Journal
PRENATAL DIAGNOSIS
Volume 30, Issue 11, Pages 1079-1085Publisher
WILEY
DOI: 10.1002/pd.2614
Keywords
matrix metalloproteinase-8; preterm delivery; PPROM
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Funding
- Finnish Funding Agency for Technology and Innovation (Tekes) [1131/31/04]
- Helsinki University Hospital
- Paolo Foundation
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Objective To evaluate whether matrix metalloproteinase 8 (MMP 8) concentrations in cervical fluid in early and mid pregnancy are associated with subsequent preterm delivery (PTD) preceded by premature preterm rupture of membranes (PPROMs) or preterm labour (PTL) with intact membranes Methods Cervical swab samples were collected from 5180 women in early and mid pregnancy MMP-8 was determined by immunofluorometric assay (IFMA) The outcome measure was spontaneous PTD at <37 weeks gestation Results The overall distribution and the median cervical fluid MMP-8 concentrations in early and mid pregnancy did not differ in women with term delivery and those with subsequent PTD However cervical fluid MMP 8 levels were lower in mid pregnancy in women with PTD preceded by PPROM at <37 weeks as compared with women who delivered at term and women who had PTD initiated by spontaneous onset of labour (p = 0 016 and p = 0023, respectively) Conclusion Our data suggest that molecular mechanisms underlying PTL and PPROM differ and MMP-8 in cervical fluid may reflect different functions of this protease Due to remarkable overlapping of cervical fluid MMP-8 values this molecule may not have clinical applicability as a biomarker in cervical fluid at least among asymptomatic women in early and mid pregnancy Copyright (C) 2010 John Wiley & Sons Ltd
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