Abstract
Objective: To determine if labor activates the fetal fibrinolyric system. Methods: A total of 59 umbilical venous blood samples were collecting following vaginal delivery at term (n = 20), cesarean delivery following labor at term (n = 12), vaginal delivery before term (n = 18), and cesarean delivery without labor (n = 9). D-dimer concentrations, a sensitive marker of fibrinolysis, were measured by enzyme-linked immunosorbent assay, and compared between groups by Kruskel-Wallis and Mann Whitney U tests, with significance defined as P < .05. Results: There were no significant differences in median D-dimer concentrations between newborns delivered vaginally or by cesarean after term labor or preterm labor. There were significant differences in median umbilical venous D-dimer concentrations in subjects delivered vaginally or by cesarean after term or preterm labor compared with term subjects without labor delivered by cesarean (427, 773, and 326 versus 87 ng/mL, P = .01). Conclusion: Elevation of umbilical plasma D-dimer concentrations in laboring patients suggests activation of fetal fibrinolysis before delivery.
| Original language | American English |
|---|---|
| Pages (from-to) | 184-186 |
| Number of pages | 3 |
| Journal | Obstetrics and gynecology |
| Volume | 92 |
| Issue number | 2 |
| DOIs | |
| State | Published - Aug 1998 |
| Externally published | Yes |
ASJC Scopus subject areas
- Obstetrics and Gynecology
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