Term
| What are the requirements for fFN testing to be accurate? (membranes, dilitation, GA) |
|
Definition
intact membranes
dilitation <3 cm
GA 22.0-34.6 weeks (best 26-34) |
|
|
Term
| Where does sample collection take place, and for how long? |
|
Definition
| posterior fornix or external cervical os for 10 seconds |
|
|
Term
| What can interfere with accurate results? |
|
Definition
| intercourse within 24 hours, cervical manipulation, medication or lubrication prior to sampling, vaginal bleeding |
|
|
Term
| Symptomatic women: neg/pos predictive value within 7 days |
|
Definition
neg: 99.5% (99.2% within 14 days)
pos: 29% |
|
|
Term
| combine with ultrasound for cervical length? |
|
Definition
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