fFN (Fetal Fibronectin) Test

Understanding Test Results

Once you get tested you may be wondering what the result could mean for you and your baby. Whether the test result is positive or negative, by getting the test you are gaining important knowledge that can help you and your doctor better manage your pregnancy.


If your test result was negative, you can be 99.2% assured that you won't deliver in the next two weeks.1 Your doctor may want to monitor your fetal fibronectin test result at your next visit.

If your test result was positive, listen to your body! Knowing that you may be more likely to have a preterm birth gives you the chance to create an action plan with your doctor, which may include bed rest or medications.


  • 1. Peaceman AM, Andrews WW, Thorp JM, et al. Fetal fibronectin as a predictor of preterm birth in patients with symptoms: A multicenter trial. Am J Obstet Gynecol. 1997;177:13-18.


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