OtherMedical Practice

Vasa Previa Diagnosis and Management

Andre F. Lijoi and Joanna Brady
The Journal of the American Board of Family Practice November 2003, 16 (6) 543-548; DOI: https://doi.org/10.3122/jabfm.16.6.543

Article Figures & Data

Figures

  • Figure 1.
    Figure 1.

    Fetal heart rate tracing from the patient described which shows the rapid development of fetal bradycardia after AROM and subsequent vaginal bleeding.

  • Figure 2.
    Figure 2.

    Placenta demonstrating bilobed structure, marginal insertion of umbilical cord, and partial velamentous insertions of cord (fetal vessels traversing membranes to reach smaller placental lobe on right). (Reprinted from Cunningham FG, et al. editors. Williams obstetrics. 21st ed. New York: McGraw-Hill; 2001. p. 828. Copyright © 2001 McGraw-Hill Companies. Reproduced with permission.)

Tables

  • Table 1.

    Differential Diagnosis of Vasa Previa Suspected on Ultrasound

    Chorioamniotic membrane separation
    Normal cord loop
    Marginal placental vascular sinus
    Amniotic band
  • Table 2.

    Risk Factors for Vasa Previa

    Bilobed and succenturiate placentas
    Low-lying placentas
    Multiple pregnancies
    Pregnancies resulting from IVF
    Marginal insertion of the cord
    Velamentous insertion of the cord
    Palpable vessel or a suspected amniotic band is felt on vaginal exam
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