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. Author manuscript; available in PMC: 2014 Nov 1.
Published in final edited form as: Ultrasound Obstet Gynecol. 2014 Mar 12;43(4):452–458. doi: 10.1002/uog.12555

Figure 2.

Figure 2

B-mode images of half of a bivalved cervix sample. The endocervical canal is located at the top, the distal end is on the left and proximal end/uterus is on the right. The bright line on the bottom is the SoAb rubber interface. The solid lines mark the distal end (external os) and the dashed lines the proximal end (internal os). These locations were verified by HF (the Maternal Fetal Medicine subspecialist co-author). Measurements were made between these endpoints. The image on the right shows a sample containing cysts (dashed circle), and the black region is a uterine fibroid. These areas were avoided during measurements.