The amniotic sac, commonly called the bag of waters, sometimes the membranes, is the sac in which the embryo and later fetus develops in amniotes. It is a thin but tough transparent pair of membranes ...

Viewer discretion is advised. A video from a Spanish hospital captures the moment a baby is born within the amniotic sac, an occurrence that only happens 1 in every 80,000 births. It is also known ...

Amniotic fluid is the fluid that surrounds a fetus during pregnancy. When the amniotic sac breaks, known as the rupture of ...

But it's lovely to look at these pics of one baby boy being born after the other – and to see the second twin being born still in his 'waters' (amniotic sac). The picture above was voted Image of the ...

This has to be one of the most amazing birth videos we've seen - maybe ever. The film captures the exact moment a baby was delivered during a c-section with its amniotic sac still totally encased ...

Monoamniotic-monochorionic twins, aka "momo" or "mono-mono" twins, share an amniotic sac and placenta. Here's what to know about pregnancy with mono-mono twins. MoMo or mono-mono twins are ...

From ‘gestation’ to ‘amniotic sac,’ the world of pregnancy comes with its own set of terminology that doctors and experts use. You might hear them at your prenatal appointments but also on ...