A member asked:

I am 32 weeks pregnant and i wanted to know how accurate a fetal fibronectin test was and if there was a physical way to know if your water breaks?

A doctor has provided 1 answer
Dr. Jane Van Dis answered

Specializes in Obstetrics and Gynecology

Fetal Fibronectin is very accurate when the test is negative. At 32 weeks, if FFN is negative and cervical length is > 3.5cm then the chances of preterm delivery is 7%. Did your doctor measure your cervical length as well? If cervical length is 2.6-3.5 and FFN negative then chance of preterm delivery is 13%. Amnisure is a great test to rule out if your water has broken, or nitrazine with fern

Answered Nov 7, 2014

3.7k views

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