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Pregnant After PROM (PAP) Guidelines Testing and monitoring fFN (fetal fibronectin) test Fetal fibronectin (fFN) is a protein produced in pregnancy that functions as a "glue" attaching the amniotic sac to the uterine lining. The fFN test measures the amount of fetal fibronectin in vaginal secretions (performed like a pap smear). A determination that the fFN "glue" is disintegrating may be a sign that a woman is at risk for preterm delivery, even if she is otherwise asymptomatic. The fFN test is most useful in ruling out preterm delivery. In other words, a negative fFN test is a reliable predictor that delivery will not occur in the next 2 weeks, but a positive fFN test does not necessarily indicate that preterm delivery is imminent. Most health care practitioners will not order an fFN test before 22 weeks since it is normal for there to be some fFN in the vaginal fluids up until then. If you are asymptomatic, your practitioner may not order repeat testing. Also, your health insurance may not cover initial or repeat testing if you are not showing any other signs of preterm delivery. For more information about the fFN test, see www.ffntest.com. Next page >>Article by Kay Squires & Holly Norman, january 2005 © 1998-2024 Inkan, The PROM Page
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