The iGFBP-1 Test Cassette (Vaginal Secretion) is a based on fluorescence immunoassay for the quantitative detection of iGFBP-1 in vaginal secretions during pregnancy, which is a major protein marker of the amniotic fluid in a vaginal secretion sample. The test is intended for professional use to help diagnose the rupture of fetal membranes (ROM) in pregnant women.