A six-legged mouse embryo, with extra limbs in place of genitals, has been engineered by scientists ... one of the bioengineered embryos had two extra legs where its genitals should be ... 3D reconstruction of the mouse embryo with Tgfbr1 deactivated.
Every human life starts with a risky and delicate event—a microscopic embryo finding a place to settle inside the uterus. If this process fails, pregnancy never begins, no matter how healthy the embryo looks. .
This process requires precise coordination; otherwise, the embryo could develop serious complications ... These insights, published in Nature Physics, could help improve the accuracy of embryo assessments in IVF.
FISHERS, IN - January 2, 2026 - IVF Cryo, LLC, a leading provider of reproductive tissue transport, is raising awareness about the critical importance of safe, specialized cryogenic shipping for embryos, eggs, and sperm.
you’ve found yourself a lovely dinosaur egg complete with preserved embryo inside. Better yet, it’s seriously old – around 190 million years, in fact – representing one of the oldest dinosaur embryos known to science.
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 and well out of reach ... of the embryo occurs.
Scientists have developed an experimental way to study how human embryos implant in a uterus, which may provide new insights into why miscarriages occur and how they can be prevented. (Image credit. Matteo Mol� at the Babraham Institute.) ....
New research shows that this step depends on an active exchange of signals between the embryo and the uterine lining, rather than a simple physical attachment ... The embryo does not act alone.
Spanish scientists have achieved a world first by successfully creating Iberian lynx embryos in the lab, offering new hope for a species that continues to face significant challenges despite remarkable recovery efforts in recent years.