A team of scientists from China has successfully created a miniature womb on a chip that mimics the complex environment of ...

Genetic testing on embryos is more sophisticated and accessible than ever—and it’s now being sold as a way to let parents pick their future baby’s best traits.

The curved shape of a zebrafish egg causes unequal cell divisions, creating larger cells near the animal pole and smaller ...

Implantation, one of the most poorly understood phases of early human development, occurs in the depths of the womb, at a time when embryos are microscopic, fragile, and well out of reach. Until ...

The work appears in Cell. "Understanding embryo implantation and embryo development just after implantation has significant clinical relevance as these stages are particularly prone to failure," said ...

Clare Kilcullen always wanted to be a mother, but when she went through early menopause in her 20s, she wasn't sure how that would happen. "[I thought] it would probably be an egg donor, but then in ...

"This is a one-of-a-kind system with an incredibly rare orbital period." When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. A nested series of dusty ...

ST. LOUIS — Samantha was an embryo frozen in time for approximately a decade before a middle-aged single mother said yes to her birth. That mother was Dawn Jones-Goldstein, a 46-year-old Eureka woman ...

Patients with atrioventricular (AV) block who don’t have an indication for cardiac resynchronization therapy (CRT) do better when treated with conduction-system pacing versus right ventricular septal ...

A confocal microscopy image of a nine-day-old human embryo, with specific proteins and cellular structures colored distinctively. Green relates to embryonic stem cells and magenta associates with ...

Researchers have captured the very first real-time, three-dimensional images and videos of a human embryo implanting into synthetic uterine tissue—revealing a key stage in reproduction. The resulting ...

A baby boy born to an Ohio couple developed from an embryo that had been frozen for more than 30 years — believed to be the longest storage time before a birth. Tim and Lindsey Pierce in November 2024 ...