Obstetrics Book

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Vaginal Fluid Ferning

Aka: Vaginal Fluid Ferning, Ferning
  1. See Also
    1. Premature Rupture of Membranes
    2. Vaginal Fluid pH (Nitrazine)
    3. Vaginal Pooling
  2. Indications
    1. Evaluation for Premature Rupture of Membranes
  3. Technique
    1. Obtain fluid for exam (usually after Vaginal Pooling)
    2. Place sample on glass slide
    3. Allow sample to air dry for 10 minutes
  4. Interpretation
    1. Slide shows Ferning pattern under microscopy
  5. Efficacy
    1. Accuracy for amniotic fluid: 84 to 100%
    2. Test Sensitivity: 100% when allowed to dry 10 minutes
  6. Differential Diagnosis: False positive for Ferning
    1. Cervical Mucus
  7. References
    1. Bennett (1993) Am J Perinatol 10(2):101-4

Cervical mucous arborization (C0334212)

Concepts Organ or Tissue Function (T042)
SnomedCT 27890004
English ferning, Cervical mucous arborization, Ferning, Cervical mucous arborisation, Cervical mucous arborization (morphologic abnormality)
Spanish arborización del moco cervical (anomalía morfológica), arborización del moco cervical, aspecto en helecho del moco cervical
Sources
Derived from the NIH UMLS (Unified Medical Language System)


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