An 82 year old Colombian woman went to the doctor complaining that her stomach hurt. Doctors found a 40-year old fetus, calcified, inside her abdomen.
So many odd "I Didn't Know I Was Pregnant" thoughts happening right now.
The 40-year-old fetus was the result of an ectopic pregnancy, which occurs when the fertilized egg implants outside the uterus. These pregnancies aren't viable and most of the time are caught by doctors and removed.
But in about 300 cases since 1582, a lithopedion, i.e. a "stone baby," has formed.