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