Couvelaire uterus is rare in modern obstetrics, a state of the hematic 
infiltration uterine myometrium due to the formation of a massive hematoma 
retroplacental that can not be sold to the vaginal cavity through the cervical 
route. In all cases described in the present there is a history of placental 
abruption during labor or trauma, and drugs that affect the collapse of the 
uterus-placental circulation