Any woman in suspected preterm labour who meets the following criteria:
1. Between 22 and 34 weeks gestation
2. Plan to give steroids and tocolysis
3. Membranes are not thought to be ruptured
Cervico-vaginal specimen extracted into a supplied buffer.
Cytyc Corporation Specimen Collection Kit.
Samples should be analysed immediately.
Samples that are not tested within 8 hours of collection must be refrigerated at 2 8C and assayed within 3 days of collection.
A result is produced within 20 minutes.
The test is interpreted according to Labour Ward guidelines.
Testing is contra-indicated in the following situations: ruptured membranes, >3 cm dilated, cervical cerclage in situ, moderate or large vaginal bleed, placenta previa, multiple pregnancy or sexual intercourse in the last 24 hours
Time Limit for Additional Tests
If symptoms persist, and treatment or transfer is still being contemplated, the test can be repeated after 24 hours.
The test should only be carried out by a trained member of staff