Negative.: Feal fibronectin is a protein that should not be detected at the cervix - unless labor/delivery is impending. Negative ffn has been used to reassure women and obstetricians that delivery is not likely within a week in cases of preterm labor. Most mfm experts doubt its clinical usefulness, as most of the time it is the maternal cervical examination and not the ffn that dictates medical management.
Answered 12/9/2013
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