Lithopedion!!!

Let us continue the flavor of last post, and throw out something distressing and cool. I was searching for neat sideshow stuff to possibly make, when I came across this, and I think it is too weird to keep to myself.
Lithopedion (stone child) is a strange and rare condition that happens when a fetus dies during an abdominal pregnancy, and is not passed out. If it's big enough the body can't absorb it back into the system, so it calcifies the baby to keep it from infecting the mother. Women have carried these stone babies for decades in some instances, like this one LINK (warning, the link contains photos of a 46 year old stone fetus). Creepy stuff.
I had no idea that babies could do this, but it's awesome. See the stuff you can find out if you look around for it!
In a slightly related note, I may be making my own version of the fiji mermaid soon.