Cervical LengthThis is a featured page

Ultrasound scanning guidelines

Cervical Length



Assess:
  • The normal cervix should have a length of 2.5cm or more from 10 weeks gestation until 36 week
  • The width of the cervical canal at the level of the internal os should be less than 4mm
  • Three measurements of the cervical canal length from the internal os to external os should be performed over three mintues. If there is significant curvature of the cervical canal a trace measurement or multiple measurements matching the curvature should be considered.
  • Evidence of funneling should be documented
Documentation:
  • Three cervical length measurments in the long axis


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AndyC
AndyC 		Latest page update: made by AndyC , Mar 11 2009, 9:22 AM EDT (about this update About This Update AndyC Edited by AndyC

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