This ultrasound is from a young pregnant woman presenting with lower abdominal pain without vaginal bleeding. History of two previous unexplained spontaneous abortions and a known large fibroid. The physical exam was unremarkable but bedside transabdominal ultrasound was performed as shown below.

Ultrasound demonstrating Incompetent Cervix from Charles Bruen on Vimeo.

the interpretation

The transabdominal demonstrated an open incompetent cervix. Subsequent transvaginal ultrasound confirmed incompetent cervix. In can be seen in the recording coming in and out of view in the midline midfield. A transvaginal portion reveals the large uterus with fetal elements on the left portion of the sector (anterior in sagital plane) with the incompetent cervix revealed directly mid sector.