deciduate
/ˌdɛsɪˈdeɪt, ˌdɛkɪ-/Definitions
1. verb
to become or cause to become separated from the placenta prematurely
“The fetus deciduated early, causing the mother a lot of complications.”
2. noun
a condition of being separated from the placenta prematurely
“The doctor told the mother that the fetus was in a deciduate state and needed immediate medical attention.”