A newborn baby has been dubbed “Bubble Boy” after it arrived into the world still inside its amniotic sac. Video footage shows the late preterm baby boy being delivered by emergency caesarean section ...

Microscopy image of a PGA at day 8 showing the early tissues supporting the embryo, including the amniotic sac and the yolk sac-like structures, surrounded by (extra-embryonic) mesoderm tissue.

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 ...