Dossier
Embryos
Coverage of Embryos in the Nexus archive.
- Embryos shape their limbs: a key discovery of "genetic brakes"
Researchers discovered that genetic brakes play a crucial role in how embryos shape their limbs. This finding provides key insights into limb development during embryogenesis.
- They Started I.V.F., Then Split. Now Who Gets Custody of the Embryos?
Erin Millender, 47, may lose her final opportunity to become a mother after her husband ended their relationship and refuses to have children with her. The couple's IVF process has created a legal and emotional battle over custody of the embryos.
- A Startup Says It Grew Human Sperm in a Lab—and Used It to Make Embryos
Paterna Biosciences claims to have developed a method to transform sperm-making stem cells into functional human sperm, which they used to create embryos. The breakthrough could advance reproductive medicine and fertility treatments.