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Related Experiment Videos

Plasma fibronectin concentrations during normal term labor.

K Brady1, P Duff, M K Yancey

  • 1Division of Maternal-Fetal Medicine, Madigan Army Medical Center, Tacoma, Washington.

Obstetrics and Gynecology
|April 1, 1990
PubMed
Summary
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Plasma fibronectin levels are elevated in pregnant women compared to non-pregnant individuals. These fibronectin concentrations remain stable throughout uncomplicated labor, indicating consistent levels during childbirth.

Area of Science:

  • Biochemistry
  • Obstetrics
  • Immunology

Background:

  • Fibronectin is a crucial glycoprotein involved in cell adhesion and tissue repair.
  • Plasma fibronectin levels can change during physiological states like pregnancy.

Purpose of the Study:

  • To measure plasma fibronectin concentrations in pregnant women during labor.
  • To compare these levels with those in non-pregnant women.
  • To assess fibronectin stability during uncomplicated term labor.

Main Methods:

  • Plasma fibronectin was quantified using a rapid immunoturbidimetric assay.
  • 30 normal parturients in early labor and at delivery were studied.
  • Control group consisted of 30 healthy non-pregnant women.

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Main Results:

  • Mean plasma fibronectin in early labor: 400 ± 104 µg/mL.
  • Mean plasma fibronectin at delivery: 410 ± 147 µg/mL.
  • Both values were significantly higher than controls (283 ± 81 µg/mL, P < .0001).

Conclusions:

  • Plasma fibronectin concentrations are elevated in pregnant women.
  • Fibronectin levels remain relatively constant during uncomplicated term labor.