Fig. 5

Pregnancy with placenta preavia and accreta, gestational age 27 weeks. a Color Doppler ultrasound shows placenta previa centralis, with lamellated flow in the utero-vesical pouch. b SWV = 2.27 m/s, depth 4.8 cm. In the current, the pregnancies with placenta accreta showed significant increased SWV (elasticity) than normal placenta