Nearly half the embryos studied underwent developmental arrest because of genetic mishaps in early development—a revealing insight that suggests more IVF babies could come to term with changes in the ...

Scientists have created a stem cell-derived model of the human embryo in the lab by reprogramming human stem cells. The breakthrough could help research into genetic disorders and in understanding why ...

Genetic 'signatures' of early stage embryos confirm that our development begins to take shape as early as the second day after conception, when we are a mere four cells in size, according to new ...

An embryo has been created in vitro from mouse stem cells cultured with a 3D scaffold. The resulting structure was remarkably similar to a natural mouse embryo. The embryo represents the very start of ...

What do the earliest stages of a pregnancy look like? Embryonic development has been extensively studied, but most of our knowledge of the earliest stages of a growing baby come from stationary ...

New lab techniques have provided the first good look at a crucial but mysterious stage in the development of human embryos, scientists reported Wednesday. The scientists said follow-up research might ...

Researchers have used stem cells to develop new human embryolike structures that model the earliest stages of fetal development so realistically that they even secrete hormones that can turn a lab ...