3. Transvaginal Pelvic Ultrasound Protocol

Step 3: Obtain View of Ovaries

In general, you can use either a sagittal or transverse view to identify the ovaries, which are usually located lateral and/or posterior to the uterus (Sohoni 2014).

Tip: If you have trouble viewing the ovary, try directing the endocavitary probe more posteriorly.

An ovary can be identified on transvaginal ultrasound by the following characteristics:

  • Posterior and lateral to uterus
  • Typically measures 2-3 cm in diameter
  • Less echogenic than surrounding tissue
  • Static (compared to surrounding bowel)
  • Anechoic follicular structures
Normal Ovary Transvaginal Ultrasound Pelvic
Normal ovary with follicle/cyst; transvaginal ultrasound

Step 4: Disinfect Endocavitary Probe

When you complete your transvaginal ultrasound exam it is imperative that you disinfect the probe properly using your hospital approved process.

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