley Analytical are Delivering eXtreme Robustness in Bioanalysis

Nuclera’s eProtein Discovery

Nuclera and Cytiva collaborate to accelerate characterization of proteins for drug development