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 ...

It may contain inaccuracies due to the limitations of machine translation. The growth scale of the amniotic sac model created by the research team at 30, 60, and 90 days. Credit: Cell. Like humans, ...

Pregnancy is a time full of wonder, excitement, and sometimes a bit of worry. The amniotic sac is one of the most fascinating parts of this journey. It is a thin but strong membrane that naturally ...

Raelin Scurry, a mother from Pittsburgh, Pennsylvania, gave birth to her second child in a car on the way to the hospital - with the baby still inside its amniotic sac, a membrane that contains and ...

The first few weeks after sperm meets egg still hold many mysteries. Among them: what causes the process to fail, leading to many cases of infertility. Despite the importance of this critical stage, ...

Whether to perform surgery on a fetus is a heart-wrenching decision. This type of surgery involves penetrating the delicate amniotic sac, increasing health risks to the fetus. Now researchers report ...

Amniotic fluid fills the amniotic sac, which is a bag inside a woman’s uterus (womb) where an unborn baby will develop. The amniotic sac provides protection and a constant temperature for the baby to ...

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.