In a recent study published in the journal Science Immunology, researchers profile the origins and subsequent differentiation of embryonic and fetal immune cells during human lung development. Study: ...

Maternal stress could leave epigenetic imprints on genes in the placenta associated with cortisol -- a necessary hormone for fetal development -- and this would affect the baby's development from very ...

A research team showed that, contrary to current models, one early embryonic cell dominates lineages that will become the fetus. “They are not identical,” said Magdalena Zernicka-Goetz, a ...

A new study shows that the embryo and the uterine lining conduct an active "conversation" from the very earliest stages of implantation. They engage in a back and forth of tiny packages called ...

Many in the medical community believe there’s clear evidence that a fetus – a developing baby in the womb – can’t feel physical pain until after the 24th week (6th month) of pregnancy. But other ...