fFN
Formal name: Fetal fibronectin
At a Glance
Why Get Tested?
To help evaluate a pregnant woman's risk of preterm delivery
When to Get Tested?
When you are 22 to 35 weeks pregnant and are having signs or symptoms of premature labor; sometimes if you are at high risk, such as if you have had a previous preterm delivery or have a short cervix
Sample Required?
A cervical or vaginal fluid sample
Test Preparation Needed?
None, but to reduce the chance of a false result, avoid sexual intercourse for 24 hours prior to sample collection.
