cervical funneling
Ultrasound finding showing widening of the internal cervical os, indicating cervical incompetence or shortening.
Full Definition
A sonographic finding characterized by the funnel-shaped opening of the internal cervical os, typically measured during transvaginal ultrasound examination. This finding suggests cervical incompetence or insufficiency and is associated with increased risk of preterm birth. The measurement includes both the funnel width and length, with specific thresholds used to assess risk. Documentation requires precise measurement techniques and standardized reporting protocols.
Usage
Usage note: Always specify measurement parameters when documenting this finding.
In Context
- "The ultrasound report documented significant cervical funneling at 22 weeks gestation." — Obstetric ultrasound report
- "Serial cervical length measurements showed progressive funneling despite cerclage placement." — High-risk pregnancy monitoring note