<unk>  is when the<unk> separates early from the uterus, in other words separates before childbirth. It occurs most commonly around 25 weeks of pregnancy. Symptoms may include vaginal bleeding, lower abdominal pain, and dangerously low blood pressure. Complications for the mother can include disseminated intravascular coagulopathy and kidney failure. Complications for the baby can include fetal distress, low birthweight, preterm delivery, and stillbirth. The cause of<unk>  is not entirely clear. Risk factors include smoking, pre-eclampsia, prior<unk>  (most important and predictive risk factor), trauma during pregnancy, cocaine use, and previous cesarean section. Diagnosis is based on symptoms and supported by ultrasound. It is classified as a complication of pregnancy. For small<unk> , bed rest may be recommended, while for more significant<unk> s or those that occur near term, delivery may be recommended. If everything is stable, vaginal delivery may be tried, otherwise cesarean section is recommended. In those less than 36 weeks pregnant, corticosteroids may be given to speed development of the baby's lungs. Treatment may require blood transfusion or emergency hysterectomy.<unk>  occurs in about 1 in 200 pregnancies. Along with<unk> previa and uterine rupture it is one of the most common causes of vaginal bleeding in the later part of pregnancy.<unk>  is the reason for about 15% of infant deaths around the time of birth. The condition was described at least as early as 1664.
Placental abruption
Chorioamnionitis
Uterine rupture
Placenta praevia
Bloody show
Toxic abortion
Umbilical cord prolapse
Septic abortion