Cervical incompetence morphological changes on ultrasound (mnemonic)

Sequential morphological ultrasound changes of the endocervical canal with cervical incompetence can be remembered using the mnemonic:

  • Trust Your Vaginal Ultrasound


  • T-shaped (normal internal cervical os)
  • Y-shaped
  • V-shaped 
  • U-shaped

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Article information

rID: 44902
System: Obstetrics
Section: Mnemonics, Anatomy
Tag: cases
Synonyms or Alternate Spellings:
  • Trust your vaginal ultrasound (mnemonic)

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