HealthcheX® fFN is an immunochromatographic rapid test that can detect fFN at 50ng/mL and above, with a high sensitivity and specificity. It can be performed by a vaginal swab to estimate the risk of preterm labour (PTL) by measuring the fFN in vaginal fluid.
- Tests can be read in 10 minutes
- No refrigeration required
- Can be used almost anywhere to detect if preterm delivery is likely to occur in pregnant women between 24 and 34 weeks gestation
- Relative Sensitivity: 98.1% (95%Cl:*93.2%-99.8%)
- Relative Specificity: 98.7% (95%Cl:*95.3%-99.8%)
- Overall Accuracy: 98.4% (95%Cl:*96.0%-99.6%)
*Confidence Intervals
Get more information from our BHR Biosynex pages

Providing Point-of-care Solutions that meet the needs of a changing NHS Founded in 1990 as BHR Pharmaceuticals Ltd, BHR BIOSYNEX is a market leader in the provision of point-of-care diagnostics solutions. We specialise in sourcing advanced and progressive technology from around the world and deliver these innovative products to our customers in the UK &…