vasa previa


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va·sa pre·vi·a

umbilical vessels presenting in advance of the fetal head, usually traversing the membranes and crossing the internal uterine os.

va·sa pre·vi·a

(vā'să prē'vē-ă)
Umbilical vessels presenting in advance of the fetal head, usually traversing the membranes and crossing the internal cervical os.

vasa previa

, vasa praevia
The blood vessels of the umbilical cord presenting before the fetus.
See also: vasa
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References in periodicals archive ?
During pregnancy, blood loss mainly occurs due to antepartum hemorrhage such as placenta previa, placental abruption, and vasa previa which may be the result of chronic hypertension, multiparity, multiple gestations, older age, and previous CS.
Once UCEA occurs, corresponding measures should be taken to solve the problem, for example, pregnant women, who are diagnosed as velamentous umbilical cord entry, or combined with vasa previa through CDUS, can choose cesarean delivery.
Sogc clinical practice guideline: guidelines for the management of vasa previa.
5] In singleton pregnancies, the incidence of placental complications such as placental abruption, vasa previa and retained placenta were observed to be associated with the presence of abnormally shaped placentae.
Vasa previa, case presentation from a referral center in Envigado, Colombia, and review of the literature
Rebecca, from Larkhall, Lanarkshire, was given just 12 hours to live when she was born with a rare birth disorder, vasa previa.
Safer and more accurate than manual evaluation or translabial ultrasound, transvaginal ultrasound is "uniquely suited" to determine the management of placenta previa, placenta accreta, and vasa previa.
INTRODUCTION: Vasa Previa is an uncommon variant of placental anatomy.
The baby did not survive, and it was determined the mother suffered from vasa previa.
ULTRASONOGRAPHY REVEALED that the patient probably had a vasa previa.
Ultrasonography of placenta previa at the third trimester of pregnancy: research for signs of placenta accreta/percreta and vasa previa.