Researchers reveal that the guinea pig pre-implantation embryo is very similar to the human embryo, spurring a better understanding of infertility and early human development.

Understanding how cells differentiate during early embryonic development is crucial for advancing regenerative medicine and ...

Research on guinea pig embryos uncovers similarities to human embryogenesis, advancing understanding of preimplantation ...

Today there are still logistical, ethical and legal limitations to using human embryos for research purposes, so scientists use alternative models including stem cell-based and animal models. In a new ...

Between the creation of these embryos and their destruction ... impossible to rule out” that a model could one day develop into a human being, it deserves the same consideration.) ...

After three long essays in the New York Times’s “Embryo Question,” the series ends with a stunning confession of complete indecision about what the human embryo is — aside from the ...

More information: Jesica Romina Canizo et al, The guinea pig serves as an alternative model to study human preimplantation development. Nature Cell Biology (2025). DOI: 10.1038/s41556-025-01642-9 .

A new study reveal for the first time that the guinea pig pre-implantation embryo is very similar to the human embryo, spurring a better understanding of infertility and early human development.