Fig. 1From: The relationship between cervical length and area measurements evaluated by MRI and the amount of hemorrhage in PAS casesA Cervical length was measured between lines a and b in sagittal magnetic resonance imaging (MRI) image (2.45 cm). B Cervical area was measured by Image J software in sagittal MRI image (yellow circles a and b) (6.39 cm2)Back to article page