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(A) Sagittal: Visualization of the cervical canal was difficult because the large size of the extrauterine pregnancy was displacing the cervix/uterus posteriorly and to the right. (B) Sagittal: A rough estimate for the potential distance from the lower edge of the placenta to the internal os was attempted. (C). Sagittal: Colour Doppler showing retroplacental flow extending to an area of myometrium near the suspected cervix.
