Fig. 1From: Unexpected uterine body placenta accreta spectrum with placenta previa in a subsequent pregnancy after uterine artery embolization: a case reportTransvaginal ultrasonography at 33 weeks’ gestation. A few small lacunae (hollow arrowhead) can be seen, but the retroplacental clear zone is preserved (solid arrowhead). The internal cervical os is indicated by an arrow. P: placentaBack to article page