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Journal of the Society for Gynecologic Investigation
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Increased Umbilical Cellular Fibronectin Concentrations Are Associated With a Decreased Prevalence of Growth Restriction in Preeclampsia

Carol H. Gilmour, MD

Departments of Pediatrics and Obstetrics, Gynecology and Reproductive Sciences, University of Pittsburgh; Magee-Womens Research Institute, Pittsburgh, Pennsylvania; cgilmour{at}mail.magee.edu

Thelma E. Patrick, PhD

James M. Roberts, MD

Departments of Pediatrics and Obstetrics, Gynecology and Reproductive Sciences, University of Pittsburgh; Magee-Womens Research Institute, Pittsburgh, Pennsylvania

Objective: Cellular fibronectin (cFN), a marker of endothelial activation, is elevated in maternal and cord blood in preeclampsia. We tested whether maternal or fetal cFN is related to fetal growth restriction in preeclampsia, in the context of gestational age at delivery.

Methods: Cellular fibronectin was measured in maternal and cord blood of 29 preeclamptic women and their infants delivered at Magee-Womens Hospital at 25-41 weeks of gestation. Relationships amog maternal and cord cFN, birth weight, birth weight percentile, and ponderal index were evaluated using Pearson correlation and regression analyses controlled for gestational age.

Results: Cord cFN was not significantly related to maternal cFN (r = -.34, P = .08) or gestational age (r = -.32, P = .09). The relationship of maternal cFN to each index of infant size was not significant. By contrast, higher cord cFN predicted higher birth weight, birth weight percentile, and ponderal index (P < .05).

Conclusion: Elevated maternal and cord cFN concentrations have been reported in pregnancy complicated by preeclampsia. This study assessed the relationship among maternal cFN, cord cFN, and indices of fetal growth in preeclampsia. Elevated cord cFN was associated with measures of better fetal growth.

Key Words: Preeclampsia • cellular fibronectin • endothelial activation • fetal growth • intrauterine growth restriction

Journal of the Society for Gynecologic Investigation, Vol. 6, No. 5, 264-267 (1999)
DOI: 10.1177/107155769900600507
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