Gross Placental Abruption

**Semantic type:** Finding

**Definition:** A separation of the placenta from the uterine wall that is manifested by a retroplacental hematoma with villous compression and change in villous coloration that is reflective of lesion age.

**Synonyms:** - Gross Abruption - Gross Abruption - Macroscopic Abruption - Macroscopic Abruption