Scientists have developed a new human-based endometrial model to study embryonic implantation in the early stages of pregnancy.

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Researchers have developed a new stem cell model of the mature human amniotic sac, which replicates development of the tissues supporting the embryo from two to four weeks after fertilization. This is ...

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Scientists have grown a human embryo-like structure in a lab which replicates very early human development - including the production of blood stem cells. The lab-grown embryo model could help ...

The team observed the emergence of the three-dimensional embryo-like structures under a microscope in the lab. These started producing blood (seen here in red) after around two weeks of development - ...

For the first time, scientists at the Francis Crick Institute have successfully developed human stem cell models that include ...

An international team of scientists led from Sweden's Karolinska Institutet has for the first time mapped all the genes that are activated in the first few days of a fertilized human egg. The study, ...

The US biomedical funding agency also hints at future restrictions on research involving human embryonic stem cells.