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 ...

At 13 weeks pregnant, Vogas felt a "pop." She ran to the bathroom and realized her water had broken. An ultrasound showed ...

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 ...

The bag of waters - or amniotic sac - is a bag or "membrane filled with fluid that surrounds your baby in your uterus during pregnancy." The bag of waters is very important to your baby's health.

Fraternal twins come from two separate fertilized eggs that develop in the womb at the same time, each with their own placenta and amniotic sac. Like any siblings, they may – or may not ...

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 ...