lithokelyphopedion

noun
lith·​o·​kel·​y·​pho·​pe·​di·​on | \ ˌlith-ō-ˌkel-i-fə-ˈpē-dē-ˌän How to pronounce lithokelyphopedion (audio) \

Medical Definition of lithokelyphopedion

: a fetus and its surrounding membranes which have both been calcified in the body of the mother