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Abstract
Placenta accreta is a rare but potentially life threatening complication of pregnancy and it is one of the major causes of massive
obstetric hemorrhage.
With the increasing rate of cesarean delivery,the incidence of both placenta previa and placenta accreta is steadily
increasing in frequency.The combination of placenta previa and prior cesarean delivery reportedly increases the risk for myometrial invasion.
Antenatal diagnosis of placenta accreta in patients with placenta previa and previous cesarean section is crucial for appropriate counseling and surgical planning to be carried out.It might afford the surgical team better preparedness for surgical and transfusion therapy.
The aim of this work is to prospectively evaluate the efficacy of
transabdominal ultrasonography and color Doppler in prediction of
placental myometrial invasion in patients with prior cesarean delivery
when the implantation site was in potential proximity to the scar to allow
for adaptive preoperative management and and surgical planning.
Ultrasound imaging is known to be a useful tool for diagnosing placenta accreta and its variants in the second and third trimesters of pregnancy. Gray scale ultrasonography, color Doppler and three dimensional color Doppler imaging have all been described with varying specificity and sensitivity.