الفهرس 
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Abstract
Placenta accreta occurs when the placental implantation is abnormal. The incidence of placenta accreta appears to be increasing attributed to the increasing prevalence of cesarean delivery in recent years. The most important risk factor for placenta accreta is placenta previa after a prior cesarean delivery.
The first clinical manifestation of placenta accreta is usually profuse, life-threatening hemorrhage that occurs at the time of attempted manual placental separation. Poorly controlled hemorrhage related to placenta accreta, increta and percreta is the indication for one to two thirds of peripartum hysterectomies, disseminated intravascular coagulopathy, adult respiratory distress syndrome, renal failure, unplanned surgery, and death.
Mortality rates as high as 7% are reported to be associated with placenta accreta as well as the additional potential intraoperative/postoperative morbidity associated with massive blood transfusion, hypovolemia, and infection.
Prenatal diagnosis of placenta accreta is critical to obstetric outcome, by enabling early arrangements for elective caesarean section and possible hysterectomy, and decreases placenta accreta associated complications such as the need for the transfusion of blood products. Diagnosis is usually made by means of ultrasonography or MRI in women presenting the risk factors.
The recommended management of suspected placenta accreta is planned preterm cesarean hysterectomy with the placenta left in situ because removal of the placenta is associated with significant hemorrhagic morbidity. However, this approach might not be considered first-line treatment for women who have a strong desire for future fertility. Therefore, surgical management of placenta accreta may be individualized.
Therefore our work was done to evaluate the incidence, risk factors and outcome of cases with placenta accreta.
Our work comprised 140 patients with placenta accreta , the incidence of placenta accreta is 1/54, 35 cases presented with antepartum hemorrage and the most important risk factor is previous cesarean scetion, The maternal and fetal outcome is fairly good.