(The chorion is the membrane that develops into the placenta, and the amnion is the amniotic sac.) Di-di twins make up 70% of all twin pregnancies. "Di-di twins carry the lowest risk of all ...

This is the first model of amniotic sac development after two weeks. The amnion is a protective membrane that balloons into a sac containing amniotic fluid, which leaves the body when the mother's ...

After IVF shock, mom gives birth to two sets of identical twins Such amniotic sac helmet births are rare enough, but to have the entire baby inside the sac, or ‘en caul,’ occurs in less than ...

The epithelial tissue of the sac in the red flour beetle consists of two layers of tissue, the inner amnion and the outer serosa. However, in the past it was difficult to study what happens to the ...

Amazing footage has revealed how newborn twins were ... due to the amniotic sac - a jelly-like bag of fluid that wraps round a foetus, and is made of two membranes - the amnion and chorion.

Preterm premature rupture of membranes remains a major complication after fetoscopic laser surgery (FLS) for twin-twin transfusion ... index in the amnion of the recipient sac which were absent ...

As described in research published today in Cell, the new model can be used to study the origin and function of the human amnion and help identify previously unknown ways the amniotic sac might ...