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

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

oocyte
A Brush with Inheritance, 1878
A Brush with Inheritance, 1878
Catherine Offord | Jan 31, 2018
Lampbrush chromosomes, first observed in the 19th century, still offer an unparalleled glimpse into how genetic information is organized in the cell.
New Techniques Detail Embryos’ First Hours and Days
New Techniques Detail Embryos’ First Hours and Days
Jef Akst | Nov 30, 2017
New technologies reveal the dynamic changes in mouse and human embryos during the first week after fertilization.
Infographic: How Embryos Take Control of Their Own Development
Infographic: How Embryos Take Control of Their Own Development
Jef Akst | Nov 30, 2017
The switch from maternal factors involves dynamic reprogramming of the zygotic genome.
Three-Parent IVF Advances
Three-Parent IVF Advances
Anna Azvolinsky | Nov 30, 2016
Differences in the replicative advantages conferred by some mitochondrial DNA haplotypes have implications for mitochondrial replacement therapy, researchers report. 
Week in Review: October 17–21
Week in Review: October 17–21
Jef Akst | Oct 20, 2016
Report finds that pathologist involved in anonymous defamation case committed multiple acts of misconduct; growing eggs from stem cells; neutrophils’ role in metastasis; convergent evolution in birds
From Stem Cell to Oocyte In a Dish
From Stem Cell to Oocyte In a Dish
Anna Azvolinsky | Oct 17, 2016
For the first time, scientists generate functional mouse eggs from stem cells in culture.
A Scrambled Mess
A Scrambled Mess
Karen Schindler | Apr 30, 2016
Why do so many human eggs have the wrong number of chromosomes?
Next Generation: Sperm-Catching Beads
Next Generation: Sperm-Catching Beads
Anna Azvolinsky | Apr 27, 2016
Sperm-binding, peptide–coated beads work as an implantable contraception device in mice and as a means of selecting human sperm for assisted reproduction techniques, researchers show. 
Oocytes and Obesity
Oocytes and Obesity
Ashley P. Taylor | Feb 10, 2015
Eggs from excessively overweight mothers suffer mitochondrial damage that can be averted with pharmacological intervention, a mouse study finds.